Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling
Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hard...
Ausführliche Beschreibung
Autor*in: |
Chen, Xiang [verfasserIn] Chen, Han [verfasserIn] Ma, Siming [verfasserIn] Chen, Yanchi [verfasserIn] Dai, Jing [verfasserIn] Bréchet, Yves [verfasserIn] Ji, Gang [verfasserIn] Zhong, Shengyi [verfasserIn] Wang, Haowei [verfasserIn] Chen, Zhe [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: International journal of plasticity - New York, NY : Pergamon Press, 1985, 172 |
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Übergeordnetes Werk: |
volume:172 |
DOI / URN: |
10.1016/j.ijplas.2023.103852 |
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Katalog-ID: |
ELV066478693 |
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245 | 1 | 0 | |a Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling |
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520 | |a Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. | ||
650 | 4 | |a Flow stress | |
650 | 4 | |a Work hardening | |
650 | 4 | |a Precipitates | |
650 | 4 | |a Dislocations | |
650 | 4 | |a Modeling | |
700 | 1 | |a Chen, Han |e verfasserin |4 aut | |
700 | 1 | |a Ma, Siming |e verfasserin |4 aut | |
700 | 1 | |a Chen, Yanchi |e verfasserin |4 aut | |
700 | 1 | |a Dai, Jing |e verfasserin |4 aut | |
700 | 1 | |a Bréchet, Yves |e verfasserin |4 aut | |
700 | 1 | |a Ji, Gang |e verfasserin |4 aut | |
700 | 1 | |a Zhong, Shengyi |e verfasserin |0 (orcid)0000-0003-4685-8283 |4 aut | |
700 | 1 | |a Wang, Haowei |e verfasserin |4 aut | |
700 | 1 | |a Chen, Zhe |e verfasserin |0 (orcid)0000-0003-3044-545X |4 aut | |
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10.1016/j.ijplas.2023.103852 doi (DE-627)ELV066478693 (ELSEVIER)S0749-6419(23)00336-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl Chen, Xiang verfasserin aut Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. Flow stress Work hardening Precipitates Dislocations Modeling Chen, Han verfasserin aut Ma, Siming verfasserin aut Chen, Yanchi verfasserin aut Dai, Jing verfasserin aut Bréchet, Yves verfasserin aut Ji, Gang verfasserin aut Zhong, Shengyi verfasserin (orcid)0000-0003-4685-8283 aut Wang, Haowei verfasserin aut Chen, Zhe verfasserin (orcid)0000-0003-3044-545X aut Enthalten in International journal of plasticity New York, NY : Pergamon Press, 1985 172 Online-Ressource (DE-627)320503283 (DE-600)2012499-5 (DE-576)253762723 nnns volume:172 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ AR 172 |
spelling |
10.1016/j.ijplas.2023.103852 doi (DE-627)ELV066478693 (ELSEVIER)S0749-6419(23)00336-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl Chen, Xiang verfasserin aut Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. Flow stress Work hardening Precipitates Dislocations Modeling Chen, Han verfasserin aut Ma, Siming verfasserin aut Chen, Yanchi verfasserin aut Dai, Jing verfasserin aut Bréchet, Yves verfasserin aut Ji, Gang verfasserin aut Zhong, Shengyi verfasserin (orcid)0000-0003-4685-8283 aut Wang, Haowei verfasserin aut Chen, Zhe verfasserin (orcid)0000-0003-3044-545X aut Enthalten in International journal of plasticity New York, NY : Pergamon Press, 1985 172 Online-Ressource (DE-627)320503283 (DE-600)2012499-5 (DE-576)253762723 nnns volume:172 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ AR 172 |
allfields_unstemmed |
10.1016/j.ijplas.2023.103852 doi (DE-627)ELV066478693 (ELSEVIER)S0749-6419(23)00336-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl Chen, Xiang verfasserin aut Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. Flow stress Work hardening Precipitates Dislocations Modeling Chen, Han verfasserin aut Ma, Siming verfasserin aut Chen, Yanchi verfasserin aut Dai, Jing verfasserin aut Bréchet, Yves verfasserin aut Ji, Gang verfasserin aut Zhong, Shengyi verfasserin (orcid)0000-0003-4685-8283 aut Wang, Haowei verfasserin aut Chen, Zhe verfasserin (orcid)0000-0003-3044-545X aut Enthalten in International journal of plasticity New York, NY : Pergamon Press, 1985 172 Online-Ressource (DE-627)320503283 (DE-600)2012499-5 (DE-576)253762723 nnns volume:172 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ AR 172 |
