Low and Medium Carbon Advanced High-Strength Forging Steels for Automotive Applications

被引：25
|
作者：
Sugimoto, Koh-ichi [1 ]
Hojo, Tomohiko [2 ]
Srivastava, Ashok Kumar [3 ]
机构：
[1] Shinshu Univ, Sch Sci & Technol, Dept Mech Syst Engn, Nagano 3808553, Japan
[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[3] OP Jindal Univ, Sch Engn, Dept Met Engn, Raigarh 496109, India
来源：
METALS | 2019年 / 9卷 / 12期
关键词：
advanced high-strength forging steel; hot-forging; microstructure; retained austenite characteristics; mechanical properties; applications; RETAINED AUSTENITE CHARACTERISTICS; MECHANICAL-PROPERTIES; IMPACT TOUGHNESS; MICROSTRUCTURE; FERRITE; TRANSFORMATION; DUCTILITY; BEHAVIOR; DESIGN; ENHANCEMENT;
D O I：
10.3390/met9121263
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents the microstructural and mechanical properties of low and medium carbon advanced high-strength forging steels developed based on the third generation advanced high-strength sheet steels, in conjunction with those of conventional high-strength forging steels. Hot-forging followed by an isothermal transformation process considerably improved the mechanical properties of the forging steels. The improvement mechanisms of the mechanical properties were summarized by relating to the matrix structure, the strain-induced transformation of metastable retained austenite, and/or a mixture of martensite and austenite.
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页数：14
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