Accession Number : AD0291827

Title :   FORMATION OF ALUMINA WHISKERS

Corporate Author : WATERTOWN ARSENAL LABS MASS

Personal Author(s) : KLIMAN,MORTON I.

Report Date : NOV 1962

Pagination or Media Count : 1

Abstract : AD-291 828LDiv. 14, 4U 9tistm/odn0 watertown Arsenal Labs., Mass. OXIDATION OF SEVERAL COMMERCIAL-GRADE GRAPHITES AT ELEVATED TEMPERATURES. Technical rept. on Materials for olid Propellant Rocket Motors, by Milton Levy and Philip Wong. Nov 62, 19p. incl. illus. tables (Technical rept. no. WAL TR 851.4/2) (DA Proj. 59332008) Unclassified report Notice: Only government agencies may request from ASTIA. Others request approval of Watertown Arsenal Labs., Mass. Attn: AMXMR-LXM. DESCRIPTORS: *Graphite, *High temperature research, *R EFRACTORY MATERIALS, xidation, Materials, Energy, Data, Temperature, Carbon, Chemical properties, Guided missiles, Re action kinetics. The oxidation characteristics of the commercially available graphites, Speer Carbon Company Grades 580 and 7100 and Great Lakes Carbon Corporation H3LM and H1LM, were investigated for a series of temperatures between 1000 F and 155 F. The technique used permitted the continuous and automatic rec rding of oxidation rate. Oxidation-rate constants were calculated for each material at 1000 F, 1250 F, 1350 F, 1450 F, and 1550 . Activation energies r each material were also calculated. The data were consistent with other reported data for commercial, natural, and p re artificial graphite . (Author)

Descriptors :   *ALUMINUM COMPOUNDS, *CERAMIC FIBERS, *OXIDES, ELASTIC PROPERTIES, FIBERS, GROWTH(PHYSIOLOGY), MECHANICAL PROPERTIES, PRODUCTION, SINGLE CRYSTALS

Distribution Statement : APPROVED FOR PUBLIC RELEASE