Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy
Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps o...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Senkov, O.N. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2008 |
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| Schlagwörter: |
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| Anmerkung: |
© The Minerals, Metals & Materials Society and ASM International 2008 |
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| Übergeordnetes Werk: |
Enthalten in: Metallurgical and materials transactions - Boston : Springer, 1975, 39(2008), 5 vom: 07. März, Seite 1034-1053 |
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| Übergeordnetes Werk: |
volume:39 ; year:2008 ; number:5 ; day:07 ; month:03 ; pages:1034-1053 |
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| DOI / URN: |
10.1007/s11661-008-9485-6 |
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SPR021369135 |
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| 100 | 1 | |a Senkov, O.N. |e verfasserin |4 aut | |
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| 520 | |a Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. | ||
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| 700 | 1 | |a Senkova, S.V. |4 aut | |
| 700 | 1 | |a Shagiev, M.R. |4 aut | |
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10.1007/s11661-008-9485-6 doi (DE-627)SPR021369135 (SPR)s11661-008-9485-6-e DE-627 ger DE-627 rakwb eng Senkov, O.N. verfasserin aut Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2008 Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. Ultimate Tensile Strength (dpeaa)DE-He213 Aging Time (dpeaa)DE-He213 Natural Aging (dpeaa)DE-He213 Aged Sample (dpeaa)DE-He213 Artificial Aging (dpeaa)DE-He213 Senkova, S.V. aut Shagiev, M.R. aut Enthalten in Metallurgical and materials transactions Boston : Springer, 1975 39(2008), 5 vom: 07. März, Seite 1034-1053 (DE-627)325571996 (DE-600)2037517-7 1543-1940 nnns volume:39 year:2008 number:5 day:07 month:03 pages:1034-1053 https://dx.doi.org/10.1007/s11661-008-9485-6 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_101 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_266 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2086 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_2116 GBV_ILN_2118 GBV_ILN_2119 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_4012 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 39 2008 5 07 03 1034-1053 |
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10.1007/s11661-008-9485-6 doi (DE-627)SPR021369135 (SPR)s11661-008-9485-6-e DE-627 ger DE-627 rakwb eng Senkov, O.N. verfasserin aut Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2008 Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. Ultimate Tensile Strength (dpeaa)DE-He213 Aging Time (dpeaa)DE-He213 Natural Aging (dpeaa)DE-He213 Aged Sample (dpeaa)DE-He213 Artificial Aging (dpeaa)DE-He213 Senkova, S.V. aut Shagiev, M.R. aut Enthalten in Metallurgical and materials transactions Boston : Springer, 1975 39(2008), 5 vom: 07. März, Seite 1034-1053 (DE-627)325571996 (DE-600)2037517-7 1543-1940 nnns volume:39 year:2008 number:5 day:07 month:03 pages:1034-1053 https://dx.doi.org/10.1007/s11661-008-9485-6 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_101 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_266 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2086 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_2116 GBV_ILN_2118 GBV_ILN_2119 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_4012 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 39 2008 5 07 03 1034-1053 |
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10.1007/s11661-008-9485-6 doi (DE-627)SPR021369135 (SPR)s11661-008-9485-6-e DE-627 ger DE-627 rakwb eng Senkov, O.N. verfasserin aut Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2008 Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. Ultimate Tensile Strength (dpeaa)DE-He213 Aging Time (dpeaa)DE-He213 Natural Aging (dpeaa)DE-He213 Aged Sample (dpeaa)DE-He213 Artificial Aging (dpeaa)DE-He213 Senkova, S.V. aut Shagiev, M.R. aut Enthalten in Metallurgical and materials transactions Boston : Springer, 1975 39(2008), 5 vom: 07. März, Seite 1034-1053 (DE-627)325571996 (DE-600)2037517-7 1543-1940 nnns volume:39 year:2008 number:5 day:07 month:03 pages:1034-1053 https://dx.doi.org/10.1007/s11661-008-9485-6 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_101 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_266 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2086 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_2116 GBV_ILN_2118 GBV_ILN_2119 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_4012 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 39 2008 5 07 03 1034-1053 |
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10.1007/s11661-008-9485-6 doi (DE-627)SPR021369135 (SPR)s11661-008-9485-6-e DE-627 ger DE-627 rakwb eng Senkov, O.N. verfasserin aut Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2008 Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. Ultimate Tensile Strength (dpeaa)DE-He213 Aging Time (dpeaa)DE-He213 Natural Aging (dpeaa)DE-He213 Aged Sample (dpeaa)DE-He213 Artificial Aging (dpeaa)DE-He213 Senkova, S.V. aut Shagiev, M.R. aut Enthalten in Metallurgical and materials transactions Boston : Springer, 1975 39(2008), 5 vom: 07. März, Seite 1034-1053 (DE-627)325571996 (DE-600)2037517-7 1543-1940 nnns volume:39 year:2008 number:5 day:07 month:03 pages:1034-1053 https://dx.doi.org/10.1007/s11661-008-9485-6 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_101 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_266 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2086 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_2116 GBV_ILN_2118 GBV_ILN_2119 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_4012 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 39 2008 5 07 03 1034-1053 |
