Effects of Ce on inclusions and corrosion resistance of low-nickel austenite stainless steel
作者： G.-J. Cai , C.-S. Li
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摘要: Effects of Ce on the corrosion resistance low-nickel austenite stainless steel containing from 0.005 to 0.022 wt% were investigated in 3.5 wt% NaCl solution, 5 wt% H2SO4 1 mol/L NaHCO3 and 0.5 mol/L Na2CO3 solution. The results demonstrate that addition forms multi-phase inclusions CeAlO3 Ce2O2S can prevent corrosion. steels increases owing metamorphic improvement electrode potential matrix. pitting originates defects passive film or then continues expand, deteriorating resistance. EIS measurements indicate with exhibit higher Rp values than without Ce, which demonstrates relative is accompanied by an increasing addition. AISI 202 0.016 wt% mass fraction has best
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