Stress strain curves for the brittle materials, Mechanical Engineering

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Stress strain curves for the brittle materials:

Stress strain curves for the brittle materials : Materials which show small elongation before they fracture are called as brittle materials. The shape of curve for high carbon steel is shown in the figure given below and is typical of many brittle materials like G.I, concrete and high strength light alloys. For most of the brittle materials the permanent elongation (that is, increase in length) is less than 10percent.

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