TY - GEN
T1 - Bending fatigue evaluation of Al6061 alloy by laser-generated surface wave
AU - Nam, Taehyung
AU - Choi, Sungho
AU - Lee, Taehun
AU - Jhang, Kyung Young
AU - Kim, Chungseok
N1 - Copyright:
Copyright 2012 Elsevier B.V., All rights reserved.
PY - 2011
Y1 - 2011
N2 - The bending fatigue of Al6061 alloy has been evaluated by the acoustic nonlinearity of laser-generated surface wave. The surface wave is very attractive for field applications since it enables to pulse and receive signals at the same surface of materials, and has strong acoustic nonlinear effects on the surface. A relative acoustic nonlinear parameter was measured successfully on the surface of fatigue-damaged aluminum 6061 alloy. The results show that the acoustic nonlinear parameter increased with fatigue damage accumulation in relation to dislocation evolution. Consequently, this study suggests that the acoustic nonlinearity technique of a laser-generated surface wave can be potentially used to characterize surface damage resulting from bending fatigue.
AB - The bending fatigue of Al6061 alloy has been evaluated by the acoustic nonlinearity of laser-generated surface wave. The surface wave is very attractive for field applications since it enables to pulse and receive signals at the same surface of materials, and has strong acoustic nonlinear effects on the surface. A relative acoustic nonlinear parameter was measured successfully on the surface of fatigue-damaged aluminum 6061 alloy. The results show that the acoustic nonlinear parameter increased with fatigue damage accumulation in relation to dislocation evolution. Consequently, this study suggests that the acoustic nonlinearity technique of a laser-generated surface wave can be potentially used to characterize surface damage resulting from bending fatigue.
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U2 - 10.4028/www.scientific.net/AMM.83.19
DO - 10.4028/www.scientific.net/AMM.83.19
M3 - Conference contribution
AN - SCOPUS:80052108780
SN - 9783037852217
T3 - Applied Mechanics and Materials
SP - 19
EP - 21
BT - Experimental Mechanics and Materials
T2 - International Conference on Experimental Mechanics 2010, ICEM10
Y2 - 29 November 2010 through 1 December 2010
ER -