Title: A Study on the Effect of Varying Revolution Pitch for Different Tool Design: Friction Stir Welding of AA 6061-T6
Abstract: Friction stir welding (FSW) is a very promising joining process for joining of lightweight material. In this study, an attempt has been made to analyze the effect of different tool design for varying revolution pitch. Two different tool pin design namely square and cylindrical threaded is used for the purpose and revolution pitch has been varied in two levels. Spindle torque, downward vertical force (Z-force) and welding force (X-force) are considered in this study to analyze the effectiveness of tool pin design with revolution pitch. With varying revolution pitch, all these entities (spindle torque, Z-force and X-force) varied significantly whereas square tool exhibits higher amount torque and force. Comparatively improved tensile properties are achieved for square tool at lower revolution pitch. Microstructural analysis of the samples reveals finer grain structure is obtained at higher revolution pitch. With square tool, finer grains and dispersions are obtained.
Publication Year: 2019
Publication Date: 2019-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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Cited By Count: 1
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