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U.S. Department of Energy
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Characteristics of the Zircaloy-4 tubing in LWBR fuel rods. (LWBR Development Program)

Technical Report ·
OSTI ID:5605022

This report compares the required and actual chemical, physical, and metallographic properties of the tubing used in the manufacture of fuel rods for the Light Water Breeder Reactor (LWBR) at Shippingport, Pennsylvania. The processing of the low hafnium content Zircaloy-4 ingots into tube reduced seamless tubing is described, including some innovative practices used to meet certain requirements for LWBR which are not normally specified but have potential applicability to other reactors. Information is presented that relates the tube properties to the specific fabrication sequence and to the individual test technique used to generate the data.

Research Organization:
Bettis Atomic Power Lab., West Mifflin, PA (USA)
DOE Contract Number:
EY-76-C-11-0014
OSTI ID:
5605022
Report Number(s):
WAPD-TM-869
Country of Publication:
United States
Language:
English