Assessment of Weld Heat-Affected Zones in a Reactor Vessel Material

[+] Author and Article Information
T. U. Marston

Electric Power Research Institute, Palo Alto, Calif.

W. Server

Fracture Control Corporation, Goleta, Calif.

J. Eng. Mater. Technol 100(3), 267-271 (Jul 01, 1978) (5 pages) doi:10.1115/1.3443489 History: Received April 03, 1978; Revised May 04, 1978; Online August 17, 2010


The mechanical properties of weld heat-affected zones (HAZ’s) associated with the heavy section, nuclear quality weldments are evaluated and found to be superior to those of the parent base material. The nil ductility transition temperature (NDTT), Charpy impact and static and dynamic fracture toughness properties of a HAZ associated with a submerged arc weld and one associated with a manual metal arc weld are directly compared with those of the parent base material. It is concluded that the stigma normally associated with HAZ is not justified for this grade and quality of material and weld procedure.

Copyright © 1978 by ASME
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