Austenitizing temperature and hardenability of low-carbon boron steels

被引：97

作者：

Hwang, Byoungchul ^{[1
]}

Suh, Dong-Woo ^{[2
]}

Kim, Sung-Joon ^{[1
]}

机构：

[1] Korea Inst Mat Sci, Chang Won 641010, South Korea

[2] Pohang Univ Sci & Technol, Grad Inst Ferrous Technol, Pohang 790784, South Korea

来源：

SCRIPTA MATERIALIA | 2011年 / 64卷 / 12期

关键词：

Steels; Hardenability; Grain boundary segregation; Precipitation; Thermodynamics; GRAIN-BOUNDARY SEGREGATION; STAINLESS-STEEL; BEHAVIOR;

D O I：

10.1016/j.scriptamat.2011.03.003

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The hardenability of boron steels was discussed in terms of precipitation behavior and phase stability of M(23)(C,B)(6) borocarbide in accordance with austenitizing temperature. A higher austenitizing temperature reduced the hardenability of Mo-added boron steel by the preferred precipitation of borocarbide because it caused a significant increase in boron concentration segregated to the austenite grain boundary due to grain coarsening and a non-equilibrium segregation mechanism. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：1118 / 1120

页数：3

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