REACTOR MATERIALS STUDY. RESEARCH AND DEVELOPMENT OF METAL HYDRIDES. Quarterly Report No. 4 for July 1, 1959 to September 30, 1959

Abstract

Lockland A i r c r a f t R e a c t o r s Operations Office . L 7This Document C o n s i s t s 0 f . g P a g e s NO When Government Drawings, specifications o r other data a r e used f o r any purpose other than in connection with a definitely related Government p r o c u r e m e n t operation, the United States Government t h e r eby incurs no responsibility nor any obligation whatsoever; and the fact that the Government m a y have formulated,furnished, o r in any way supplied the said drawings, specifications, o r other d a t a , i s not t o be r e g a r d e d by implication o r otherwise a s in any m a n n e r licensing the holder o r any other p e r s o n o r corporation, o r conveying any right o r p e r m i s s i o n t o manufacture use o r s e l l any patented invention that m a y in any way be related t h e r e t o .This document m a y not be reproduced o r published in any f o r m in whole o r in p a r t without p r i o r approval of the Government. this is a p r o g r e s s r e p o r t , the information h e r e i n is tentative and subject t o changes, c o r r e c t i o n s , and modifications. determination of the engineering p r o p e r t i e s of v a r i o u s hydrided m a t e r i a l s The p r o p e r t i e s of zirconium hydride have been determined as a function of bath tempe r a t u r e and hydrogen content These p r o p e r t i e s include tensile strength and elongation, t h e r m a l expansion, t h e r m a l conductivity, and heat capacity. t e r m s of the Z r -H phase relations. SinceWork during the Fourth Q u a r t e r was directed p r i m a r i l y toward i Insofar as was possible, these data were interpreted in Studies with selected r a r e e a r t h hydrides f o r use a s neutron shields led t o the devel.opment of titanium-base m a t e r i a l s containing l a r g e amounts of r a r e e a r t h hydride distributed uniformly throughout the m a t r i x . It a p p e a r s that a t r u e s t r u c t u r a l m a t e r i a l of t h i s type c a n be developed.A s u m m a r y of the work accomplished on this p r o g r a m during the p a s t y e a r is a l s o included in this r e p o r t .-4 - LAR-4This document contains information affectin Espionage and Sabotage Acts, Title 18, SeC. any manner to an unauthorized person IS prohi he United States, within the meaning of the smission or the revelation of i t s contents in