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  2. Thermographic inspection - Wikipedia

    en.wikipedia.org/wiki/Thermographic_inspection

    When compared with other classical NDT techniques such as ultrasonic or radiographic testing, thermographic inspection is safe, nonintrusive, and usually noncontact, allowing the detection of relatively shallow subsurface defects (a few millimeters in depth) under large surfaces (typically covering an area of 30 by 30 cm (12 by 12 in) at once, although inspection of larger surfaces is possible ...

  3. Active thermography - Wikipedia

    en.wikipedia.org/wiki/Infrared_non-destructive...

    Active thermography is an advanced nondestructive testing procedure, which uses a thermographic measurement of a tested material thermal response after its external excitation. This principle can be used also for non-contact [1] infrared non-destructive testing (IRNDT) of materials. [2]

  4. Nondestructive testing - Wikipedia

    en.wikipedia.org/wiki/Nondestructive_testing

    NDT is divided into various methods of nondestructive testing, each based on a particular scientific principle. These methods may be further subdivided into various techniques . The various methods and techniques, due to their particular natures, may lend themselves especially well to certain applications and be of little or no value at all in ...

  5. Infrared and thermal testing - Wikipedia

    en.wikipedia.org/wiki/Infrared_and_thermal_testing

    Inset shows false color infrared thermograph of a roof on a sunny day; the white surfaces (colored blue in the thermograph) have been coated with an elastomer to reduce solar loading and have a surface temperature of approximately 60 °F (16 °C); the gray surfaces (colored red/white in the thermogram) are a standard asphalt (bitumen) coating and have a surface temperature of approximately 160 ...

  6. Condition monitoring - Wikipedia

    en.wikipedia.org/wiki/Condition_monitoring

    Condition monitoring techniques are normally used on rotating equipment, auxiliary systems and other machinery like belt-driven equipment, (compressors, pumps, electric motors, internal combustion engines, presses), while periodic inspection using non-destructive testing (NDT) techniques and fit for service (FFS) [1] evaluation are used for ...

  7. Mortgage and refinance rates for Dec. 17, 2024: Average ... - AOL

    www.aol.com/finance/mortgage-and-refinance-rates...

    See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.

  8. Eddy-current testing - Wikipedia

    en.wikipedia.org/wiki/Eddy-current_testing

    Frost & Sullivan analysis in the global NDT equipment market in 2012 estimated the magnetic and electromagnetic NDT equipment market at $220 million, which includes conventional eddy current, magnetic particle inspection, eddy current array, and remote-field testing. This market is projected to grow at 7.5% compounded annual growth rate to ...

  9. Texans WR Nico Collins says NFL fined him for tossing TD ball ...

    www.aol.com/sports/texans-wr-nico-collins-says...

    Texans wide receiver Nico Collins saw a fan in the stands and tossed him a football following a Nov. 24 touchdown against the Titans. The move earned him a fine by the NFL.