Results 71 to 80 of about 536 (159)

Structure and Mechanical Properties of Linepipe Steel X80

open access: yesTeshugang, 2006
The  structure,strength  and  impact  toughness  of  linepipe  steel  X80-0.04C,1.87Mn,0.27Mo,0.06Nb,  0.006V,0.017Ti were tested and compared with linepipe steel X70.The exarination results showed that as structure of the linepipe  steel X80 was ...
张小立   +6 more
doaj  

Phase field modelling of elastic-plastic fatigue fracture of oil and gas pipeline

open access: yesMaterials Research Express
This paper established a fatigue fracture phase-field model (PFM) to evaluate fatigue damage evolution and crack propagation in oil and gas pipeline.
Zhen Wang   +6 more
doaj   +1 more source

Ductile-to-brittle transition behavior and determination method in X80 pipeline girth welds utilizing the master curve method

open access: yesHanjie xuebao
The fracture toughness distribution of X80 high-strength pipeline steel girth welds in the ductile-to-brittle transition region was systematically studied using the master curve method. According to ASTM E1921-97 Standard Test Method for Determination of
Baoming GONG   +5 more
doaj   +1 more source

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