Friction stir welding of a high carbon steel

被引：220
作者：
Cui, Ling
Fujii, Hidetoshi
Tsuji, Nobuhiro
Nogi, Kiyoshi
机构：
[1] Osaka Univ, Joining & Welding Res Inst, Ibaraki, Osaka 5670047, Japan
[2] Osaka Univ, Dept Adapt Mach Syst, Suita, Osaka 5650871, Japan
来源：
SCRIPTA MATERIALIA | 2007年 / 56卷 / 07期
基金：
日本学术振兴会;
关键词：
friction stir welding; high carbon steel; carbon; phase transformation;
D O I：
10.1016/j.scriptamat.2006.12.004
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A high carbon steel joint, S70C (0.72 wt.% C), was successfully friction stir welded without any pre- or post-heat treatment. There are two methods for obtaining proper joint properties. The first method is to decrease the peak temperature to below A I and the other is to decrease the cooling rate to less than the lower critical cooling rate. It was proved that friction stir welding enables us to properly control the cooling rate and peak temperature, which was impossible using traditional welding. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：637 / 640
页数：4
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