Textures in the Superplastically Deformed Tin-Lead Eutectic Alloy

C. P. Cutler, J. W. Edington
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引用次数: 19

Abstract

Abstract Texture measurements and metallographic studies have been made at various strains in material deformed with initial values of strain-rate sensitivity (m) = 0.2, 0.3, and 0.7. Texture becomes more random with increasing strain in both phases, independent of the value of m. Curved. grain boundaries and grain growth are produced by deformation and scratch-offset studies demonstrate that boundary sliding is occurring. The texture measurements are discussed in terms of the sliding process itself and possible associated accommodation mechanisms, both of which lead to grain rotation and a slow reduction in texture with increasing strain.
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超塑性变形锡铅共晶合金的织构
在应变率灵敏度(m)初始值为0.2、0.3和0.7的情况下,对变形的材料进行了不同应变下的织构测量和金相研究。随着两相应变的增加,织构变得更加随机,与m. curves的值无关。晶界和晶粒生长是由变形和划痕偏移研究表明,边界滑动是发生的。根据滑动过程本身和可能相关的调节机制,讨论了织构测量,两者都导致晶粒旋转和织构随应变增加而缓慢减少。
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