Mingmin Zhu , Jing Wang , Yanxiao Zhang , Jie Wang , Qing Xu , Ming Liu
{"title":"矾 2000 CoCrMo 铸造合金在含氟人工唾液中的腐蚀特性","authors":"Mingmin Zhu , Jing Wang , Yanxiao Zhang , Jie Wang , Qing Xu , Ming Liu","doi":"10.1016/j.ijoes.2024.100690","DOIUrl":null,"url":null,"abstract":"<div><p>In order to reveal the effect of fluoride ions (F<sup>−</sup>) on the passive film corrosion resistance and composition of CoCrMo dental prosthesis. The passivity of casting Vitallium 2000 CoCrMo series alloy was systematically studied by adopting electrochemical and surface techniques. The results show that F<sup>−</sup> have a certain effect on the passive film corrosion resistance of casting CoCrMo in oral environment, and the increase of F<sup>−</sup> concentration weakens the passive film corrosion resistance. With the increase of F<sup>−</sup> concentration, the open circuit potential moves negatively, the corrosion current density increases, the polarization resistance decreases, and the defect density in the passive film increases. With the extension of immersion time, the corrosion resistance of alloy will be enhanced and shows: AS > AS + 0.5 wt% NaF > AS + 1 wt% NaF. The addition of F<sup>−</sup> can decrease Co, Cr and Mo peaks sharply and promote the dissolution of the passive film. The result of present study could regulate and guide the application dose of oral fluorine-containing products.</p></div>","PeriodicalId":13872,"journal":{"name":"International Journal of Electrochemical Science","volume":"19 8","pages":"Article 100690"},"PeriodicalIF":1.3000,"publicationDate":"2024-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1452398124002311/pdfft?md5=192e69c48e164c435bfbd05e588ee2a8&pid=1-s2.0-S1452398124002311-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Corrosion characteristic of vitallium 2000 CoCrMo casting alloy in fluoride containing artificial saliva\",\"authors\":\"Mingmin Zhu , Jing Wang , Yanxiao Zhang , Jie Wang , Qing Xu , Ming Liu\",\"doi\":\"10.1016/j.ijoes.2024.100690\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>In order to reveal the effect of fluoride ions (F<sup>−</sup>) on the passive film corrosion resistance and composition of CoCrMo dental prosthesis. The passivity of casting Vitallium 2000 CoCrMo series alloy was systematically studied by adopting electrochemical and surface techniques. The results show that F<sup>−</sup> have a certain effect on the passive film corrosion resistance of casting CoCrMo in oral environment, and the increase of F<sup>−</sup> concentration weakens the passive film corrosion resistance. With the increase of F<sup>−</sup> concentration, the open circuit potential moves negatively, the corrosion current density increases, the polarization resistance decreases, and the defect density in the passive film increases. With the extension of immersion time, the corrosion resistance of alloy will be enhanced and shows: AS > AS + 0.5 wt% NaF > AS + 1 wt% NaF. The addition of F<sup>−</sup> can decrease Co, Cr and Mo peaks sharply and promote the dissolution of the passive film. The result of present study could regulate and guide the application dose of oral fluorine-containing products.</p></div>\",\"PeriodicalId\":13872,\"journal\":{\"name\":\"International Journal of Electrochemical Science\",\"volume\":\"19 8\",\"pages\":\"Article 100690\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2024-06-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.sciencedirect.com/science/article/pii/S1452398124002311/pdfft?md5=192e69c48e164c435bfbd05e588ee2a8&pid=1-s2.0-S1452398124002311-main.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Electrochemical Science\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1452398124002311\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"ELECTROCHEMISTRY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Electrochemical Science","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1452398124002311","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ELECTROCHEMISTRY","Score":null,"Total":0}
引用次数: 0
摘要
为了揭示氟离子(F-)对 CoCrMo 牙科修复体被动膜耐腐蚀性和成分的影响。采用电化学和表面技术对铸造 Vitallium 2000 CoCrMo 系列合金的钝性进行了系统研究。结果表明,F- 对铸造 CoCrMo 在口腔环境中的被动膜耐腐蚀性有一定影响,F- 浓度的增加会减弱被动膜耐腐蚀性。随着 F- 浓度的增加,开路电位负向移动,腐蚀电流密度增大,极化电阻减小,被动膜缺陷密度增大。随着浸泡时间的延长,合金的耐腐蚀性会增强,并表现出以下特点AS > AS + 0.5 wt% NaF > AS + 1 wt% NaF。F- 的加入可使 Co、Cr 和 Mo 的峰值急剧下降,并促进被动膜的溶解。本研究结果可调节和指导口服含氟产品的应用剂量。
Corrosion characteristic of vitallium 2000 CoCrMo casting alloy in fluoride containing artificial saliva
In order to reveal the effect of fluoride ions (F−) on the passive film corrosion resistance and composition of CoCrMo dental prosthesis. The passivity of casting Vitallium 2000 CoCrMo series alloy was systematically studied by adopting electrochemical and surface techniques. The results show that F− have a certain effect on the passive film corrosion resistance of casting CoCrMo in oral environment, and the increase of F− concentration weakens the passive film corrosion resistance. With the increase of F− concentration, the open circuit potential moves negatively, the corrosion current density increases, the polarization resistance decreases, and the defect density in the passive film increases. With the extension of immersion time, the corrosion resistance of alloy will be enhanced and shows: AS > AS + 0.5 wt% NaF > AS + 1 wt% NaF. The addition of F− can decrease Co, Cr and Mo peaks sharply and promote the dissolution of the passive film. The result of present study could regulate and guide the application dose of oral fluorine-containing products.
期刊介绍:
International Journal of Electrochemical Science is a peer-reviewed, open access journal that publishes original research articles, short communications as well as review articles in all areas of electrochemistry: Scope - Theoretical and Computational Electrochemistry - Processes on Electrodes - Electroanalytical Chemistry and Sensor Science - Corrosion - Electrochemical Energy Conversion and Storage - Electrochemical Engineering - Coatings - Electrochemical Synthesis - Bioelectrochemistry - Molecular Electrochemistry