Engineering, 16.03.2020 20:09 skatingflower

If a steel cylindrical specimen is stressed nominally to 65 MPa, what stress level exists at the tip of an elliptical surface flaw, whose length is 6.3 microns and radius of curvature is 1,066 nanometers ? Answer Format: X (no decimal) Unit: MPa Aside: You should be asking yourself if this magnified stress is a big deal or not ... Note that the yield strength of a typical low-carbon ductile steel is around 250 MPa.

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If a steel cylindrical specimen is stressed nominally to 65 MPa, what stress level exists at the tip...