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Effect of grain ultra-refinement on corrosion behavior of ultra-high strength high nitrogen stainless steel
Zhang, H.; Xue, P.; Wu, L. H.; Song, Q. N.; Wang, D.; Xiao, B. L.; Ma, Z. Y.
2020-09-01
Source PublicationCORROSION SCIENCE
Volume174
AbstractHigh-performance high nitrogen stainless steel (HNS) with ultra-high strength up to similar to 1.7 GPa and excellent corrosion resistance was successfully obtained by friction stir processing. The simultaneous enhancement in strength and corrosion resistance was mainly attributed to the grain ultra-refinement. Uniform ultrafine-grained microstructure (similar to 225 nm) significantly improved the repassivation behavior of HNS. With significantly increased element diffusion rate and element content, the passive film formed on the ultrafine-grained HNS showed high resistance to the nucleation and growth of pits. Grain ultra-refinement was confirmed to be an effectual method for improving corrosion resistance of HNS without sacrificing strength.
DOI10.1016/j.corsci.2020.108847
WOS IDWOS:000569362400002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82565
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang, H.,Xue, P.,Wu, L. H.,et al. Effect of grain ultra-refinement on corrosion behavior of ultra-high strength high nitrogen stainless steel[J]. CORROSION SCIENCE,2020,174.
APA Zhang, H..,Xue, P..,Wu, L. H..,Song, Q. N..,Wang, D..,...&Ma, Z. Y..(2020).Effect of grain ultra-refinement on corrosion behavior of ultra-high strength high nitrogen stainless steel.CORROSION SCIENCE,174.
MLA Zhang, H.,et al."Effect of grain ultra-refinement on corrosion behavior of ultra-high strength high nitrogen stainless steel".CORROSION SCIENCE 174(2020).
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