Effect of α⇆β Transformation on the Diffusion Welding of Titanium(Materials, Metallurgy, Weldability)
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概要
- 論文の詳細を見る
An investigation has been made into the effect of α⇆β transformation on the diffusion welding of titanium with particular reference to the transformation-induced superplasticity. The welding has been carried out in vacuo at a constant welding temperature in α or β phase region, and under thermal cycling (845℃*920℃) through the transformation temperature. The diffusion-welding process of titanium has developed more rapidly at welding temperatures in β phase region than in α phase. The increase in joint strength for early process of welding has been accelerated by the transformation-induced superplasticity. This effect of the superplasticity has been explained by the acceleration of the accomodation at bonding interface which requires the deformation of microasperities on faying surfaces. On the other hand, grain growth across bonding interface has not been so much promoted by the transformation-induced superplasticity.
- 大阪大学の論文
著者
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Akikawa N
Osaka University:(present Office)kawasaki Heavy Industries Ltd.
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IKEUCHI Kenji
Osaka University
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ENJO Toshio
Osaka University
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AKIKAWA Naofumi
Osaka University
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MARUYAMA Toshiharu
Osaka University
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Maruyama Toshiharu
Osaka University:(present Office) Kobe Steel Ltd.
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