晶体孪晶
材料科学
软化
合金
应变率
冶金
应变硬化指数
纹理(宇宙学)
硬化(计算)
拉伤
复合材料
微观结构
医学
图像(数学)
图层(电子)
人工智能
计算机科学
内科学
作者
R. Kapoor,Apu Sarkara,Jaiveer Singh,I. Samajdar,Dierk Raabe
标识
DOI:10.1016/j.scriptamat.2013.10.025
摘要
Zr–1Nb alloy uniaxially compressed at room temperature at 10−2 and 103 s−1 exhibited twinning and a three-stage strain-hardening behavior. At 103 s−1 the twin fraction initially increased to 0.3, decreasing to 0.02 at higher strains. Despite the difference in texture at intermediate strains, the final texture was similar at both strain rates. The increasing strain-hardening rate in the second stage was attributed to strengthening from grain boundaries and dislocations, and softening from reorientation due to twinning.
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