Consider a single crystal of BCC iron oriented such that tensile stress is applied along a [010] direction. Compute the resolved shear stress along a (110) plane and in a [1⃑ 1 1] direction when a tensile stress of 50 MPa is applied. If Slip occurs on a (110) plane and in a [1⃑ 1 1] direction and the critical resolved shear stress is 25 MPa, calculate the magnitude of the applied tensile stress necessary to initiate yielding.

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Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.