SYMPOSIA PAPER Published: 01 January 1965

The Important Materials Parameters Affecting the Performance of Nuclear Reactor Pressure Vessels


The two failure mechanisms of most concern in nuclear reactor pressure vessels are brittle fracture and low-cycle fatigue. Steel selection and fabrication history determine the properties of the vessel prior to service. The ability to detect defects incident to vessel fabrication is an important factor in fracture consideration. Suggestions are made relative to an engineered selection of nondestructive-test requirements dependent on stress level.

Author Information

Wylie, R., D.
Southwest Research Inst., San Antonio, Tex.
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Developed by Committee: E10
Pages: 438–450
DOI: 10.1520/STP43545S
ISBN-EB: 978-0-8031-6007-1
ISBN-13: 978-0-8031-6161-0