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U.S. Department of Energy
Office of Scientific and Technical Information

METALLURGY DIVISION QUARTERLY PROGRESS REPORT FOR PERIOD ENDING JULY 31, 1952

Technical Report ·
DOI:https://doi.org/10.2172/4312293· OSTI ID:4312293

Physicsl Metsllurgy of Reactor Materials. Mechanical properties of a series of Th--C alloys ranging in C content from 0.02 to 0.22% wcre determined. The effect of quenching temperature on the hardness of pure Th was investigated. The effcct of aging temperature on the hardness of Th-- Cr alloys was determined. The effect of quenching temperature on the hardness of Th--Cr--C alloys is given. Data are given on the mechanical properties of Ames Th. The effect of cold work on the recrystallization of Th is described. Reactor Component Fabrication. A picture frame method of Zr cladding of U is described. A method of sealing the sheared edge of Zr clad U plate by edge welding is presented. Zirconium cladding of Th is described. Fundamental Physico-Metallurgical Research. A tentative phase diagram of the Ag--Zr system is prescnted. The preparation of In -- Zr alloys by arc-melting methods is described. (W.L.H.)

Research Organization:
Oak Ridge National Lab., Tenn.
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-26
NSA Number:
NSA-12-005384
OSTI ID:
4312293
Report Number(s):
ORNL-1366(Del.)
Country of Publication:
United States
Language:
English