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A study of pre and post weld heat treatments on integrity, microstructures and mechanical properties of advanced superalloy welds

A study of pre and post weld heat treatments on integrity, microstructures and mechanical properties of advanced superalloy welds
焊前和焊后热处理对先进高温合金焊缝完整性、显微组织和力学性能的研究
批准号:
5841-2008
负责人:
Chaturvedi, Mahesh
金额:
$3.28万
依托单位:
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Individual
财政年份:
2009
资助国家:
加拿大
项目状态:
已结题
起止时间:
2009-01-01 至 2010-12-31
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英文摘要
Joining of materials by various techniques such as welding and brazing is an important technique to manufacture, and repair aero and power generation turbines. A major activity of Canada's multibillion-dollar aerospace industry is to manufacture and repair aircrafts and aero-engine components by different joining processes. Unfortunately, most of the metallic aerospace materials, such as aluminum, titanium, and nickel based superalloys are difficult to weld and braze, and crack during the process. A crucial step in finding solution for their joining problems is through a thorough understanding of the effect of processing parameters on microstructure of pre-joined and post-joined materials. Therefore,
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