Dissimilar friction stir welding of duplex stainless steel to low alloy structural steel

被引：22

作者：

Logan, B. P. ^{[1
]}

Toumpis, A. I. ^{[1
]}

Galloway, A. M. ^{[1
]}

McPherson, N. A. ^{[1
]}

Hambling, S. J. ^{[2
]}

机构：

[1] Univ Strathclyde, Dept Mech & Aerosp Engn, Glasgow, Lanark, Scotland

[2] BAE Syst Submarines, Barrow In Furness, England

来源：

SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2016年 / 21卷 / 01期

关键词：

Dissimilar friction stir welding; Duplex stainless steel; S275; Microstructure; Fatigue; MECHANICAL-PROPERTIES; ALUMINUM-ALLOY; MICROSTRUCTURE; JOINTS; SPEED;

D O I：

10.1179/1362171815Y.0000000063

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present study, 6 mm nominal thickness dissimilar steel plates were joined using friction stir welding. The materials used were duplex stainless steel and low alloy structural steel. The weld was assessed by metallographic examination and mechanical testing (transverse tensile and fatigue). Microstructural examination identified four distinct weld zones and a substantially hard region within the stir zone at the base of the weld tool pin. Fatigue specimens demonstrated high level fatigue life and identified four distinct fracture modes.

引用

页码：27 / 35

页数：9

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