Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy
Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effe...
Ausführliche Beschreibung
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| Autor*in: |
Alekseeva, E. L. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Anmerkung: |
© Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. |
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| Übergeordnetes Werk: |
Enthalten in: Russian journal of non-ferrous metals - New York, NY : Allerton Press, 2007, 63(2022), 1 vom: Feb., Seite 63-70 |
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| Übergeordnetes Werk: |
volume:63 ; year:2022 ; number:1 ; month:02 ; pages:63-70 |
| Links: |
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| DOI / URN: |
10.3103/S1067821222010035 |
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| Katalog-ID: |
SPR050591959 |
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| 520 | |a Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. | ||
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| 700 | 1 | |a Lapechenkov, A. A. |4 aut | |
| 700 | 1 | |a Galata, L. |4 aut | |
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10.3103/S1067821222010035 doi (DE-627)SPR050591959 (SPR)S1067821222010035-e DE-627 ger DE-627 rakwb eng Alekseeva, E. L. verfasserin aut Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. Ermakov, B. S. aut Gyulikhandanov, E. L. aut Alkhimenko, A. A. aut Lapechenkov, A. A. aut Galata, L. aut Enthalten in Russian journal of non-ferrous metals New York, NY : Allerton Press, 2007 63(2022), 1 vom: Feb., Seite 63-70 (DE-627)531202909 (DE-600)2323641-3 1934-970X nnns volume:63 year:2022 number:1 month:02 pages:63-70 https://dx.doi.org/10.3103/S1067821222010035 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 63 2022 1 02 63-70 |
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10.3103/S1067821222010035 doi (DE-627)SPR050591959 (SPR)S1067821222010035-e DE-627 ger DE-627 rakwb eng Alekseeva, E. L. verfasserin aut Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. Ermakov, B. S. aut Gyulikhandanov, E. L. aut Alkhimenko, A. A. aut Lapechenkov, A. A. aut Galata, L. aut Enthalten in Russian journal of non-ferrous metals New York, NY : Allerton Press, 2007 63(2022), 1 vom: Feb., Seite 63-70 (DE-627)531202909 (DE-600)2323641-3 1934-970X nnns volume:63 year:2022 number:1 month:02 pages:63-70 https://dx.doi.org/10.3103/S1067821222010035 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 63 2022 1 02 63-70 |
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10.3103/S1067821222010035 doi (DE-627)SPR050591959 (SPR)S1067821222010035-e DE-627 ger DE-627 rakwb eng Alekseeva, E. L. verfasserin aut Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. Ermakov, B. S. aut Gyulikhandanov, E. L. aut Alkhimenko, A. A. aut Lapechenkov, A. A. aut Galata, L. aut Enthalten in Russian journal of non-ferrous metals New York, NY : Allerton Press, 2007 63(2022), 1 vom: Feb., Seite 63-70 (DE-627)531202909 (DE-600)2323641-3 1934-970X nnns volume:63 year:2022 number:1 month:02 pages:63-70 https://dx.doi.org/10.3103/S1067821222010035 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 63 2022 1 02 63-70 |
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10.3103/S1067821222010035 doi (DE-627)SPR050591959 (SPR)S1067821222010035-e DE-627 ger DE-627 rakwb eng Alekseeva, E. L. verfasserin aut Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. Ermakov, B. S. aut Gyulikhandanov, E. L. aut Alkhimenko, A. A. aut Lapechenkov, A. A. aut Galata, L. aut Enthalten in Russian journal of non-ferrous metals New York, NY : Allerton Press, 2007 63(2022), 1 vom: Feb., Seite 63-70 (DE-627)531202909 (DE-600)2323641-3 1934-970X nnns volume:63 year:2022 number:1 month:02 pages:63-70 https://dx.doi.org/10.3103/S1067821222010035 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 63 2022 1 02 63-70 |
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10.3103/S1067821222010035 doi (DE-627)SPR050591959 (SPR)S1067821222010035-e DE-627 ger DE-627 rakwb eng Alekseeva, E. L. verfasserin aut Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. Ermakov, B. S. aut Gyulikhandanov, E. L. aut Alkhimenko, A. A. aut Lapechenkov, A. A. aut Galata, L. aut Enthalten in Russian journal of non-ferrous metals New York, NY : Allerton Press, 2007 63(2022), 1 vom: Feb., Seite 63-70 (DE-627)531202909 (DE-600)2323641-3 1934-970X nnns volume:63 year:2022 number:1 month:02 pages:63-70 https://dx.doi.org/10.3103/S1067821222010035 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 63 2022 1 02 63-70 |
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Alekseeva, E. L. @@aut@@ Ermakov, B. S. @@aut@@ Gyulikhandanov, E. L. @@aut@@ Alkhimenko, A. A. @@aut@@ Lapechenkov, A. A. @@aut@@ Galata, L. @@aut@@ |
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ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ermakov, B. S.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Gyulikhandanov, E. L.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Alkhimenko, A. A.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lapechenkov, A. 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Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy |
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Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy |
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influence of heat treatment on the corrosive and strength properties of the ep718 dispersion-hardening nickel alloy |
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Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy |
| abstract |
Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. © Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. |
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Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. © Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. |
| abstract_unstemmed |
Abstract We investigate the influence of the heat treatment regimes on corrosion resistance and strength properties of precipitation-hardening EP718 nickel-based alloy initially developed for the aviation industry conditions and currently used in the oil and gas industry. Here considered is the effect of the hardening temperature (980–1130°С) and the holding time (1–2 h), as well as of the intermediate and final aging stages duration (4–20 h) at the temperatures of 780 and 650°С. We state that the strength and the corrosion properties of the EP718 alloy are governed by the hardening temperature. At its value of 980°C, the highest strength characteristics are achieved (the yield point being $ σ_{y} $ = 950 MPa) due to the higher grain score equal to 3.5, and to the presence of the various size inclusions (their volume fraction being 0.61%); yet, in that case, the corrosion rate reaches V = 5.88 g/($ m^{2} $ h). At the temperature of 1130°C, the best corrosion characteristics are observed (V = 2.04 g/($ m^{2} $ h)) due to the detrimental phase dissolution (the volume fraction of non-metallic inclusions being 0.47%); yet, the strength properties decrease ($ σ_{T} $ = 756 MPa) because of the lower grain score – 2.7. The ageing regime consisting of the intermediate stage with the holding at t = 780°С for 5 h and the final stage at 650°С, τ = 16 h, with cooling in air, leads to the maximal hardening: to the hardness increase up to 37.5–38.5 HRC. By means of the electrochemical studies we show that the ageing duration increase leads to a decrease in the passive state stability. © Allerton Press, Inc. 2022. ISSN 1067-8212, Russian Journal of Non-Ferrous Metals, 2022, Vol. 63, No. 1, pp. 63–70. © Allerton Press, Inc., 2022. Russian Text © The Author(s), 2021, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Tsvetnaya Metallurgiya, 2021, No. 6, pp. 31–39. |
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Influence of Heat Treatment on the Corrosive and Strength Properties of the EP718 Dispersion-Hardening Nickel Alloy |
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Ermakov, B. S. Gyulikhandanov, E. L. Alkhimenko, A. A. Lapechenkov, A. A. Galata, L. |
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Ermakov, B. S. Gyulikhandanov, E. L. Alkhimenko, A. A. Lapechenkov, A. A. Galata, L. |
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| score |
7.399768 |