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Relationship between strain stored by compressive deformation and crystallographic orientation in a pure aluminum

机译:纯铝中压缩变形和晶体取向储存的应变之间的关系

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In order to investigate relationship between stored strain and crystallographic orientation, 99.99% purity aluminum cubes were compressed with uniaxial or with plane strain state up to a nominal strain of 30%. The aluminum cubes were examined on the same surface before and after compression by SEM/EBSD technique. Stored strain was estimated by Kernel Average Misorientation (KAM) derived from the EBSD analysis, and Taylor factor (TF) was measured before the compressive deformation. The analysis revealed that KAM value or the stored strain decreases until a certain value of TF and then increases with increment of TF.
机译:为了研究储存应变和晶体取向之间的关系,将99.99%的纯度铝立方体用单轴或平面应变状态压缩,直至称为30%的标称菌株。通过SEM / EBSD技术在压缩之前和之后在相同的表面上检查铝制块。通过衍生自EBSD分析的核平均错误(KAM)估计储存的菌株,并且在压缩变形之前测量泰勒因子(TF)。分析显示,kam值或储存的应变降低直至tf的一定值,然后随着tf的增量增加。

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