Abstract:Slow strain rate tensile (SSRT) experiments were applied to comprehensively examine the strain rate susceptibility of the stress corrosion cracking behaviour of commercial Zr702 used in the spent nuclear fuel reprocessing environment. Results revealed that layers formed on Zr702 in boiling HNO 3 solutions was composed of monoclinic ZrO 2 (m-ZrO 2 ) and tetragonal ZrO 2 (t-ZrO 2 ). With strain rates above 10 −4 s −1 , oxide layers ruptured rapidly, evidenced by the drop down of opened circuit potential (OCP). H… Show more
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