A characterization of materials was conducted in relation to the terminal@ burst-type@ failure of a PVRC pressure vessel of A212-A (now A515 Gr. 60) steel at 110F. Materials were characterized with respect to chemical composition@ tensile properties@ fracture toughness including Charpy-V and Tear Energies@ Drop-Weight NDT@ micrography and electron fractography. The initiation and growth of a 34-in. long fatigue crack was shown to be caused by mechanical aspects rather than material deficiencies and the plastic-instability burst@ brittle run@ and crack arrest were in complete accord with the Fracture Analysis Diagram.
BULLETIN 126-1967由WRC - Welding Research Council 发布于 1967-11-01,并于 2012-09-24 实施。
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