Thermo-Mechanical-Metallurgical Model of Welded Steel : Part I : Evolution Equations for Internal Material Structures
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概要
- 論文の詳細を見る
The transient and residual stress distribution in a welded joint is affected by solid-liquid and solid phase transformation in the HAZ. Metallurgical phenomena are coupled with stress and elastic strain in a dispersed material particle provided with a multiphase structure. Phase growth laws presented in the literature are given usually as exponential parabolic forms which are not suitable for incremental finite element analysis of a coupled thermo-mechanical-metallurgical problem of welding or quenching. Hence an attempt has been made to rectify the situation with transformation kinetic laws. A unified mathematical procedure applied to several transformation models yield phase growth laws in forms of evolution equations. Kinetic equations of various types have been reviewed to deduce the general forms of diffusional and diffusionless transformation laws. such generalised kinetic equations will be used in finite element formulation of welding problems with phase transformation
- 大阪大学の論文
著者
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IKEUCHI Kenji
Osaka University
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UEDA Yukio
Osaka University
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MURAKAWA Hidekazu
Osaka University
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RONDA Jacek
University of Cape Town
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Ueda Y
Kinki University
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RONDA Jacek
Osaka University
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Murakawa H
Osaka University
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