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指出常用超塑性试验装置及试验方法的不足,对试验装置及方法进行了改进.通过对比硬铝LY12在相同条件、不同装置上所得的超塑性形变结果,证实改进后的试验装置及试验方法可充分发挥材料超塑性形变的潜力,更真实地反映材料超塑性变形的能力.
The deficiency of common superplasticity test device and test method is pointed out and the test device and method are improved.Compared with the results of superplastic deformation obtained from the same conditions and different devices, it is confirmed that the improved test device and test method Give full play to the potential of material superplastic deformation, a more realistic reflection of the material superplastic deformation ability.