Fabrication and mechanical properties of high purity of Cr
The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target...
Ausführliche Beschreibung
Autor*in: |
Liu, Jingzhou [verfasserIn] Zuo, Xiao [verfasserIn] Wang, Zhenyu [verfasserIn] Wang, Li [verfasserIn] Wu, Xiaochun [verfasserIn] Ke, Peiling [verfasserIn] Wang, Aiying [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2018 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Journal of alloys and compounds - Lausanne : Elsevier, 1991, 753, Seite 11-17 |
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Übergeordnetes Werk: |
volume:753 ; pages:11-17 |
DOI / URN: |
10.1016/j.jallcom.2018.04.100 |
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Katalog-ID: |
ELV00368993X |
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520 | |a The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. | ||
650 | 4 | |a Cr-Al-C coating | |
650 | 4 | |a Al content | |
650 | 4 | |a MAX phase | |
650 | 4 | |a Phase structure | |
650 | 4 | |a Mechanical property | |
700 | 1 | |a Zuo, Xiao |e verfasserin |0 (orcid)0000-0002-3215-208X |4 aut | |
700 | 1 | |a Wang, Zhenyu |e verfasserin |4 aut | |
700 | 1 | |a Wang, Li |e verfasserin |4 aut | |
700 | 1 | |a Wu, Xiaochun |e verfasserin |4 aut | |
700 | 1 | |a Ke, Peiling |e verfasserin |4 aut | |
700 | 1 | |a Wang, Aiying |e verfasserin |4 aut | |
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2018 |
allfields |
10.1016/j.jallcom.2018.04.100 doi (DE-627)ELV00368993X (ELSEVIER)S0925-8388(18)31395-1 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Jingzhou verfasserin (orcid)0000-0003-1445-2684 aut Fabrication and mechanical properties of high purity of Cr 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. Cr-Al-C coating Al content MAX phase Phase structure Mechanical property Zuo, Xiao verfasserin (orcid)0000-0002-3215-208X aut Wang, Zhenyu verfasserin aut Wang, Li verfasserin aut Wu, Xiaochun verfasserin aut Ke, Peiling verfasserin aut Wang, Aiying verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 753, Seite 11-17 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:753 pages:11-17 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 753 11-17 |
spelling |
10.1016/j.jallcom.2018.04.100 doi (DE-627)ELV00368993X (ELSEVIER)S0925-8388(18)31395-1 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Jingzhou verfasserin (orcid)0000-0003-1445-2684 aut Fabrication and mechanical properties of high purity of Cr 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. Cr-Al-C coating Al content MAX phase Phase structure Mechanical property Zuo, Xiao verfasserin (orcid)0000-0002-3215-208X aut Wang, Zhenyu verfasserin aut Wang, Li verfasserin aut Wu, Xiaochun verfasserin aut Ke, Peiling verfasserin aut Wang, Aiying verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 753, Seite 11-17 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:753 pages:11-17 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 753 11-17 |
allfields_unstemmed |
10.1016/j.jallcom.2018.04.100 doi (DE-627)ELV00368993X (ELSEVIER)S0925-8388(18)31395-1 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Jingzhou verfasserin (orcid)0000-0003-1445-2684 aut Fabrication and mechanical properties of high purity of Cr 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. Cr-Al-C coating Al content MAX phase Phase structure Mechanical property Zuo, Xiao verfasserin (orcid)0000-0002-3215-208X aut Wang, Zhenyu verfasserin aut Wang, Li verfasserin aut Wu, Xiaochun verfasserin aut Ke, Peiling verfasserin aut Wang, Aiying verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 753, Seite 11-17 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:753 pages:11-17 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 753 11-17 |
allfieldsGer |
10.1016/j.jallcom.2018.04.100 doi (DE-627)ELV00368993X (ELSEVIER)S0925-8388(18)31395-1 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Jingzhou verfasserin (orcid)0000-0003-1445-2684 aut Fabrication and mechanical properties of high purity of Cr 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. Cr-Al-C coating Al content MAX phase Phase structure Mechanical property Zuo, Xiao verfasserin (orcid)0000-0002-3215-208X aut Wang, Zhenyu verfasserin aut Wang, Li verfasserin aut Wu, Xiaochun verfasserin aut Ke, Peiling verfasserin aut Wang, Aiying verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 753, Seite 11-17 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:753 pages:11-17 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 753 11-17 |
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10.1016/j.jallcom.2018.04.100 doi (DE-627)ELV00368993X (ELSEVIER)S0925-8388(18)31395-1 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Jingzhou verfasserin (orcid)0000-0003-1445-2684 aut Fabrication and mechanical properties of high purity of Cr 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. Cr-Al-C coating Al content MAX phase Phase structure Mechanical property Zuo, Xiao verfasserin (orcid)0000-0002-3215-208X aut Wang, Zhenyu verfasserin aut Wang, Li verfasserin aut Wu, Xiaochun verfasserin aut Ke, Peiling verfasserin aut Wang, Aiying verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 753, Seite 11-17 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:753 pages:11-17 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 753 11-17 |
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Liu, Jingzhou @@aut@@ Zuo, Xiao @@aut@@ Wang, Zhenyu @@aut@@ Wang, Li @@aut@@ Wu, Xiaochun @@aut@@ Ke, Peiling @@aut@@ Wang, Aiying @@aut@@ |
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670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Fabrication and mechanical properties of high purity of Cr Cr-Al-C coating Al content MAX phase Phase structure Mechanical property |
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fabrication and mechanical properties of high purity of cr |
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Fabrication and mechanical properties of high purity of Cr |
abstract |
The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. |
abstractGer |
The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. |
abstract_unstemmed |
The effect of Al content on phase structure and mechanical properties of vacuum annealed Cr-Al-C coatings was investigated. Cr-Al-C coatings were deposited by co-sputtering of Cr2Al and Al targets in optimized CH4/Ar atmosphere. The atomic content of Al was adjusted through the control of Al target current from 0.5 A to 3.0 A, thus Cr-Al-C coatings with different stoichiometric ratios were obtained. After 1.5 h thermal annealing at 750 °C in vacuum, Cr2AlC MAX phase was observed from the XRD measurements. The Rietveld refinement of XRD spectra results indicated that the annealed coatings were composed of Cr2AlC, Al8Cr5 and Cr7C3 phases with different amounts. With the increase of Al content, the hardness and modulus of the Cr2AlC MAX phase coatings varied from 10.17 to 19.00 GPa and 198.43 to 267.62 GPa, respectively, while the toughness suffered an obvious decline. HRTEM analysis demonstrated that the excess of Al content resulted in the formation of Al8Cr5 and Al segregation at grain boundaries, which led to the deterioration of mechanical properties. |
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