A novel understanding of dislocation density effect on the corrosion resistance of 316L stainless steel with passive film nucleation growth kinetic calculation
IF 7.4 1区 材料科学Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Zhichao Che , Hui Xue , Jing Liu , Xun Zhou , Wei Liu , Shufeng Yang , Yuzhou Du , Xuequn Cheng , Xiaogang Li , Chao Liu
{"title":"A novel understanding of dislocation density effect on the corrosion resistance of 316L stainless steel with passive film nucleation growth kinetic calculation","authors":"Zhichao Che , Hui Xue , Jing Liu , Xun Zhou , Wei Liu , Shufeng Yang , Yuzhou Du , Xuequn Cheng , Xiaogang Li , Chao Liu","doi":"10.1016/j.corsci.2025.112810","DOIUrl":null,"url":null,"abstract":"<div><div>This work illustrates the relationship between dislocation density and corrosion resistance of 316L stainless steel based on passive film nucleation growth kinetics calculations. Contrary to previous reports, the increase in high dislocation density zones is an important feature associated with the passivation behaviour of stainless steel. With the expansion of the high dislocation density region, the passivation current density decreases from 1.48 × 10<sup>−5</sup> A·cm<sup>−2</sup> to 1.35 × 10<sup>−7</sup> A·cm<sup>−2</sup>, and the corrosion resistance of the stainless steel increases. The results of TEM showed that the thickness of the passive film increased from 3 ∼ 4 nm to 6 ∼ 7 nm after 72 h of immersion after the dislocation density was increased. Based on the laboratory results, a theoretical validation was carried out by means of a computational model of passive film nucleation and growth kinetics. The results show that the number of nucleation sites can be increased by increasing the dislocation density, resulting in faster passive film growth. Te and La improve the stability of the passive film mainly by hindering the dissolution of the elements. La does not exist stably in the passive film but can be preferentially deposited to increase the nucleation sites to promote the growth of the passive film.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112810"},"PeriodicalIF":7.4000,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Corrosion Science","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0010938X25001374","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
This work illustrates the relationship between dislocation density and corrosion resistance of 316L stainless steel based on passive film nucleation growth kinetics calculations. Contrary to previous reports, the increase in high dislocation density zones is an important feature associated with the passivation behaviour of stainless steel. With the expansion of the high dislocation density region, the passivation current density decreases from 1.48 × 10−5 A·cm−2 to 1.35 × 10−7 A·cm−2, and the corrosion resistance of the stainless steel increases. The results of TEM showed that the thickness of the passive film increased from 3 ∼ 4 nm to 6 ∼ 7 nm after 72 h of immersion after the dislocation density was increased. Based on the laboratory results, a theoretical validation was carried out by means of a computational model of passive film nucleation and growth kinetics. The results show that the number of nucleation sites can be increased by increasing the dislocation density, resulting in faster passive film growth. Te and La improve the stability of the passive film mainly by hindering the dissolution of the elements. La does not exist stably in the passive film but can be preferentially deposited to increase the nucleation sites to promote the growth of the passive film.
期刊介绍:
Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies.
This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.