Wear crack characterization by photothermal radiometry

After demonstrating recently the possibilities of scanning photothermal radiometry for wear crack detection (Bodnar et al., J. Phys. IV, 4 (1994) 591–594), we now study its possibilities for dimensional characterization of these kinds of flaws. In this respect, we present here the results obtained f...

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Veröffentlicht in:	Wear 1996-08, Vol.196 (1), p.54-59
Hauptverfasser:	Bodnar, J.L., Egée, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysing. Testing. Standards Applied sciences Crack characterization Engineering Sciences Exact sciences and technology Flying spot radiometry Fundamental areas of phenomenology (including applications) Infrared microscopy Measurement and testing methods Measurement methods and techniques in continuum mechanics of solids Metallic materials Metals. Metallurgy Non-destructive testing Nondestructive testing Photothermal radiometry Physics Solid mechanics Structural and continuum mechanics Testing for defects
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Zusammenfassung:	After demonstrating recently the possibilities of scanning photothermal radiometry for wear crack detection (Bodnar et al., J. Phys. IV, 4 (1994) 591–594), we now study its possibilities for dimensional characterization of these kinds of flaws. In this respect, we present here the results obtained from our study of two types of emerging cracks, i.e. thin and shallow cracks in samples with a reflecting surface as well as wider and deeper cracks in samples with an absorbing surface.
ISSN:	0043-1648 1873-2577
DOI:	10.1016/0043-1648(95)06837-6