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本文利用轧制一拉伸实验方法,研究了板料的全硬化性能,并结合单向拉伸实验中应变沿试件轴向的分布不均,分析了塑性拉伸失稳的物理过程。
In this paper, the rolling-tension test method was used to study the full-hardening properties of the sheet. The strain distribution in the uniaxial tensile test along the axial direction was analyzed. The physical process of plastic tensile instability was analyzed.