Numerical analysis of welding residual stress and its verification using neutron diffraction measurement
Journal Article
·
· Journal of Engineering Materials and Technology
Direct measurements and computed distributions of through-thickness residual stress in a pipe butt-welded joint and a pipe socket-welded joint are compared. The analytical evaluation methods used were inherent strain analysis and thermal elastic-plastic analysis. The experimental methods were neutron diffraction for the internal residual stress, and X-ray diffraction and strain-gauge measurement for the surface stress. The residual stress distributions determined using these methods agreed well with each other, both for internal stress and surface stress. The characteristics of the evaluation methods and the suitability of these methods for each particular welded object to be evaluated are discussed.
- Research Organization:
- Osaka Univ., Suita (JP)
- OSTI ID:
- 20014290
- Journal Information:
- Journal of Engineering Materials and Technology, Vol. 122, Issue 1; Other Information: PBD: Jan 2000; ISSN 0094-4289
- Country of Publication:
- United States
- Language:
- English
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