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10.1007/s11661-008-9485-6 doi (DE-627)SPR021369135 (SPR)s11661-008-9485-6-e DE-627 ger DE-627 rakwb eng Senkov, O.N. verfasserin aut Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Minerals, Metals & Materials Society and ASM International 2008 Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. Ultimate Tensile Strength (dpeaa)DE-He213 Aging Time (dpeaa)DE-He213 Natural Aging (dpeaa)DE-He213 Aged Sample (dpeaa)DE-He213 Artificial Aging (dpeaa)DE-He213 Senkova, S.V. aut Shagiev, M.R. aut Enthalten in Metallurgical and materials transactions Boston : Springer, 1975 39(2008), 5 vom: 07. März, Seite 1034-1053 (DE-627)325571996 (DE-600)2037517-7 1543-1940 nnns volume:39 year:2008 number:5 day:07 month:03 pages:1034-1053 https://dx.doi.org/10.1007/s11661-008-9485-6 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_101 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_266 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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2086 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_2116 GBV_ILN_2118 GBV_ILN_2119 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_4012 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 39 2008 5 07 03 1034-1053 |
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Senkov, O.N. @@aut@@ Senkova, S.V. @@aut@@ Shagiev, M.R. @@aut@@ |
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The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. 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Senkov, O.N. |
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Senkov, O.N. misc Ultimate Tensile Strength misc Aging Time misc Natural Aging misc Aged Sample misc Artificial Aging Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy |
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Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy Ultimate Tensile Strength (dpeaa)DE-He213 Aging Time (dpeaa)DE-He213 Natural Aging (dpeaa)DE-He213 Aged Sample (dpeaa)DE-He213 Artificial Aging (dpeaa)DE-He213 |
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Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy |
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Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy |
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effect of sc on aging kinetics in a direct chill cast al-zn-mg-cu alloy |
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Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy |
| abstract |
Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. © The Minerals, Metals & Materials Society and ASM International 2008 |
| abstractGer |
Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. © The Minerals, Metals & Materials Society and ASM International 2008 |
| abstract_unstemmed |
Abstract The effect of Sc additions on precipitation strengthening in a direct chill (DC) cast Al-Zn-Mg-Cu alloy was studied after natural and artificial aging. The microhardness, room temperature (RT) mechanical properties, and phase composition of the alloys were determined after different steps of aging. The strengthening mechanisms were discussed. It was shown that minor additions of Sc increased the strength of the Al-Zn-Mg-Cu alloy after casting and solution heat treatment, due to the precipitation of fine coherent $ Al_{3} $(Sc,Zr) particles. An analysis of the aging kinetics revealed that Sc had no effect on the natural aging, which was controlled by the formation and growth of Guinier–Preston (GP) I zones. On the other hand, the Sc additions accelerated the aging process at 120 °C and 150 °C within a period of time of the formation and growth of GP II zones and η′ particles. It was concluded that the presence of Sc accelerated the formation and growth of GP II zones in the Al-Zn-Mg-Cu alloys, which led to the earlier precipitation of the η′ phase. However, at longer aging times at 120 °C and 150 °C, the aging response of the Sc-containing alloys slowed down, due to faster coarsening of the η′ particles and their transformation into η particles. A model of the formation of vacancy-rich clusters (VRCs), precursors to GP zones, in the Al-Zn-Mg–based alloys was proposed. According to this model, the observed effects of Sc on aging are the result of the Sc-induced increase in the number density of the GP II clusters and the concentration of quenched-in solute-bound excess vacancies. © The Minerals, Metals & Materials Society and ASM International 2008 |
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| container_issue |
5 |
| title_short |
Effect of Sc on Aging Kinetics in a Direct Chill Cast Al-Zn-Mg-Cu Alloy |
| url |
https://dx.doi.org/10.1007/s11661-008-9485-6 |
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| author2 |
Senkova, S.V. Shagiev, M.R. |
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Senkova, S.V. Shagiev, M.R. |
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325571996 |
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| doi_str |
10.1007/s11661-008-9485-6 |
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2024-07-03T22:07:37.893Z |
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| score |
7.3999653 |