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Graduate Research School For Candidates Prospective Candidates Available Projects Residual Stress Mapping in Solution Heat Treated Al Engine Blocks
Residual Stress Mapping in Solution Heat Treated Al Engine Blocks
Title of Project
Residual Stress Mapping in Solution Heat Treated Al Engine Blocks
Name of Advisor/s
Dr Greg Wheatley, A/Prof Dimitry Sediako (Uni of British Colombia)
College
College of Science & Engineering
Summary of Project
Lightweighting has become an important aspect in the design and production of automobiles due to strict government legislation on fuel economy. This has led to the implementation of light weight Al alloys for automotive applications such as engine blocks. However, Al alloy engine blocks are prone to the development of high tensile residual stress during production due to the interaction between Al and the gray cast iron cylinder liners. Heat treatment is an effective method of relieving tensile residual stress. As such, the development of an optimized heat treatment schedule is important to prevent potential problems such as in-service cylinder distortion. However, to effectively optimize the engine block heat treatment schedule, the current solutionizing parameters must be analyzed to establish a baseline for residual stress relief. As-cast samples have their residual stresses measured and these are compared to post heat treating residual stresses. Finite element analysis (FEA) will be used to simulate the various casting and heat treating processes.
Keywords
Heat treating, Residual Stress, finite element analysis (FEA)
Would suit an applicant who
has a sound academic background, research experience, an interest in mechanical engineering and strong experimental and computational skills.
- James Cook University
- Bachelor of Advanced Science
- Bachelor of Arts
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- Bachelor of Business & Environmental Science
- Bachelor of Dental Surgery
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