Microstructure Analysis of Linear Friction Welded AISI 321 Stainless Steel Joint

Y. Fu; W. Y. Li; X. W. Yang

Journal of Engineering Science and Technology Review (Sep 2015)

Microstructure Analysis of Linear Friction Welded AISI 321 Stainless Steel Joint

Y. Fu,
W. Y. Li,
X. W. Yang

Affiliations

Y. Fu: State Key Laboratory of Solidification Processing, Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, PR China
W. Y. Li: State Key Laboratory of Solidification Processing, Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, PR China
X. W. Yang: State Key Laboratory of Solidification Processing, Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, PR China

Journal volume & issue: Vol. 8, no. 6
pp. 37 – 39

Abstract

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In this study, the microstructure evolution of AISI 321 stainless steel during linear friction welding (LFW) was investigated. The results show that LFWed AISI 321 joint has a distinct weld zone (WZ) and thermo-mechanically affected zone (TMAZ). The WZ presents a narrow band of about 400µm thick, which is characterized by a fine-grained recrystallized structure with the average grain size of 2.3µm. Besides, a strong {001} type texture has been formed in the WZ. The TMAZ presents typical streamlines, the thickness of which increases gradually from the weld center to the margins.

Published in Journal of Engineering Science and Technology Review

ISSN: 1791-2377 (Online)
Publisher: Eastern Macedonia and Thrace Institute of Technology
Country of publisher: Greece
LCC subjects: Technology: Engineering (General). Civil engineering (General); Technology: Technology (General)
Website: http://www.jestr.org

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