Recent Trend of Researches on Restraint Stresses and Strains for Weld Cracking
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This paper describes the present status of researches on restraint stress and strain in relation to weld cracking, based on the information obtained from the results of investigation so far performed mainly in Japan. Two kinds of approach are included, which are the concept of the restraint intensity and analyses by the finite element method. The former is rather macroscopic and is of practical usefulness to avoid weld cracking in real structures. The latter gives more precise information about local stress and strain in weld and transient thermal stresses during welding. Future problems to be solved are also discussed.
- 大阪大学の論文
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