WRC 126:1967

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Part 1: Fracture Development and Material Properties in PVRC-Penn State Pressure Vessel

Published By	Publication Date	Number of Pages
WRC	1967	17

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Category: WRC

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Description

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 110°F. 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.

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