漏洩磁束探傷法を用いたき裂位置測定について

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  • Measurement of Crack Position Using the Magnetic Leakage Flux Method

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<p>In the soundness and safety assessment based on fracture mechanics of equipment and a structure, the nondestructive evaluation of a crack is indispensable. In recent years, various the evaluation method is also developed and studied with remarkable progress of a sensor. An inspection method magnetic also in nondestructive evaluation is an effective inspection method from being safe and being able to automate. In this research, a possibility that the position of crack can be measured was considered by against a rotating test piece of measuring the magnetic flux leakage using the hole sensor. As a result, it is possible to measure position of crack of 2.6mm or more by two-dimensional distribution of magnetic flux leakage.</p>

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