Evaluación numérica del efecto del metal de soldadura sobre el factor de constricción en probetas C(T) bimetálicas

J. R. Donoso; A. Ortiz; F. Labbé

doi:10.3989/revmetalm.2003.v39.i5.348

Numerical evaluation of the effect of the weld metal on the constraint factor in bi-metal C(T) specimens

Authors

J. R. Donoso Departamento Ciencia de Materiales. Universidad Técnica Federico Santa María
A. Ortiz Departamento de Mecánica. Universidad Técnica Federico Santa María
F. Labbé Departamento de Mecánica. Universidad Técnica Federico Santa María

DOI:

https://doi.org/10.3989/revmetalm.2003.v39.i5.348

Keywords:

Elastic-plastic fracture, Common format, Constraint factor, Fracture toughness

Abstract

The effect of the weld metal on the out-of-plane constraint in C(T) bi-material specimens was studied using the Common Format Equation (CEE) and its associated constraint factor, Ω*, as a function of the thickness-to-ligament ratio, B/b. The values of Ω* for onematerial specimens (base metal) and bi-material specimens (base metal plus weld metal) were compared. The presence of weld metal lowers the degree of constraint in the bimaterial specimens in relation to the base metal specimens, for a given B/b value. This effect is attenuated for deeply cracked specimens, the Ω* values being similar for the onematerial and the bi-material specimens.

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Published

2003-10-30

How to Cite

Donoso, J. R., Ortiz, A., & Labbé, F. (2003). Numerical evaluation of the effect of the weld metal on the constraint factor in bi-metal C(T) specimens. Revista De Metalurgia, 39(5), 357–366. https://doi.org/10.3989/revmetalm.2003.v39.i5.348

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Issue

Vol. 39 No. 5 (2003)

Section

Articles

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