Sökning: "Ultraljudsmätning av klämkraft"
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1. Simulation of ultrasonic time of flight in bolted joints
Master-uppsats, KTH/HållfasthetsläraSammanfattning : Ultrasonic measurements of the preload in bolted joints is a very accurate method since it does not depend on the friction and other factors which cause difficulties for common methods. The ultrasonic method works by emitting an ultrasonic pulse into the bolt which is reflected at the end and returned to the transducer, the change in the time of flight (TOF) can be related to the elongation of the bolt and therefore the preload. LÄS MER
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