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Unformatted text preview: [hkl] Critical resolved shear stress, Ï„ c Ï† Î» Ïƒ Ï„ cos cos c c = cos / A cos cos cos cos cos / cos = = = A F A F Example A zinc single crystal is being pulled in tension, with the normal to its basal plan (0001) at 60 degree to the tensile axis and with the slip direction at 40 degree to the tensile axis. (a)What is the resolved shear stress acting in the slip direction when a tensile stress of 0.690 MPa is applied. (b) What tensile stress is necessary to reach the critical resolved shear stress of 0.94MPa [11 2 0] Practice A crystalline grain of iron in a metal plate is situated so that a tensile load is oriented along the [110] crystal direction. If the applied stress is 50 Mpa, what will be the resolved shear stress along the direction within the (101) plane? [11 1 ]...
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 Spring '11
 DaiHattrick
 Cos, Tensile strength, 40 degree, 0.2480nm, 0.2489 nm

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