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Acousto-thermal microstructure characterization

 
: Meyendorf, N.; Rösner, H.; Frouin, J.; Maurer, J.; Sathish, S.

Thompson, D.O.:
Review of Progress in Quantitative Nondestructive Evaluation. 22A : Bellingham, Washington, 14 - 19 July 2002
Melville, NY: AIP, 2003 (AIP Conference Proceedings 657)
ISBN: 0-7354-00117-9
S.517-524
Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE) <29, 2002, Bellingham/Wash.>
Englisch
Konferenzbeitrag
Fraunhofer IZFP ()
microstructure

Abstract
The paper shows that the acousto-thermal principal is capable of characterizing microstructure changes due to fatigue in Ti-6A1-V4. The results are discussed in terms of internal friction and compared to low frequency, high stress thermographic characterization and nonlinear acoustics. The dislocation structure of the fatigued titanium alloy was characterized by transmission electron microscopy.

: http://publica.fraunhofer.de/dokumente/N-19754.html