[1]康福伟,张继敏,樊德智,等. ZL114A 合金热变形本构方程[J].哈尔滨理工大学学报,2018,(02):134-139.[doi:10. 15938/j. jhust. 2018. 02. 024]
 KANG Fu-wei,ZHANG Ji-min,FAN De-zhi,et al. Constitutive Equation of Hot Deformation of ZL114A Alloy[J].哈尔滨理工大学学报,2018,(02):134-139.[doi:10. 15938/j. jhust. 2018. 02. 024]
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 ZL114A 合金热变形本构方程
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2018年02期
页码:
134-139
栏目:
材料科学与工程
出版日期:
2018-02-25

文章信息/Info

Title:
 Constitutive Equation of Hot Deformation of ZL114A Alloy
文章编号:
1007-2683( 2018) 02-0134-06
作者:
 康福伟 张继敏 樊德智 王珊珊
 ( 哈尔滨理工大学 材料科学与工程学院,黑龙江 哈尔滨 150040
Author(s):
 KANG Fu-wei ZHANG Ji-min FAN De-zhi WANG Shan-shan
 ( School of Materials Science and Engineering,Harbin University of Science and Technology,Harbin 150040,China)
关键词:
 ZL114A 合金热变形流变应力本构方程
Keywords:
 ZL114A alloy thermal deformation flow stress constitutive equation
分类号:
TG376. 2
DOI:
10. 15938/j. jhust. 2018. 02. 024
文献标志码:
A
摘要:
 利用 Gleeble-1500D 热模拟实验机在变形温度 350℃ ~ 470℃、应变速率 0. 001s -1 ~ 10s -1、变形量50%的条件下对 ZL114A 合金进行热压缩实验。研究了该合金在不同变形条件下真 应力 -真应变曲线的变化规律,并在 Arrhenius 双曲正弦型方程的基础上建立了 ZL114A 合金热变 形的本构方程。将计算值与实验得到的真应力 -真应变曲线进行对比,结果吻合良好,实验结果为 ZL114A 合金热加工工艺的制定提供了理论依据。
Abstract:
 At the condition of deformation temperature of 350 ~ 470 ℃,strain rate of 0. 001 ~ 10 s -1, deformation of 50%,hot compression tests for ZL114A alloy were carried out by Gleeble-1500D thermal simulation testing machine. The characteristics of true stress-strain curves were studied under different testing conditions. The
constitutive equations of ZL114A alloy were established base on the Arrhenius hyperbolic sine equation. Comparing the calculated values with testing values of true stress-strain,the results indicated a good fit. The testing results could provide theoretical basis for making a hot working process of ZL114A alloy.

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更新日期/Last Update: 2018-06-30