Hot working behaviour of Ti-8Al-1Mo-1V alloy through the hot compression test

被引：1
作者：
Ebrahimi, G. R. [1 ]
Zarghani, F. [2 ]
Ezatpour, H. R. [3 ]
Taheri, J. [4 ]
机构：
[1] Ferdowsi Univ Mashhad, Engn Fac, Dept Mat Sci & Met Engn, Mashhad, Iran
[2] Hakim Sabzevari Univ, Dept Mat & Polymer Engn, Sabzevar, Iran
[3] Hakim Sabzevari Univ, Dept Engn Sci, Sabzevar, Iran
[4] Sharif Univ Technol, Dept Mat Sci & Engn, Azadi Ave, Tehran, Iran
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2024年 / 40卷 / 10期
关键词：
Ti-8Al-1Mo-1V alloy; hot deformation behaviour; mechanical analysis; work softening; DEFORMATION-BEHAVIOR; TI-6AL-4V ALLOY; FLOW BEHAVIOR; DYNAMIC RECRYSTALLIZATION; TITANIUM-ALLOY; TRANSFORMATION; MECHANISM; PHASE;
D O I：
10.1177/02670836231223807
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hot deformation behaviour of Ti-8Al-1Mo-1V alloy (Ti-811) was investigated through the hot compression tests at the temperatures of 950-1075 degrees C and at strain rates of 0.001-1 s-1. The flow curves of the Ti-811 alloy were successfully modelled by means of the sinh equation and constitutive equations were proposed for isothermal hot compression of Ti-811 alloy. According to the date of flow curves, the values were calculated for the strain rate sensitivity, stress exponent and activation energy. The amounts of the strain rate sensitivity, stress exponent, and activation energy were calculated as 0.19, 3.95 and 730 kJ mol-1 for alpha + beta region and 0.21, 3.6 and 194 kJ mol-1 for beta region, respectively.
引用
收藏
页码：755 / 765
页数：11
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