...Sc合金; 高应变速率超塑性; 超塑性胀形; 微观组织[gap=1107]Key words: Al-6Mg-0.2Sc alloy; high strain rate superplasticity; superplastic bulging; microstructure...
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超塑性变形的主要机制是细小晶粒的晶界滑动,适当的微量液相有利于该复合材料的高应变速率超塑性。
The dominant process of superplastic deformation is fine grain boundary sliding, and an appropriately small amount of liquid phase can enhance the high strain rate superplasticity of the composite.
综述了镁合金超塑性的研究进展,总结了镁合金超塑性变形的微观机理,评述了镁合金高应变速率超塑性的研究状况,提出了几个需要解决的问题和研究方向。
The current status of research on high strain rate superplasticity of magnesium alloys is then examined, and several problems to be solved and future directions are suggested.
在高应变速率条件下,LY 12铝合金具有较好的超塑性和室温性能。
In higher strain-rate condition, LY12 alloy has good superplasticity and room temperature properties.
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