Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations
In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Jiao, Ye [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Anmerkung: |
© The Author(s), under exclusive licence to The Materials Research Society 2022 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials research - Berlin : Springer, 1986, 37(2022), 9 vom: 29. Apr., Seite 1612-1625 |
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| Übergeordnetes Werk: |
volume:37 ; year:2022 ; number:9 ; day:29 ; month:04 ; pages:1612-1625 |
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| DOI / URN: |
10.1557/s43578-022-00556-8 |
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| Katalog-ID: |
SPR047228504 |
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| 245 | 1 | 0 | |a Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations |
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| 520 | |a In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane | ||
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| 650 | 4 | |a Nanovoid defects |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Dislocation slip |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Plastic deformation mechanism |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Dan, WenJiao |4 aut | |
| 700 | 1 | |a Xu, YongSheng |4 aut | |
| 700 | 1 | |a Zhang, WeiGang |4 aut | |
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10.1557/s43578-022-00556-8 doi (DE-627)SPR047228504 (SPR)s43578-022-00556-8-e DE-627 ger DE-627 rakwb eng Jiao, Ye verfasserin aut Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Materials Research Society 2022 In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane Molecular dynamics simulations (dpeaa)DE-He213 Twin boundary (dpeaa)DE-He213 Nanovoid defects (dpeaa)DE-He213 Dislocation slip (dpeaa)DE-He213 Plastic deformation mechanism (dpeaa)DE-He213 Dan, WenJiao aut Xu, YongSheng aut Zhang, WeiGang aut Enthalten in Journal of materials research Berlin : Springer, 1986 37(2022), 9 vom: 29. Apr., Seite 1612-1625 (DE-627)320527026 (DE-600)2015297-8 2044-5326 nnns volume:37 year:2022 number:9 day:29 month:04 pages:1612-1625 https://dx.doi.org/10.1557/s43578-022-00556-8 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_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 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_374 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_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 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_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 37 2022 9 29 04 1612-1625 |
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10.1557/s43578-022-00556-8 doi (DE-627)SPR047228504 (SPR)s43578-022-00556-8-e DE-627 ger DE-627 rakwb eng Jiao, Ye verfasserin aut Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Materials Research Society 2022 In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane Molecular dynamics simulations (dpeaa)DE-He213 Twin boundary (dpeaa)DE-He213 Nanovoid defects (dpeaa)DE-He213 Dislocation slip (dpeaa)DE-He213 Plastic deformation mechanism (dpeaa)DE-He213 Dan, WenJiao aut Xu, YongSheng aut Zhang, WeiGang aut Enthalten in Journal of materials research Berlin : Springer, 1986 37(2022), 9 vom: 29. Apr., Seite 1612-1625 (DE-627)320527026 (DE-600)2015297-8 2044-5326 nnns volume:37 year:2022 number:9 day:29 month:04 pages:1612-1625 https://dx.doi.org/10.1557/s43578-022-00556-8 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_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 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_374 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_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 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_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 37 2022 9 29 04 1612-1625 |
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10.1557/s43578-022-00556-8 doi (DE-627)SPR047228504 (SPR)s43578-022-00556-8-e DE-627 ger DE-627 rakwb eng Jiao, Ye verfasserin aut Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Materials Research Society 2022 In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane Molecular dynamics simulations (dpeaa)DE-He213 Twin boundary (dpeaa)DE-He213 Nanovoid defects (dpeaa)DE-He213 Dislocation slip (dpeaa)DE-He213 Plastic deformation mechanism (dpeaa)DE-He213 Dan, WenJiao aut Xu, YongSheng aut Zhang, WeiGang aut Enthalten in Journal of materials research Berlin : Springer, 1986 37(2022), 9 vom: 29. Apr., Seite 1612-1625 (DE-627)320527026 (DE-600)2015297-8 2044-5326 nnns volume:37 year:2022 number:9 day:29 month:04 pages:1612-1625 https://dx.doi.org/10.1557/s43578-022-00556-8 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_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 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_374 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_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 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_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 37 2022 9 29 04 1612-1625 |
