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Open AccessJournal ArticleDOI

Defect tolerance of friction stir welds in DH36 steel

Ryan J. Stevenson, +2 more
- 15 Dec 2015 - 
- Vol. 87, pp 701-711
TLDR
In this article, the microstructure and fatigue performance of 6mm thick DH36 steel plates friction stir welded with sub-optimal process conditions, resulting in the development of embedded and surface breaking flaws.
About: 
This article is published in Materials & Design.The article was published on 2015-12-15 and is currently open access. It has received 25 citations till now. The article focuses on the topics: Friction welding & Friction stir welding.

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Journal ArticleDOI

Defects in Friction Stir Welding of Steel

M. Al-moussawi, +1 more
- 22 Mar 2018 - 
TL;DR: In this article, different welding parameters including tool rotational and tool traverse (linear) speeds were applied to understand their effect on weld seam defects including micro-cracks and voids formation.
Journal ArticleDOI

Advanced numerical modelling of friction stir welded low alloy steel

Bilal Ahmad, +2 more
- 01 Aug 2018 - 
TL;DR: In this paper, the Coupled Eulerian Lagrangian approach has been applied to model the FSW process on steel, and all stages of FSW (plunge, dwell and traverse) have been modelled for slow and fast process parameters and their results compared with previous experimental work on the same grade of steel.
Journal ArticleDOI

Fatigue design of heavy section ductile irons: Influence of chunky graphite

E. Foglio, +4 more
- 05 Dec 2016 - 
TL;DR: In this article, the influence of chunky graphite on mechanical properties, especially on fatigue resistance, of an EN-GJS-400 ferritic ductile iron, was investigated by tensile and rotating-bending tests.
Journal ArticleDOI

Review on friction stir welding of steels

Kannan M. Venkatesh, +3 more
- 01 Jan 2018 - 
TL;DR: In this article, a review article summarizes the extensive research works carried out on ferrous alloys and critically examine several aspects of FSW in these materials, particularly suitable tool materials, tool geometry, effect of tool geometry in metallurgical and mechanical properties of weldment were discussed.
Journal ArticleDOI

Fatigue of Friction Stir Welded Aluminum Alloy Joints: A Review

Hongjun Li, +2 more
- 14 Dec 2018 - 
TL;DR: In this article, an overview of the fatigue mechanism, influencing factors, crack growth rate, and fatigue life assessment of friction stir welded joints is provided. And laser peening is an effective post-weld treatment to decrease fatigue crack rate and improve material fatigue life.
References
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Journal ArticleDOI

Recent advances in friction-stir welding : Process, weldment structure and properties

R. Nandan, +2 more
- 01 Aug 2008 - 
TL;DR: In this article, the authors deal with the fundamental understanding of the process and its metallurgical consequences, focusing on heat generation, heat transfer and plastic flow during welding, elements of tool design, understanding defect formation and the structure and properties of the welded materials.
Book

Recommendations for Fatigue Design of Welded Joints and Components

A. F. Hobbacher
TL;DR: In this paper, the authors present safety considerations for fatigue actions and fatigue assessment in a safety consideration framework, including fatigue actions, fatigue resistance, fatigue assessment, and fatigue resistance assessment.
Journal ArticleDOI

Friction stir welding of aluminium alloys

PL Threadgill, +3 more
- 01 Mar 2009 - 
TL;DR: A comprehensive body of knowledge has built up with respect to the friction stir welding (FSW) of aluminium alloys since the technique was invented in 1991 is reviewed in this article, including thermal history and metal flow, before discussing how process parameters affect the weld microstructure and the likelihood of entraining defects.
Patent

Friction stir welding

伸城 瀬尾, +4 more
TL;DR: In this paper, the friction stir welding method is provided for welding two metal members 1 by using a rotary tool F including an agitation pin F2 and connected to the rotary shaft of a friction stir apparatus D.
Journal ArticleDOI

Friction stir welding: Process, automation, and control

Brian T. Gibson, +8 more
- 01 Jan 2014 - 
TL;DR: In this article, the basic principles of friction stir welding (FSW) are discussed, including terminology, material flow, joint configurations, tool design, materials, and defects, with an emphasis on recent advances in aerospace, automotive, and ship building.
Related Papers (5)

Systematic investigation of the fatigue performance of a friction stir welded low alloy steel

Athanasios Toumpis, +3 more
- 05 Sep 2015 - 

Fatigue performance of friction stir welded marine grade steel

Helena Polezhayeva, +5 more
- 01 Dec 2015 - 

Microstructure and fatigue properties of friction stir welded high-strength steel plates

Gonçalo Sorger, +5 more
- 04 Jul 2018 - 

Fatigue of Friction Stir Welded Aluminum Alloy Joints: A Review

Hongjun Li, +2 more
- 14 Dec 2018 - 

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

B. P. Logan, +4 more
- 25 Feb 2016 - 
Frequently Asked Questions (1)
Q1. What are the contributions mentioned in the paper "Defect tolerance of friction stir welds in dh36 steel" ?

The aim to commercialise this process creates a trade-off between welding time, cost and quality of the joint produced. The work provides an insight into the complex nature of characteristic flaws in steel friction stir welds and their interaction with fatigue behaviour.