In this thesis, the medium scale dynamic triaxial apparatus, with micro strain measure technique, is developed to realize the aim.
因此，本文从研制高精度中型动三轴仪入手，采用微小应变测试技术，以实现这一目标。
It shows that unelastic volumetric strain is directly prepositional to the number of micro-cracks.
结果表明，非弹性体积应变与微裂纹数量直接相关。
Two kinds of size effects on micro deep drawing are investigated, which can be explained by surface layer model and strain gradient model.
另一个为考虑应变梯度效应的模型，该模型在已有的材料特征基础上引入了尺度效应。
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