Abstract
Experience shows that when a straight bar (or wire, cable, rubber band or the like) is subjected to a tensile axial force, it stretches and, as the force is increased, eventually breaks. Depending on the material of which the bar is made, the bar may or may not undergo a considerable amount of permanent elongation, with relatively little resistance, before it breaks. The onset of this elongation is known as yielding , and a material that allows it is called ductile . These properties will be discussed further in Chap. 11
Keywords
Shear Stress Normal Stress Principal Stress Stress Component Incline Plane
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© Springer International Publishing Switzerland 2017