On fatigue life improvement using low transformation temperature weld material

Graduate Research School For Candidates Prospective Candidates Available Projects On fatigue life improvement using low transformation temperature weld material

On fatigue life improvement using low transformation temperature weld material

Title of Project

On fatigue life improvement using low transformation temperature weld material

Name of Advisor/s

Dr Greg Wheatley

College

College of Science & Engineering

Summary of Project

The process of welding often produces high tensile residual stresses. By using low transformation temperature welding wire, these high tensile residual stresses can be drastically reduced or transformed into compressive residual stresses. This in turn increases the fatigue life of the welded structure. The transformation strain of candidate welding material will be determined and compared to conventional welding wire. Fatigue specimens will be fabricated with the various welding materials and residual stresses obtained. The impact can then be determined. Finite element analysis (FEA) will be done to simulate the processes.

Keywords

Welding, Residual Stress, finite element analysis (FEA), fatigue

Would suit an applicant who

has a sound academic background, research experience, an interest in mechanical engineering and strong experimental and computational skills.