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Friction Stir welding on Dissimilar Metals Aluminium 6061 & Pure Copper

Author(s):

Balram Yelamasetti , Sreyas institute engineering & Technology, Hyderabad-500068.; Harinadh Vemanaboina, Nalla Narasimha Reddy Education Society’s Group of Instititions, Hyderabad, Telangana State, India; Krishna Chaitanya Tangirala, Sreyas institute engineering & Technology, Hyderabad-500068.

Keywords:

FSW, Tool design, Tensile strength and Microstructure

Abstract

Friction Stir Welding (FSW) is an innovative solid-state joining process in which a non-consumable rotating cylindrical tool with a shoulder and a specially designed pin, harder than the material to be welded is inserted into the butt lines of the base metal plates and subsequently travelled along the joint line. In this work an attempt is made to join Al6061 with pure Copper using H13 as tool material. An experiment has been conducted based on three process parameters shoulder diameter (mm), tool rotational speed(rpm) and travel speed(mm/min). The tensile test has been conducted on UTM the maximum load can be applied on test specimen, the resulting tensile strength was estimated the 140MPa. The tool design is affecting the properties of weld butt joint, the microstructure is changing by varying the tool rotational speed and axial loads.

Other Details

Paper ID: RTIMEP012
Published in: Conference 7 : RTIME-2k16
Publication Date: 01/05/2016
Page(s): 60-65

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