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Acoustic emission for detection and monitoring of crack initiation and propagation in materials
Acoustic emission for detection and monitoring of crack initiation and propagation in materials
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机译:声发射,用于检测和监测材料中的裂纹萌生和扩展
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摘要
Initiation and propagation of cracks in materials is detected and monitored by (a) adhering an acoustical emitter to the area of the material to be monitored, and (b) monitoring for acoustical signals emitted by the adhered emitter, said signals produced by cracks in the material initiating in or propagating into the acoustical emitter. An acoustical emitter such as brittle plastic, glass rods or strips and metal such as tin or cadmium can be used.
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