The article presents the application of the acoustic emission (AE) technique for detecting crack initiation and examining the crack growth process in steel used in engineering structures.The tests were carried out on 40CrMo steel specimens with a single edge notch in bending (SENB).In the tests crack opening displacement,force parameter,and potential drop signal were measured.Some results are removed in response to a notice of local law requirement.For more information,please see here.12345Next
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