A procedure to calculate the yield strength and the ultimate tensile strength of the material. The procedure begins with a specially prepared specimen, usually 8 inches long and with a 0.50-inch reduced section in the middle. The specimen is put into a machine which grips the ends and then pulls the specimen apart. As the machine does this, it measures the load required to make the material go from the elastic to plastic deformation and the load required to actually break the material.
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From the Web: Luring a $100 million facility; R2D2; fab lab; and metals make American manufacturing - by Vicki Bell Web articles for fabricators—Ohio community hoping to land metal fabricating plant; fabricated R2D2 rolls into Comic Con; FMA, Harper College collaborate on fab lab; Pittsburgh (and 11 other U.S. cities) poised for manufacturing growth; and 3-D printing and the Cardinals
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