The Effect Of Probe Type In Ultrasonic Testing

Muhamad Firdauz, Abd. Rasid (2009) The Effect Of Probe Type In Ultrasonic Testing. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Focus of this project is to investigate the effect of different probe type in Ultrasonic Testing. Although the studies of the effect of probe type in ultrasonic testing is not clearly investigate until now, but some investigations of previous research for probe type is discussed in literature review. Ultrasonic Testing is a part of Non-Destructive Testing (NDT) which is widely used to detect internal defects in the specimen. By using drawing software such as Catia V5R16 and AutoCAD 2007, the test sample for this experiment has been designed. This test sample has been fabricated using CNC 5-Axis Face Milling and EDM Wirecut Machine. Probe types that are used in the experiment are single probe (4MHz), dual probe (4MHz) and 45° angle probe (4MHz). This project observes the outcome between the different types of probes to be used, to the effectiveness of the echo detection to be recorded. Besides that, the test sample consists of two major parts which is to be the pockets and the notch. The result of experiment is the reflected of the sound energy from the probe to the defect. The result for each type of probes has been compared. As the final result, the dual probe (4MHz) has shows the effectiveness in detecting the pockets instead of the single probe (4MHz). For the notch part, the 45° angle probe (4MHz) has shows its capability in detecting the notch. Selection of the correct probe will lead to the found of the defect effectively.

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