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10.1557/s43578-022-00556-8 doi (DE-627)SPR047228504 (SPR)s43578-022-00556-8-e DE-627 ger DE-627 rakwb eng Jiao, Ye verfasserin aut Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Materials Research Society 2022 In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane Molecular dynamics simulations (dpeaa)DE-He213 Twin boundary (dpeaa)DE-He213 Nanovoid defects (dpeaa)DE-He213 Dislocation slip (dpeaa)DE-He213 Plastic deformation mechanism (dpeaa)DE-He213 Dan, WenJiao aut Xu, YongSheng aut Zhang, WeiGang aut Enthalten in Journal of materials research Berlin : Springer, 1986 37(2022), 9 vom: 29. Apr., Seite 1612-1625 (DE-627)320527026 (DE-600)2015297-8 2044-5326 nnns volume:37 year:2022 number:9 day:29 month:04 pages:1612-1625 https://dx.doi.org/10.1557/s43578-022-00556-8 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_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 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_374 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_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 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_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 37 2022 9 29 04 1612-1625 |
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10.1557/s43578-022-00556-8 doi (DE-627)SPR047228504 (SPR)s43578-022-00556-8-e DE-627 ger DE-627 rakwb eng Jiao, Ye verfasserin aut Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to The Materials Research Society 2022 In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane Molecular dynamics simulations (dpeaa)DE-He213 Twin boundary (dpeaa)DE-He213 Nanovoid defects (dpeaa)DE-He213 Dislocation slip (dpeaa)DE-He213 Plastic deformation mechanism (dpeaa)DE-He213 Dan, WenJiao aut Xu, YongSheng aut Zhang, WeiGang aut Enthalten in Journal of materials research Berlin : Springer, 1986 37(2022), 9 vom: 29. Apr., Seite 1612-1625 (DE-627)320527026 (DE-600)2015297-8 2044-5326 nnns volume:37 year:2022 number:9 day:29 month:04 pages:1612-1625 https://dx.doi.org/10.1557/s43578-022-00556-8 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_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 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_374 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_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 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_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 37 2022 9 29 04 1612-1625 |
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The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. 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Jiao, Ye |
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Jiao, Ye misc Molecular dynamics simulations misc Twin boundary misc Nanovoid defects misc Dislocation slip misc Plastic deformation mechanism Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations |
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Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations Molecular dynamics simulations (dpeaa)DE-He213 Twin boundary (dpeaa)DE-He213 Nanovoid defects (dpeaa)DE-He213 Dislocation slip (dpeaa)DE-He213 Plastic deformation mechanism (dpeaa)DE-He213 |
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roles of mn content and nanovoid defects in the plastic deformation mechanism of fe–mn twin crystals from molecular dynamics simulations |
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Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations |
| abstract |
In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane © The Author(s), under exclusive licence to The Materials Research Society 2022 |
| abstractGer |
In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane © The Author(s), under exclusive licence to The Materials Research Society 2022 |
| abstract_unstemmed |
In this study, the roles of alloying element Mn and nanovoid defects in the deformation behaviour of Fe–Mn twin crystals are investigated with molecular dynamics (MD) tensile test simulations. The results for the supercells with various Mn contents (5–30 at% Mn) show that Mn addition can reduce the elastic constant and improve the strength of twin crystals. In addition, with increasing Mn content, the plastic deformation mechanism transitions from martensitic transformation to dislocation slip. The mechanical properties of supercells containing 20 at% Mn, i.e. the elastic constant and critical stress of plastic deformation, decrease as the nanovoid diameter increases from 20 to 60 Å. The effect of twin boundaries (TBs) on plastic deformation is analysed in detail, revealing that TBs can effectively block the transmission of dislocations through twins, thereby improving the strength of the material. Graphical abstract Representative snapshots of the interactions between dislocations and TBs and the dislocation nucleation mechanism on the TB plane © The Author(s), under exclusive licence to The Materials Research Society 2022 |
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Roles of Mn content and nanovoid defects in the plastic deformation mechanism of Fe–Mn twin crystals from molecular dynamics simulations |
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https://dx.doi.org/10.1557/s43578-022-00556-8 |
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Dan, WenJiao Xu, YongSheng Zhang, WeiGang |
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| doi_str |
10.1557/s43578-022-00556-8 |
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2024-07-04T02:23:20.332Z |
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