The enhanced ability to withstand axial hot compression of electropulsing-assisted ultrasonic surface rolling process treated inconel 718

被引：0
|
作者：
Sun Z. [1 ,2 ]
Hu T. [1 ]
Ren S. [3 ]
Li B. [1 ,2 ]
机构：
[1] School of Materials Science and Engineering, Tsinghua University, 100084, Beijing
[2] Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University, Shenzhen
[3] HBIS Group Technology Research Institute, Shijiazhuang
来源：
Solid State Phenomena | 2019年 / 298卷
关键词：
Electropulsing; Hot compression; Inconel; 718;
D O I：
10.4028/www.scientific.net/SSP.298.69
中图分类号：
学科分类号：
摘要：
The ability to withstand axial hot compression at 700 °C of electropulsing-assisted ultrasonic surface rolling process (EUSRP) treated Inconel 718 was characterized by hot compression tests in this study. Results indicated that EUSRP induced ultra-fine microstructure on the near-surface regions of the sample and the formation of recrystallized ultra-fine grains in the near-surface regions was further promoted during hot compression test. In addition, a large number of nano-y phases were precipitated on the broadened grain boundaries of the near-surface regions. In summary, EUSRP enhanced the ability to withstand axial hot compression of Inconel 718 at 700 °C. © 2019 Trans Tech Publications Ltd, Switzerland.
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页码：69 / 74
页数：5
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