1.introduction
Acoustic Emission(AE) is a kind of dynamic and nondestructive testing technique, namely test nondestructively while the inside structure defect of the component or the material or the potential defect change in sports. The characteristic of AE testing technique is that the object being tested can capably take part in the testing course, it utilizes the object internal defect to emit sound waves under the function of external force, then we can receive the position and situation of ...
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