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Constitutive Equation of Hot Deformation for H13 Steel Electroslag Ingot
Author(s): 
Pages: 44-47
Year: Issue:  6
Journal: Heat Treatment

Keyword:  H13钢电渣锭热压缩变形本构方程流变应力;
Abstract: 采用Gleeble-1500热模拟试验机对H13钢电渣锭进行热压缩变形试验,研究了在900~1150℃和不同应变速率条件下的真应力-应变关系.结果发现,变形温度对H13钢电渣锭热变形的流变应力有明显的影响,即流变应力随变形温度的升高而降低,但变形速度对其影响较小.根据最小二乘法原理,对H13钢电渣锭在不同温度和不同应变速率条件下的应力-应变关系进行了多元线性回归分析,建立了H13钢电渣锭的热变形本...
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