THE TEST STUDY OF. THE CRITICAL CONDITION DURING THE DYNAMIC RECRYSTALLIZATION OF PCrNi3MoVA STEEL

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- THE TEST STUDY OF. THE CRITICAL CONDITION DURING THE DYNAMIC RECRYSTALLIZATION OF PCrNi3MoVA STEEL
- PCrNi3MoVA钢动态再结晶临界条件试验研究
- Issue 3, Pages: 316-320(1992)
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- Published：1992
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许勇顺, 彦连治, 徐洪烈. THE TEST STUDY OF. THE CRITICAL CONDITION DURING THE DYNAMIC RECRYSTALLIZATION OF PCrNi3MoVA STEEL[J]. 1992, (3): 316-320.
DOI：

许勇顺, 彦连治, 徐洪烈. THE TEST STUDY OF. THE CRITICAL CONDITION DURING THE DYNAMIC RECRYSTALLIZATION OF PCrNi3MoVA STEEL[J]. 1992, (3): 316-320. DOI：

本文利用Formastor-Press型热模拟试验机

研究了PCrNi_3MoVA钢热变形过程中主要工艺参数对该钢动态再结晶过程中力学行为的影响。建立了试验用钢的动态再结晶临界条件回归方程。求得了发生动态再结晶时的形变热激活能为259kJ/mol

应力指数为4.46。研究了温度补偿应变速率系数Z对热变形流变特性的影响及对流变应力的影响规律

得到了峰值应力σ

与Z之间的关系式。

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