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Jin Xu and Guang-Ping Zhang Fatigue Damage Behavior of Freestanding 40 µm-Thick Nickel Foils for MEMS Applications Advanced Engineering Materials 15

Version of Record online: 15 FEB 2013 | DOI: 10.1002/adem.201200264

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There is an evident difference in fatigue behavior of freestanding 40 µm-thick Ni foils loaded normal to and parallel to the rolling direction. An EBSD analysis reveals that fatigue cracking along grain boundaries (GBs) or slip bands in the foils depends on the difference in Schmid factor of the grains along GBs and the misorientation angle of the GB. A model is proposed to understand the fatigue damage mechanism.

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