draw the stress strain graph of a load wire and mark elastic limit, proportional unit, elastic region, plastic region
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In the region OA, the graph is linear showing that stress is proportional to the strain. Thus, in this region Hooke's law is obeyed.
The point D on the graph is known as ultimate tensile strength.
The point E on the graph is known as fracture point,
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In the region OA, the graph is linear showing that stress is proportional to the strain. Thus, in this region Hooke's law is obeyed.
The point D on the graph is known as ultimate tensile strength.
The point E on the graph is known as fracture point,
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