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, 1917 - Building materials
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500 diameters annealing Appearance of fracture Applied loads arsenal austenite Brinell hardness bushing carbon content carbon steel casting chain Charpy tests chemical analysis chromium Concrete building block contraction of area crack defective springs determine Diameter at fracture ductility edge elastic limit end of socket end of splice fracture equals free ferrite furnace cooling gauge length grains graph heat treatment inch equals inch sections inches from end Initial load inner circumference Inside contraction interior investigation laboratory martensite Mass material metal micro microstructure nickel steel oil quenching pearlite phosphorus photograph physical tests piston rod polished polyhedral structure portion pounds per square proof stress proportional limit quenched in oil quenching temperature sample Scleroscope sear spring Sectional area segregation shown in micrograph shows the structure side sorbite square inch Stead's reagent struc surface Tensile strength pounds threads Total pounds triangular structure triangulation troostite ture Watertown Arsenal yield point