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

B. P. Logan; A. I. Toumpis; A. M. Galloway; N. A. McPherson; S. J. Hambling

doi:10.1179/1362171815Y.0000000063

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

B. P. Logan
, A. I. Toumpis
, A. M. Galloway
, N. A. McPherson
, S. J. Hambling

Mechanical And Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

185 Downloads (Pure)

Abstract

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.

Original language	English
Pages (from-to)	27-35
Number of pages	9
Journal	Science and Technology of Welding and Joining
Volume	21
Issue number	1
Early online date	1 Sept 2015
DOIs	https://doi.org/10.1179/1362171815Y.0000000063
Publication status	Published - 1 Jan 2016

Keywords

dissimilar friction stir welding
duplex stainless steel
S275
microstructure
Fatigue

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10.1179/1362171815Y.0000000063

Logan-etal-SciTechWeldJoin-2015-Dissimilar-fsw-of-duplex-stainless-steel-to-low-alloy-structural-steelAccepted author manuscript, 1.52 MBLicence: Unspecified

Cite this

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T1 - Dissimilar friction stir welding of duplex stainless steel to low alloy structural steel

AU - Logan, B. P.

AU - Toumpis, A. I.

AU - Galloway, A. M.

AU - McPherson, N. A.

AU - Hambling, S. J.

PY - 2016/1/1

Y1 - 2016/1/1

N2 - 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.

AB - 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.

KW - dissimilar friction stir welding

KW - duplex stainless steel

KW - S275

KW - microstructure

KW - Fatigue

UR - http://www.maneyonline.com/loi/stw

UR - http://www.maneypublishing.com

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JO - Science and Technology of Welding and Joining

JF - Science and Technology of Welding and Joining

IS - 1

ER -

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

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

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