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Standard Practice for Crack Detection Using Vibroacoustic Thermography
Automaticky přeložený název:
Standardní postup DEFEKTOSKOPIE Použití vibroakustických Termografie
NORMA vydána dne 1.4.2016
Označení normy: ASTM E3045-16
Poznámka: NEPLATNÁ
Datum vydání normy: 1.4.2016
Kód zboží: NS-636160
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
ICS Number Code 19.100 (Non-destructive testing)
1. Scope | ||||||||||||||||||||
1.1 Purpose—This practice covers procedures required to conduct an examination of components using vibroacoustic thermography. 1.2 Application—The vibroacoustic thermography process has been used for component inspections in the aircraft, power generation, automotive, and other industries for testing new and serviced components, both coated and uncoated. Current applications are mostly targeting metallic components, but composite and ceramic component applications are under development. 1.3 Background—Vibroacoustic thermography is a new technique within the area of active thermography. The technique was first published by Henneke, et al. in 1979 (Note 1: Vibroacoustic thermography is typically sensitive to tight planar defects (Note 2: Vibroacoustic thermography is a surface examination but has demonstrated detection sensitivity for subsurface defects including back wall defects for thin components (4), (5). Care should be taken when developing vibroacoustic thermography for the detection of subsurface defects. 1.4 Warning—Vibroacoustic thermography requires the energization of the test article with vibrational energy. During energization, the complete component may be excited with vibroacoustic (vibration) energy for as long as several seconds. The development of this test for a new application requires special measurements, precautions and attention to component response. The component design engineer and the NDE engineering specialist, knowledgeable of this technique should be satisfied that the test will not cause damage or reduction of service life. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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