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Cyclic loading can lead to fatigue damage on the surface or subsurface of a gear tooth. In order to evaluate the contact fatigue damage, this paper applies eddy current pulsed thermography (ECPT) for fatigue damage characterization at different intervals of the loading cycle. The challenging task of fatigue evaluation is one of solving the qualitative microstructure state characterization before microcrack...
One of the most common gear damages is contact fatigue damage, which is difficult to be detected at an early stage. As one of the integrative non-destructive testing and evaluation techniques (NDTE) of eddy current and thermography, eddy current pulsed thermography (ECPT) has been applied for fatigue damage characterization. However, quantitative material state characterization before microcrack initiation...
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