Abstract
The chief limitation in using beryllium as a structural material, brittleness, is analyzed on the basis of the preferred orientation of slip plandes of single crystals. Solutions to overcome beryllium's lack of ductility, alloying, texture and grain size control, and obtaining high-purity metal, are described and evaluated. Fabrication methods are listed and evaluated with specific regard to the brittleness problem of beryllium. (auth) A review is presented on information published during 1962, both published papers and technical reports, in the field of diffusion in solids. Diffusion mechanisms, solutions of the diffusion equation, diffusion in ternary systems, self- diffusion, diffusion in pure metals and alloys, the effect of strain on diffusion, the effects of temperature and pressure gradients, interfacial diffusion, diffusion in nonmetals, and diffusion in liquids are all included. 138 references are included. (P.C.H.)
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