Optimization of tensile strength of friction stir welded Al-(10 to14 wt.%) TiB2 metal matrix composites

Santhiyagu Joseph Vijay, Nadarajan Murugan, Siva Parameswaran

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


Metal Matrix Composites (MMCs) play a vital role in replacing many structural materials due to their superior mechanical and metallurgical properties. Processing those composites has always been a major factor influencing their application. Al-TiB2 MMCs are used as structural members in the marine industry. Friction Stir Welding (FSW) has revolutionized the process of joining those composites. In this paper, an attempt has been made to friction stir weld the Al-TiB2 MMCs and to develop a regression model for predicting the tensile strength of the weldment. The process parameters considered for FSW are tool rotation speed, tool traverse speed, axial load and weight percentage of TiB2 in Al matrix. The regression model is used to optimize the process parameter using Desirability Optimization Methodology to improve the tensile strength of the FS welded Al-TiB2 composites. The effects of process parameters on the tensile strength of the welded composites are analyzed and presented.

Original languageEnglish
Title of host publicationMaterials Processing and Interfaces
PublisherMinerals, Metals and Materials Society
Number of pages8
ISBN (Print)9781118296073
StatePublished - 2012
Event141st Annual Meeting and Exhibition, TMS 2012 - Orlando, FL, United States
Duration: Mar 11 2012Mar 15 2012

Publication series

NameTMS Annual Meeting


Conference141st Annual Meeting and Exhibition, TMS 2012
Country/TerritoryUnited States
CityOrlando, FL


  • Friction stir welding
  • Metal matrix composites
  • Optimization
  • Process parameters
  • Tensile strength


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