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An ultrasonic thickness gauge is a measuring instrument for the non-destructive investigation of a material's thickness using ultrasonic waves. The usage of an ultrasonic thickness gauge for non-destructive testing to check material properties such as thickness measurement, is regular in all areas of industrial measurements.
Corrosion mapping by ultrasonics is a nonintrusive (noninvasive) technique which maps material thickness using ultrasonic techniques. Variations in material thickness due to corrosion can be identified and graphically portrayed as an image. The technique is widely used in the oil and gas industries for the in-service detection and ...
ISO 2400: Non-destructive testing - Ultrasonic testing - Specification for calibration block No. 1 (2012) ISO 7963: Non-destructive testing — Ultrasonic testing — Specification for calibration block No. 2 (2006) ISO 10863: Non-destructive testing of welds -- Ultrasonic testing -- Use of time-of-flight diffraction technique (TOFD) (2011)
There are millions of dollars of ultrasonic equipment in the field and on the market that are used as thickness gauges and density meters. When terahertz nondestructive evaluation is fully commercialized into a more portable form, and becomes less expensive it will be able to replace the ultrasonic instruments for structural plastic , ceramic ...
Laser-ultrasonics uses lasers to generate and detect ultrasonic waves. [1] It is a non-contact technique used to measure materials thickness, detect flaws and carry out materials characterization. The basic components of a laser-ultrasonic system are a generation laser, a detection laser and a detector.
Am-241: Backscatter gauges, smoke detectors, fill height and ash content detectors. Sr-90: Thickness gauging for thick materials up to 3 mm. Kr-85: Thickness gauging for thin materials like paper, plastics, etc. Cs-137: Density and fill height level switches. Ra-226: Ash content; Cf-255: Ash content; Ir-192: Industrial radiography