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28 April, 03:41

A 10 cm long tensile specimen with a yield stress of 350 MPa is pull to a stress of 300 MPa and then the load is released. What is the length of the specimen after the load is released?

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  1. 28 April, 06:54
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    The length of the specimen after the load is released is 11.67 cm

    Explanation:

    Given;

    yield stress, Y = 350 MPa

    ultimate tensile stress, T = 300 MPa

    Elongation factor, e = yield stress, Y / ultimate tensile stress, T

    Elongation factor, e = 350 Mpa / 300 Mpa

    Elongation factor, e = 1.1667

    New length of the specimen = 1.1667 x 10 cm = 11.67 cm

    Therefore, when the load is released from 10 cm long tensile specimen, the length of the specimen becomes 11.67 cm
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