The Characteristics of the Source of Welding Residual Stress (Inherent Strain) and Its Application to Measurement and Prediction(Machanics, Strength & Structural Design)
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Welding residual stress in a joint is produced as a result of thermal elasto-plastic behavior during welding. The source of residual stress is incompatible strain, called inherent strain in this report which is composed of shrinkage strain of the weld metal, plastic strain in the vicinity of welded zone, etc. Utilizing of the characteristics of inherent strain, measurement and prediction of three dimensional residual stress have become possible with the inherent strain being used as a parameter. Here, the characteristics of inherent strain are described by a simple example and the predicting and measuring methods of welding residual stress are outlined.
- 大阪大学の論文
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