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Friction Stir Welding Report

1220 Words5 Pages

Abstract- Friction stir welding process is used to combine high strength aluminum alloys, thermoplastic material and other metals also. In Friction stir welding high temperature results in excessive heat generation which ultimately results in various defects that leads to failure of the welded joint. Welded joints are defined on the basis of their strength which includes both types of strengths yield as well as tensile strength that termed as mechanical strength that shows how efficiently it will work, when heavy load is applied without any kind of rupture or failure. This paper presents the variation in the behavior of the welded joint while changing the different process parameters i.e. transverse or welding speed, rotation of spindle, axial force and …show more content…

(MPa) U.T.S. (MPa) BHN % elongation Thermal conductivity((W)⁄mK)
Base Metal (6061) 235 283 95 10-14 180

Main behavioral properties of Al 6061 involve: Good toughness and better surface finish. It is highly corrosive resistant as well as widely available Excellent weldability and workability It can be easily anodized Fig.1 Friction stir welding process Selection of FSW variable process parameter using their impact It is a basic step to get the various effects on the weld strength which is subjected to many input variables such as Spindle speed, transverse speed or Welding speed, pin profile, probe length, tilt angle, Tool pin diameter and Axial force. Out of all these factors some factors are selected as the most important on the basis of their effect on the weld strength which involves both tensile as well as yield strength. Axial force

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