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2. Ultrasonic thickness measurement - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_Thickness...

   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.

3. List of ISO standards 2000–2999 - Wikipedia

   en.wikipedia.org/wiki/List_of_ISO_standards_2000...

   ISO 2400:2012 Non-destructive testing — Ultrasonic testing — Specification for calibration block No. 1; ISO 2401:2018 Welding consumables — Covered electrodes — Determination of the efficiency, metal recovery and deposition coefficient

4. Ultrasonic testing - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_testing

   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)

5. List of ISO standards 3000–4999 - Wikipedia

   en.wikipedia.org/wiki/List_of_ISO_standards_3000...

   ISO 3670:1979 Blanks for plug gauges and handles (taper lock and trilock) and ring gauges — Design and general dimensions [Withdrawn without replacement] ISO 3671:1976 Plastics — Aminoplastic moulding materials — Determination of volatile matter; ISO 3672 Plastics — Unsaturated-polyester resins (UP-R) ISO 3672-1:2000 Part 1: Designation ...

6. Guided wave testing - Wikipedia

   en.wikipedia.org/wiki/Guided_wave_testing

   The frequency used in the inspection depends on the thickness of the structure, but guided wave testing typically uses ultrasonic frequencies in the range of 10 kHz to several MHz. Higher frequencies can be used in some cases, but detection range is significantly reduced.

7. Terahertz nondestructive evaluation - Wikipedia

   en.wikipedia.org/wiki/Terahertz_nondestructive...

   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 ...