QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
Online ISSN : 2434-8252
Print ISSN : 0288-4771
Effect of tool geometry on tool wear characterization and weld formation in friction stir welding of 316L stainless steel
Yingchun ChenHidetoshi FujiiTakuya TsumuraYoshihiko KitagawaKazuhiro NakataKenji IkeuchiKazuki MatsubayashiYukio MichishitaYasuyuki FujiyaJungo Katoh
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2009 Volume 27 Issue 2 Pages 85s-88s

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Abstract

316L stainless steel plate was friction stir welded using PCBN tools. The effect of tool shoulder profile and tool probe profile on tool wear characterization and weld formation was investigated. Two different shoulder profiles (screw with different pitches) with four different tool probe profiles (two different probe end shapes and two different probe lengths) have been used to fabricate FSW zone. Experimental results show that the tools with narrow pitch screw shoulder profile produce deeper FSW zone compared to the tools with wide pitch. The tools with spiral probe profile produce deeper FSW zone compared to the tools with chamfer probe profile. The tools with wide pitch screw shoulder profile is apt to produce lower working loads. The wear resistant of tools with chamfer probe profile is significantly higher than that of tools with spiral probe profile. The relation between tool geometries and tool wear and weld formation is discussed.

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© 2009 by JAPAN WELDING SOCIETY
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