材料科学
粒度
晶界强化
打滑(空气动力学)
冶金
极限抗拉强度
镁合金
纹理(宇宙学)
微观结构
位错
晶界
复合材料
合金
物理
人工智能
计算机科学
图像(数学)
热力学
作者
Wei Yuan,S.K. Panigrahi,J.Q. Su,Rajiv S. Mishra
标识
DOI:10.1016/j.scriptamat.2011.08.028
摘要
Friction stir processing was applied to a magnesium alloy to generate various grain sizes with the same intense basal texture. Subsequent tensile deformation along two orthogonal directions by easy activation or inhibition of basal slip follows the Hall–Petch relationship between yield stress and grain size in both directions. The Hall–Petch parameters are texture dependent. Easy activation of basal slip introduces lower values, while inhibition of basal slip leads to higher values. The Hall–Petch parameters are interpreted by texture and microstructural factors.
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