Failure Analysis of Cracked Head Spray Piping from the Dresden Unit 2 Boiling Water Reactor
Description:
Several sections of Type 304 stainless steel head spray piping, 6.25 cm (2.5 in.) in diameter, from the Dresden Unit 2 Boiling Water Reactor were examined to determine the nature and causes of coolant leakages detected during hydrostatic tests. Extensive pitting was observed on the outside surface of the piping, and three cracks, all located at a helical stripe apparently rubbed onto the outer surface of the piping, were also noted. Metallographic examination revealed that the cracking had init…
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Date:
July 1983
Creator:
Diercks, D. R. & Dragel, Gabriel M.
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department