Fig. 3From: Hydrogen embrittlement behavior of Ni-Ti shape memory alloy with different microstructures in acidic fluoride solutionTypical stress-strain curves of a non-immersed specimen and specimens immersed for b 2Â h, c 4Â h, and d 6Â h in 0.2Â % APF solution and e tensile strength of non-immersed and immersed specimens as a function of immersion timeBack to article page