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10.1016/j.ijplas.2023.103852 doi (DE-627)ELV066478693 (ELSEVIER)S0749-6419(23)00336-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl Chen, Xiang verfasserin aut Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. Flow stress Work hardening Precipitates Dislocations Modeling Chen, Han verfasserin aut Ma, Siming verfasserin aut Chen, Yanchi verfasserin aut Dai, Jing verfasserin aut Bréchet, Yves verfasserin aut Ji, Gang verfasserin aut Zhong, Shengyi verfasserin (orcid)0000-0003-4685-8283 aut Wang, Haowei verfasserin aut Chen, Zhe verfasserin (orcid)0000-0003-3044-545X aut Enthalten in International journal of plasticity New York, NY : Pergamon Press, 1985 172 Online-Ressource (DE-627)320503283 (DE-600)2012499-5 (DE-576)253762723 nnns volume:172 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ AR 172 |
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10.1016/j.ijplas.2023.103852 doi (DE-627)ELV066478693 (ELSEVIER)S0749-6419(23)00336-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl Chen, Xiang verfasserin aut Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. Flow stress Work hardening Precipitates Dislocations Modeling Chen, Han verfasserin aut Ma, Siming verfasserin aut Chen, Yanchi verfasserin aut Dai, Jing verfasserin aut Bréchet, Yves verfasserin aut Ji, Gang verfasserin aut Zhong, Shengyi verfasserin (orcid)0000-0003-4685-8283 aut Wang, Haowei verfasserin aut Chen, Zhe verfasserin (orcid)0000-0003-3044-545X aut Enthalten in International journal of plasticity New York, NY : Pergamon Press, 1985 172 Online-Ressource (DE-627)320503283 (DE-600)2012499-5 (DE-576)253762723 nnns volume:172 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ AR 172 |
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Chen, Xiang ddc 530 bkl 50.31 bkl 51.32 misc Flow stress misc Work hardening misc Precipitates misc Dislocations misc Modeling Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling |
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insights into flow stress and work hardening behaviors of a precipitation hardening almgsczr alloy: experiments and modeling |
title_auth |
Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling |
abstract |
Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. |
abstractGer |
Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. |
abstract_unstemmed |
Flow stress and work hardening behaviors, as two important aspects of mechanical behaviors, have been studied extensively and their interpretation for the case of pure metals via dislocation theory is well established. The introduction of precipitates inevitably affects the flow stress and work hardening rate, since the precipitates can evidently change the dislocation behaviors, both their gliding facilities and their storage mechanisms. Thus, different precipitate-dislocation interaction modes (i.e. shearing and bypassing mechanisms) would lead to different dislocation behaviors and resultant different flow stress and work hardening behaviors. In this study, we investigate the influence of shearable, non-shearable and mixed shearable/non-shearable precipitates on flow stress and work hardening behaviors in the case of AlMgScZr alloys, where precipitates and solid solution can be decoupled, based on experiments and a modified dislocation-based model. We show that, the introduction of shearable precipitates and shearable/non-shearable transition have important effects on flow stress and work hardening behaviors. By quantitatively characterizing different precipitate-dislocation interactions and the evolution of dislocation density during the deformation, the intrinsic influencing mechanisms of precipitates on flow stress and work hardening behaviors are demonstrated. |
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Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling |
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|
score |
7.401102 |