Forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading
The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Micr...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhu, Zhicheng [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Generation of 3X FLAG-tagged human embryonic stem cell (hESC) line to study WNT-induced β-catenin DNA interactions (HVRDe009-A-2) - Cutts, Joshua ELSEVIER, 2021, Amsterdam |
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| Übergeordnetes Werk: |
volume:839 ; year:2022 ; day:6 ; month:04 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.msea.2022.142872 |
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ELV057039402 |
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| 245 | 1 | 0 | |a Forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading |
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| 520 | |a The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. | ||
| 520 | |a The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. | ||
| 650 | 7 | |a Adiabatic shear band |2 Elsevier | |
| 650 | 7 | |a Forced shear deformation |2 Elsevier | |
| 650 | 7 | |a Pure titanium |2 Elsevier | |
| 650 | 7 | |a Twinning |2 Elsevier | |
| 650 | 7 | |a Dynamic recrystallization |2 Elsevier | |
| 700 | 1 | |a Chen, Zhiyong |4 oth | |
| 700 | 1 | |a Wang, Renke |4 oth | |
| 700 | 1 | |a Liu, Chuming |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Cutts, Joshua ELSEVIER |t Generation of 3X FLAG-tagged human embryonic stem cell (hESC) line to study WNT-induced β-catenin DNA interactions (HVRDe009-A-2) |d 2021 |g Amsterdam |w (DE-627)ELV007117167 |
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10.1016/j.msea.2022.142872 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001760.pica (DE-627)ELV057039402 (ELSEVIER)S0921-5093(22)00280-5 DE-627 ger DE-627 rakwb eng 570 VZ Zhu, Zhicheng verfasserin aut Forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. Adiabatic shear band Elsevier Forced shear deformation Elsevier Pure titanium Elsevier Twinning Elsevier Dynamic recrystallization Elsevier Chen, Zhiyong oth Wang, Renke oth Liu, Chuming oth Enthalten in Elsevier Cutts, Joshua ELSEVIER Generation of 3X FLAG-tagged human embryonic stem cell (hESC) line to study WNT-induced β-catenin DNA interactions (HVRDe009-A-2) 2021 Amsterdam (DE-627)ELV007117167 volume:839 year:2022 day:6 month:04 pages:0 https://doi.org/10.1016/j.msea.2022.142872 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 839 2022 6 0406 0 |
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10.1016/j.msea.2022.142872 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001760.pica (DE-627)ELV057039402 (ELSEVIER)S0921-5093(22)00280-5 DE-627 ger DE-627 rakwb eng 570 VZ Zhu, Zhicheng verfasserin aut Forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. Adiabatic shear band Elsevier Forced shear deformation Elsevier Pure titanium Elsevier Twinning Elsevier Dynamic recrystallization Elsevier Chen, Zhiyong oth Wang, Renke oth Liu, Chuming oth Enthalten in Elsevier Cutts, Joshua ELSEVIER Generation of 3X FLAG-tagged human embryonic stem cell (hESC) line to study WNT-induced β-catenin DNA interactions (HVRDe009-A-2) 2021 Amsterdam (DE-627)ELV007117167 volume:839 year:2022 day:6 month:04 pages:0 https://doi.org/10.1016/j.msea.2022.142872 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 839 2022 6 0406 0 |
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10.1016/j.msea.2022.142872 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001760.pica (DE-627)ELV057039402 (ELSEVIER)S0921-5093(22)00280-5 DE-627 ger DE-627 rakwb eng 570 VZ Zhu, Zhicheng verfasserin aut Forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. Adiabatic shear band Elsevier Forced shear deformation Elsevier Pure titanium Elsevier Twinning Elsevier Dynamic recrystallization Elsevier Chen, Zhiyong oth Wang, Renke oth Liu, Chuming oth Enthalten in Elsevier Cutts, Joshua ELSEVIER Generation of 3X FLAG-tagged human embryonic stem cell (hESC) line to study WNT-induced β-catenin DNA interactions (HVRDe009-A-2) 2021 Amsterdam (DE-627)ELV007117167 volume:839 year:2022 day:6 month:04 pages:0 https://doi.org/10.1016/j.msea.2022.142872 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 839 2022 6 0406 0 |
