Report of the Tests of Metals and Other Materials for Industrial Purposes Made with the United States Testing Machine at Watertown Arsenal, Massachusetts, During the Year Ended ...U.S. Government Printing Office, 1919 - Building materials |
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Common terms and phrases
500 diameters 500X MICROGRAPH Air chilled Annealed June 24 breech end Brinell hardness tests carbon casting cent nitric acid central portion Charpy bars Charpy impact tests Charpy test Charpy value chemical analysis Contrac cracks curve cylinder decarburized dle line elastic limit Elongation Etched with nitric etching with Stead's extensometer F. A. Coppers firing pin Forging AA13A forward end Frankford Arsenal free ferrite furnace graph heat treated heat treatment horizontal mid inches from left Initial compression given laboratory Length given load longitudinal direction Longitudinal section magnified 500 martensitic micro microscopic examination microstructure nonmetallic inclusions obtained pearlitic phosphorus photograph PHYSICAL TESTS pounds per square pounds pounds quenching recuperator forging samples section of barrel shown in micrograph shows the structure sorbitic specimens taken square inch Stead's reagent steel streaks striker TABLE temperature tensile specimens Tensile strength tensile test tion transverse direction transverse tests troosto-sorbitic tube uncompressed Watertown Arsenal Yield point