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FABRICATION OF A ZIRCALOY-2 IN-PILE PRESSURE TUBE

Journal Article · · Metal Progr.
OSTI ID:4177697
Techniques used in the fabrication of a Zircaloy-2 inpile pressure tube proposed for high temperature testing are discussed. A 968-lb. ingot was heated to 1800 deg F in a salt bath, then extruded using a mandrel faced with Stellite and a split, hot-work tool-steel die. Following extrusion, the machining was done by the Naval Gun Factory to the final dimensions II)-3.132 in., OD-4.525 in., and 22.375-ft long. Radiographic, fluorescent dye penetrant, and ultrasonic tests revealed no defects. The end cap und head assembly was welded on the tube in a helium atmosphere. Corrosion and mechanical tests were performed on samples of the ingot taken during the extrusion to determine the inherent characteristics of the finished tube. (B.O.G.)
Research Organization:
Westinghouse Electric Corp., Pittsburgh
NSA Number:
NSA-14-011958
OSTI ID:
4177697
Journal Information:
Metal Progr., Journal Name: Metal Progr. Vol. Vol: 77, No. 4
Country of Publication:
Country unknown/Code not available
Language:
English