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10.1016/j.msea.2022.142872 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001760.pica (DE-627)ELV057039402 (ELSEVIER)S0921-5093(22)00280-5 DE-627 ger DE-627 rakwb eng 570 VZ Zhu, Zhicheng verfasserin aut Forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. Adiabatic shear band Elsevier Forced shear deformation Elsevier Pure titanium Elsevier Twinning Elsevier Dynamic recrystallization Elsevier Chen, Zhiyong oth Wang, Renke oth Liu, Chuming oth Enthalten in Elsevier Cutts, Joshua ELSEVIER Generation of 3X FLAG-tagged human embryonic stem cell (hESC) line to study WNT-induced β-catenin DNA interactions (HVRDe009-A-2) 2021 Amsterdam (DE-627)ELV007117167 volume:839 year:2022 day:6 month:04 pages:0 https://doi.org/10.1016/j.msea.2022.142872 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 839 2022 6 0406 0 |
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10.1016/j.msea.2022.142872 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001760.pica (DE-627)ELV057039402 (ELSEVIER)S0921-5093(22)00280-5 DE-627 ger DE-627 rakwb eng 570 VZ Zhu, Zhicheng verfasserin aut Forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. Adiabatic shear band Elsevier Forced shear deformation Elsevier Pure titanium Elsevier Twinning Elsevier Dynamic recrystallization Elsevier Chen, Zhiyong oth Wang, Renke oth Liu, Chuming oth Enthalten in Elsevier Cutts, Joshua ELSEVIER Generation of 3X FLAG-tagged human embryonic stem cell (hESC) line to study WNT-induced β-catenin DNA interactions (HVRDe009-A-2) 2021 Amsterdam (DE-627)ELV007117167 volume:839 year:2022 day:6 month:04 pages:0 https://doi.org/10.1016/j.msea.2022.142872 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 839 2022 6 0406 0 |
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Enthalten in Generation of 3X FLAG-tagged human embryonic stem cell (hESC) line to study WNT-induced β-catenin DNA interactions (HVRDe009-A-2) Amsterdam volume:839 year:2022 day:6 month:04 pages:0 |
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forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading |
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Forced shear deformation behaviors of annealed pure titanium under quasi-static and dynamic loading |
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The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. |
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The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. |
| abstract_unstemmed |
The mechanical behavior and microstructure characteristics of pure titanium with hat-shaped specimens compressed under quasi-static and dynamic loading were investigated. Results show that higher yield stress and peak stress are observed in dynamic specimen as compared to quasi-static specimen. Microstructure characterization reveals that a wide shear localization region is formed in quasi-static specimen, mainly composed of narrow elongated structures identified as resulting from the multiple generations of twins and subsequently subdivision and elongation along the shear direction, while an ASB is appeared in dynamic specimen, consisting of ultrafine equiaxed grains regarded as the result of rotational dynamic recrystallization of subgrains. The RDR mechanism is verified by thermodynamic and kinetic calculations. Three types of primary twins { 10 1 ‾ 2 } , { 11 2 ‾ 2 } and { 11 2 ‾ 1 } and multiple generations of twins are observed in both specimens. The proportion of { 11 2 ‾ 1 } extension twins increases significantly in dynamic specimen and { 10 1 ‾ 1 } contraction twins are detected within the ASB. The microhardness of shear localization region in quasi-static specimen and ASB in dynamic specimen is higher than that of other regions due to the strain hardening and ultrafine-grained strengthening, respectively. Microtexture analysis reveals that the strong microtexture induced by twinning that direction of the grains is ∼35° away from the local shear plane normal forms in the shear localization region of quasi-static specimen, while different microtexture that the direction and the { 10 1 ‾ 0 } plane of the grains parallel to the local shear direction and shear plane respectively, appears in the ASB of dynamic specimen. |
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