Accession Number : AD0255366

Title :   BORIDES OF RARE-EARTH METALS

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : SAMSONOV,G.V.

Report Date : 11 OCT 1960

Pagination or Media Count : 1

Abstract : A review was made of principal propeties and production methods of borides of rare-earth metals and their alloys. It will make possible, in addtion to purely practical results, to raw a number of important theoretical conclusions on the nature of bond in this class of compounds of rare-earth mels and on its effect on chemical and physical properties of their borides. (Athor) D-255 366N1 15 575, 5176, 0876, 5175, 6097, 158, 1523, 1150, 942, 934, 6255, 3589, 4613, 1159, 2003, 6640,ad-255 367iv. 17 (4 May 6) OTS price $11.00Aerospace technial Inteligence Center, Wright-Patterson Air Force Base, Ohio. SEIING OF METALS, by A. P. Semenov. 9 Nov 60, 11p. incl. illus. tables Trans. no. MCL-262 from Skhvatyvaniye Metallov, pp. 46-101 and 231-252, oscow, 1958) Unclassified report DESCRIPTOS: ussr, metls, *Adheion, onding, Welding, Diffuion, Presure, empeure, *Friction, cutting tools, Machining. he phenomenon of the boning or seizing of metals when sbjected to pressre as expeienced with ccretions on cuting tools or with bearing urfaces in machines is discussed. The condions whch fciitate the occurrence of seizing and the corrective ations taken to prevent seizing of metals are reviewed. A number of useful applications of the soid phse joining of metals are analyzed.

Descriptors :   *BORIDES, *RARE EARTH COMPOUNDS, CHEMICAL BONDS, CHEMICAL PROPERTIES, CHEMICAL REACTIONS, CRYSTAL STRUCTURE, ELECTRICAL CONDUCTIVITY, ELECTRICAL PROPERTIES, ELECTRONIC EQUIPMENT, MAGNETIC PROPERTIES, PHYSICAL PROPERTIES, RARE EARTH ELEMENTS, SYNTHESIS, THERMIONIC EMISSION

Distribution Statement : APPROVED FOR PUBLIC RELEASE