A Non-Destructive Crack Detection Technique Using Vibration

Mohd Kasmie, Abdul Halim (2009) A Non-Destructive Crack Detection Technique Using Vibration. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project is carried out to study about crack detection on the material by using vibration technique. Main objective of this study to find out the effect of impact force to the different material and contact time, identify effect of composition material to the structure, trace the crack location and behavior of crack on the specimen. The specimens that will be used in this study are copper type and mild steel type. Both types of specimens will be test with hardness tester machine to obtain the characteristic material that was chooses. Crack detection technique by using non destruction method namely vibration will be applied to the specimens. Impact force will be applied to the specimen to obtain the impact force data. This study will make comparison between a good specimen as reference and crack specimen in edge of displacement of impact force and FFT analyzer also will be used to make comparison in edge of natural frequency. After that, visual inspection to the specimen will be carrying out by using magnifying glass. This study is follow by comparison with the result from ultrasonic testing. All the results both types of specimens will be discuss in depth.

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