Nanostructured high-carbon dual-phase steels

被引：35
|
作者：
Hu, F. [1 ]
Wu, K. M. [1 ]
机构：
[1] Wuhan Univ Sci & Technol, Int Res Inst Steel Technol, Wuhan 430081, Peoples R China
来源：
SCRIPTA MATERIALIA | 2011年 / 65卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Microstructure; Hardness; Quenching-partitioning tempering; Dual phases; Bainitic steels; LOW-TEMPERATURE BAINITE; PARTITIONING-TEMPERING PROCESS; HIGH-STRENGTH STEEL; MECHANICAL-PROPERTIES; HEAT-TREATMENT; TRANSFORMATION; AUSTENITE; FERRITE; MARTENSITE; DESIGN;
D O I：
10.1016/j.scriptamat.2011.05.004
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A nanostructured dual-phase microstructure has been achieved by a quenching partitioning tempering treatment of a high-carbon super bainitic steel. Observations showed that the nanostructured steel consisted of fine martensite, retained austenite and carbides. The hardness reached up to approximately 700 HV1. X-ray diffraction analysis indicated that carbon was partitioned into austenite after martensitic transformation, creating a mixture of carbon-depleted martensite, carbon-enriched retained austenite and fine carbides, with a hardness that exceeds even that of low-temperature super bainite. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：351 / 354
页数：4
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