Guide for recommended practices to perform crack tip opening displacement tests in high strength low alloy steels
10.1590/0104-9224/SI2103.05
Inclou dades d'ús des de 2022
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hdl:2117/368125
Tipus de documentArticle
Data publicació2016-09
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Abstract
Fracture mechanics approach is important for all mechanical and civil projects that might involve cracks in metallic materials, and especially for those using welding as a structural joining process. This methodology can enhance not only the design but also the service life of the structures being constructed. This paper includes detailed consideration of several practical issues related to the experimental procedures to assess the fracture toughness in high strength low alloy steels (HSLA) using the crack tip opening displacement (CTOD) parameter, specifically pipeline steels for oil and gas transportation. These considerations are important for engineers who are new in the field, or for those looking for guidelines performing different procedures during the experimentation, which usually are difficult to understand from the conventional standards. We discuss on topics including geometry selection, number of replicate tests, fatigue precracking, test procedure selection and realization, reports of results and other aspects.
CitacióAvila, J. [et al.]. Guide for recommended practices to perform crack tip opening displacement tests in high strength low alloy steels. "Revista soldagem and inspecao", Setembre 2016, vol. 21, núm. 3, p. 290-302.
ISSN0104-9224
Versió de l'editorhttps://www.scielo.br/j/si/a/x8hFZKWQfxYdyqD3S3vL4nm/?lang=en
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