Fig. 8From: Hydrogen embrittlement behavior of Ni-Ti shape memory alloy with different microstructures in acidic fluoride solutionSEM micrographs of typical fracture surfaces of a non-immersed specimen A and magnified views of b center and c outer parts in a, and d specimen A immersed in 0.2 % APF solution for 4 h and magnified views of e center and f outer parts in d Back to article page