Deformation Behavior of Metastable Austenitic Steel at Low and Moderate Temperatures

被引：0
|
作者：
V. V. Stolyarov
A. V. Frolova
J. V. Tilak Kumar
J. Sudha
机构：
[1] A. A. Blagonravov Mechanical Engineering Research Institute of the Russian Academy of Sciences,Department of Mechanical Engineering, College of Engineering Guindy
[2] Advanced Forming Research Centre,undefined
[3] University of Strathclyde,undefined
[4] Anna University,undefined
来源：
Metal Science and Heat Treatment | 2021年 / 63卷
关键词：
TRIP effect; metastable austenitic steel; deformation behavior;
D O I：
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中图分类号：
学科分类号：
摘要：
The TRIP effect and deformation behavior of metastable austenitic steel were studied under tension in the temperatures range from –120 to +200°C. The original steel microstructure consists of austenite and martensite (50 : 50). The optimal combination of the ultimate strength (about 2395 MPa) and percent elongation (28%) was observed at –100°C due to the TRIP effect, which did not exist above 100°C and below –120°C. The DSC and DMA methods were used to study the transformation temperatures. Based on the analysis of the deformation curves, phase transformation temperatures, and fracture surfaces, changes in the deformation mechanisms at different temperatures can be expected.
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页码：334 / 340
页数：6
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