Zobrazeno 1 - 10
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pro vyhledávání: '"M.D. Chapetti"'
Akademický článek
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Akademický článek
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Publikováno v:
International Journal of Fatigue. 29:1115-1124
An uncommon blow out in a 24″ diameter, 7 mm thick API 5L X52 gas pipeline was due to fracture at the longitudinal double submerged arc weld (DSAW). Fatigue cracks were found to have initiated from a large embedded weld defect of lack of fusion, re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1526310826fe1e2a9667146dbe3437b2
https://doi.org/10.1016/j.ijfatigue.2006.09.013
https://doi.org/10.1016/j.ijfatigue.2006.09.013
Publikováno v:
International Journal of Fatigue. 27:235-243
Fatigue growth behaviour of long cracks in an ultra-fine grained steel (grain size 1 μm) was investigated. The influence of tensile mean stress on propagation threshold and propagation behaviour was analysed. The threshold for fatigue crack propagat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::501c9c317a05145d1cb84ec2069241ed
https://doi.org/10.1016/j.ijfatigue.2004.07.004
https://doi.org/10.1016/j.ijfatigue.2004.07.004
Publikováno v:
Materials Science and Engineering: A. 381:331-336
Fatigue strength of two ultra-fine grained steels (grain sizes 0.8 and 1 μm) was investigated. A coarse grained (grain size 12.5 μm) SM490 steel with a similar chemical composition was also analysed for comparison purpose. An important improvement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f599a22946f3dd2ac07d074ac357446c
https://doi.org/10.1016/j.msea.2004.04.055
https://doi.org/10.1016/j.msea.2004.04.055
Akademický článek
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Publikováno v:
Materials Science and Engineering: A. 356:227-235
In this study, the fatigue crack propagation from the surface and from internal inclusions is analyzed and modeled in high strength steels that show both types of crack initiation. Fatigue crack propagation lives of a crack initiated from the surface
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55daaf335de68f0116b774b0f8e70b99
https://doi.org/10.1016/s0921-5093(03)00135-7
https://doi.org/10.1016/s0921-5093(03)00135-7
Publikováno v:
Materials Science and Engineering: A. 356:236-244
Ultra-long cycle fatigue fracture origins in high strength steels are mostly at non-metallic inclusions due to the influence of the trapped hydrogen. In the vicinity of a non-metallic inclusion at the fracture origin, an optically dark area (ODA) is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::733ad213330ef0998167169c832070e7
https://doi.org/10.1016/s0921-5093(03)00136-9
https://doi.org/10.1016/s0921-5093(03)00136-9
Publikováno v:
International Journal of Pressure Vessels and Piping. 79:759-765
This paper addresses the structural integrity of gas pipelines with multiple full-encirclement weld repairs. The scope of the work is to identify and quantify the effects of the number and type of repairs, the distance between them, and the pressuriz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::335fcdec090427f8974fd040314b5cfe
https://doi.org/10.1016/s0308-0161(02)00063-7
https://doi.org/10.1016/s0308-0161(02)00063-7
Publikováno v:
International Journal of Fatigue. 24:21-28
A blowout in a 14 in. diameter, 1/4 in. thick API 5L X46 oil pipeline was due to the sudden propagation of a fracture at the longitudinal Electrical Resistance Welding (ERW) weld. The cracks initiated from small hook crack-type defects on the externa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27d8e55662e08a65fefb06d213fa0a6f
https://doi.org/10.1016/s0142-1123(01)00111-6
https://doi.org/10.1016/s0142-1123(01)00111-6