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Study on a Calculation Model for True Stress and Strain of 304 Stainless Steel Strip Continuous Casting at High Temperature and in Hot Deformation
Author(s): 
Pages: 47-50
Year: Issue:  z1
Journal: BAOSTEEL TECHNOLOGY

Keyword:  薄带连铸不锈钢热变形真应力真应变;
Abstract: 提出了薄带连铸304不锈钢在高温热变形过程中,当出现颈缩时以四棱台进行变形的模型.根据拉伸过程中采集的瞬时载荷、瞬时位移数据,应用matlab软件建立了其在热变形过程中的真应力真应变计算模型,并把实际测量的截面面积与模型计算值进行了比较.结果表明:模型的计算值与实测值吻合得较好.因此,根据建立的计算模型得到了薄带连铸304不锈钢的变形抗力数学表达式.
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