Characterization of hot workability of IN617B alloy using activation energy, Zener-Hollomon parameter and hot processing maps

被引:11
|
作者
Luo, Rui [1 ]
Zhou, Yiming [1 ]
Gao, Pei [2 ]
Liu, Tian [1 ,3 ]
Cao, Yu [4 ]
Ding, Hengnan [1 ]
Lin, Wei [1 ]
Liu, Qingtao [1 ]
Tian, Tian [5 ]
机构
[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Jiangsu Yinhuan Precis Steel Tube Co Ltd, Yixing 214200, Jiangsu, Peoples R China
[3] Hokkaido Univ, Grad Sch Engn, Sapporo 0608628, Japan
[4] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
[5] Jiangsu Univ, Analyt & Testing Ctr, Zhenjiang 212013, Jiangsu, Peoples R China
来源
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2023年 / 26卷
关键词
IN617B alloy; Activation energy (Q) map; Zener-Hollomon parameter (Z) map; Hot processing map; Dynamic recrystallization; mechanism; DEFORMATION-BEHAVIOR; MICROSTRUCTURE EVOLUTION; WORKING BEHAVIOR; RECRYSTALLIZATION; SUPERALLOY;
D O I
10.1016/j.jmrt.2023.08.259
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In order to predict the hot workability of the material more accurately, this paper takes the hot deformation of IN617B as the example. The activation energy (Q) map, Zener-Hollomon parameter (Z) map, and hot processing map were established based on the hot compression tests conducted at 950-1200 & DEG;C and 0.01-5 s-1. It was found that the area with high power dissipation values (denoted by h) in the hot processing map did not match the complete dynamic recrystallization (DRX) region completely. However, the microstructure corresponding to the high h area and low Z and Q area exhibited higher DRX. Therefore, the optimal hot processing region for this alloy was determined to be 1200 & DEG;C/0.1 s-1/0.8. Under this parameter, the DRX mechanism of IN617B alloy was dominated by discontinuous dynamic recrystallization (DDRX), supplemented by small amounts of continuous dynamic recrystallization (CDRX) and twinning dynamic recrystallization (TDRX).& COPY; 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
引用
收藏
页码:5141 / 5150
页数:10
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