锌铝共析合金的超塑性变形组织特征 - 中南大学学报（自然科学版、英文版） 关键字: 超塑性变形; 晶界滑移; 孔洞; 位错[gap=859]Key words: superplastic deformation; grain boundary sliding; holes; dislocation
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The superplastic deformation has low stress, enough deformation which is suitable for materials process.
而超塑性变形比塑性变形应力更低,变形量更大,更加有利于材料的加工。
参考来源 - 铝合金搅拌摩擦焊接工艺及超塑性行为研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文提出可利用粘塑性理论解决超塑性变形的力学问题。
The viscoplasticity theory is suggested to be available to analyze the mechanical behavior of superplastic deformation.
并对超塑性变形过程中的孔洞行为与断裂机理进行了研究。
The cavitation behavior and the fracture mechanism under superplastic deformation are analyzed too.
试样在超塑性变形时产生的伸长率与晶界宽度有密切联系。
Elongation of the sample during superplastic deformation has a close relation with grain boundary width.
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