Research Article
Research on Material Selection Method and Brittle Fracture Mechanism of High-Pressure Pipeline
Figure 12
Average equivalent stress σa-average equivalent plastic strain εa curves of the middle section of X80 pipeline with different wall thicknesses during fracture. (a) X80 pipeline with 30 mm wall thickness. (b) X80 pipeline with 45 mm wall thickness. (c) X80 pipeline with 53 mm wall thickness. (d) X80 pipeline with 60 mm wall thickness. (e) X80 pipeline with 90 mm wall thickness. (f) X80 pipeline with 120 mm wall thickness.
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