Effect of post-weld heat treatment on joint properties of friction welded joint between brass and low carbon steel

被引：18
|
作者：
Kimura, M. [1 ]
Kusaka, M. [1 ]
Kaizu, K. [1 ]
Fuji, A. [2 ]
机构：
[1] Univ Hyogo, Grad Sch Engn, Dept Mech & Syst Engn, Himeji, Hyogo 6712280, Japan
[2] Kitami Inst Technol, Natl Univ Corp, Dept Mech Engn, Kitami, Hokkaido 0908507, Japan
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2010年 / 15卷 / 07期
关键词：
Friction welding; Brass; Low carbon steel; Post-weld heat treatment; Joint properties; Crack; MECHANICAL-PROPERTIES; TITANIUM; STRENGTH; ALUMINUM; BEHAVIOR; ALLOY;
D O I：
10.1179/136217110X12813393169615
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper describes the effect of post-weld heat treatment (PWHT) on joint properties of copper-zinc alloy (brass) and low carbon steel friction welded joints. The as-welded joint obtained 100% joint efficiency and the brass base metal fracture without cracking at the weld interface, and had no intermetallic compound layer. The joint efficiency with PWHT decreased with increasing heating temperature and its holding time, and its scatter increased with those increasing parameters. When the joint was heat treated at 823 K for 360 ks, it did not achieve 100% joint efficiency and fractured between the weld interface and the brass base metal although it had no intermetallic compound. The cracking at the peripheral portion of the weld interface was generated through PWHT. The cracking was due to the dezincification and the embrittlement of the brass side during PWHT.
引用
收藏
页码：590 / 596
页数：7
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