Characteristics of Twin Lamellar Structure in Magnesium Alloy during Room Temperature Dynamic Plastic Deformation
The microstructures of the as-rolled magnesium alloy subjected to dynamic plastic deformation along the rolling direction have been investigated. Mostly one { 101-2} twin variant or a twin variant pair is activated in a grain, leading to a parallel {101-2} twin lamellar structure. At the stage of tw...
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| Veröffentlicht in: | Journal of materials science & technology 2014, Vol.30 (1), p.41-46 |
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| creator | Lou, Chao Zhang, Xiyan Duan, Gaolin Tu, Jian Liu, Qing |
| description | The microstructures of the as-rolled magnesium alloy subjected to dynamic plastic deformation along the rolling direction have been investigated. Mostly one { 101-2} twin variant or a twin variant pair is activated in a grain, leading to a parallel {101-2} twin lamellar structure. At the stage of twinning-dominated deformation （ε 〈 -8%）, lamellar thickness decreases significantly with strain, from 5.55 to 2.49 pro. The evolution of lamellar thickness during deformation is directly related to {1012} twin activity. When plastic strain is greater than - 8%, the twin lamellar structure disappears because the volume fraction of twins almost saturates at a value of -90%. |
| doi_str_mv | 10.1016/j.jmst.2013.08.003 |
| format | Article |
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Mostly one { 101-2} twin variant or a twin variant pair is activated in a grain, leading to a parallel {101-2} twin lamellar structure. At the stage of twinning-dominated deformation （ε 〈 -8%）, lamellar thickness decreases significantly with strain, from 5.55 to 2.49 pro. The evolution of lamellar thickness during deformation is directly related to {1012} twin activity. When plastic strain is greater than - 8%, the twin lamellar structure disappears because the volume fraction of twins almost saturates at a value of -90%.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.jmst.2013.08.003</doi><tpages>6</tpages></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present); Alma/SFX Local Collection |
| subjects | [formula omitted] twin lamella Deformation Dynamic tests Dynamics Evolution Lamellar structure Lamellar thickness Magnesium alloy Magnesium base alloys Plastic deformation Strain 变形镁合金 塑性变形 塑性应变 室温 层状结构 片层厚度 结构特征 轧制方向 |
| title | Characteristics of Twin Lamellar Structure in Magnesium Alloy during Room Temperature Dynamic Plastic Deformation |
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