The acrylic polymer from which Figure 7-30 was obtained is subjected to an alternating stress between 15

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The acrylic polymer from which Figure 7-30 was obtained is subjected to an alternating stress between 15 MPa and 0 MPa. The largest surface cracks initially detected by nondestructive testing are 0.001 mm in length. If the critical fracture toughness of the polymer is 2 MPaÏm, calculate the number of cycles required before failure occurs. Let f = 1.0.


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The Science And Engineering Of Materials

ISBN: 9781305076761

7th Edition

Authors: Donald R. Askeland, Wendelin J. Wright

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