Friction Welding Essay

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Abstract

The purpose of this study is to propose a method to decide near optimal settings of the welding process parameters in friction welding. Success of the Friction welding process is based on various input parameters and output values. The input parameters are friction pressure (FP), friction time (FT), upset pressure (UP) and upset time (UT), the output are tensile strength, hardness and material losses. Based on the input and output values the strength can be analyzed. In our present investigation, Ti-6Al-4V and SS304L materials were joined by friction welding process using interlayer techniques. In this study, optimum process parameters are analyzed for better weld strength.

Key words: Friction welding, welding parameters, Ti6Al4V, SS304L, Copper, Interlayer.

1. Introduction
Joints of dissimilar metal combination are popular in recent years in the field of special applications like Automotive, aerospace, defence, marine etc., the joining of dissimilar metal by solid state welding is widely preferred in such situation. Titanium alloys are the most preferred materials now days due to its superior properties and best life time performance. …show more content…

Such intermetallics region has improved the bonding strength and high tensile strength compared to direct bonding. Though the binary phase diagram of Cu-Ti indicates the occurrence of various Cu-Ti intermetallic phases with increasing Cu content, the low melting point of copper encourages improved contact area in the mating surfaces. The nature and the localization of intermetallic phases in these welds have been studied by EDS, XRD and micro hardness measurements. The local accumulation of Cu3–Ti and Fe30CuMn30 based phase is less detrimental to the strength of the welds, which makes joining possible

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