{"title":"生物碳改性硅酸镁氢氧化物可增强还原效应，从而获得更好的摩擦学性能","authors":"Rongqin Gao , Wenbo Liu , Qiuying Chang","doi":"10.1016/j.wear.2024.205479","DOIUrl":null,"url":null,"abstract":"<div><p>In this study, the reducibility from silicate minerals is determined and its effect on their tribological properties as lubricant additive is introduced firstly with magnesium silicate hydroxide (MSH) and biocarbon-modified magnesium silicate hydroxide (MSH@C) as operating medium. The differentiated reduction effects induced by MSH and MSH@C are clarified through worn surface analysis, and related tribological tests are conducted on a four-ball machine under different conditions. Results show that biocarbon surface-coating on MSH will enhance the reducibility of MSH and results in better lubrication performance (wear reduced by 10.487 % and friction reduced by 11.321 % under boundary lubrication while wear reduced by 16.566 % and friction reduced by 33.871 % under mixed lubrication compared with MSH) by reducing Fe<sub>2</sub>O<sub>3</sub> to Fe<sub>3</sub>O<sub>4</sub> more effectively on worn surfaces. Besides, the reduction mechanisms of MSH and MSH@C on iron oxides are explained.</p></div>","PeriodicalId":23970,"journal":{"name":"Wear","volume":null,"pages":null},"PeriodicalIF":5.3000,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Enhanced reducing effect induced by biocarbon-modified magnesium silicate hydroxide for better tribologicalproperties\",\"authors\":\"Rongqin Gao , Wenbo Liu , Qiuying Chang\",\"doi\":\"10.1016/j.wear.2024.205479\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>In this study, the reducibility from silicate minerals is determined and its effect on their tribological properties as lubricant additive is introduced firstly with magnesium silicate hydroxide (MSH) and biocarbon-modified magnesium silicate hydroxide (MSH@C) as operating medium. The differentiated reduction effects induced by MSH and MSH@C are clarified through worn surface analysis, and related tribological tests are conducted on a four-ball machine under different conditions. Results show that biocarbon surface-coating on MSH will enhance the reducibility of MSH and results in better lubrication performance (wear reduced by 10.487 % and friction reduced by 11.321 % under boundary lubrication while wear reduced by 16.566 % and friction reduced by 33.871 % under mixed lubrication compared with MSH) by reducing Fe<sub>2</sub>O<sub>3</sub> to Fe<sub>3</sub>O<sub>4</sub> more effectively on worn surfaces. Besides, the reduction mechanisms of MSH and MSH@C on iron oxides are explained.</p></div>\",\"PeriodicalId\":23970,\"journal\":{\"name\":\"Wear\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":5.3000,\"publicationDate\":\"2024-07-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Wear\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0043164824002448\",\"RegionNum\":1,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, MECHANICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Wear","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0043164824002448","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}
Enhanced reducing effect induced by biocarbon-modified magnesium silicate hydroxide for better tribologicalproperties
In this study, the reducibility from silicate minerals is determined and its effect on their tribological properties as lubricant additive is introduced firstly with magnesium silicate hydroxide (MSH) and biocarbon-modified magnesium silicate hydroxide (MSH@C) as operating medium. The differentiated reduction effects induced by MSH and MSH@C are clarified through worn surface analysis, and related tribological tests are conducted on a four-ball machine under different conditions. Results show that biocarbon surface-coating on MSH will enhance the reducibility of MSH and results in better lubrication performance (wear reduced by 10.487 % and friction reduced by 11.321 % under boundary lubrication while wear reduced by 16.566 % and friction reduced by 33.871 % under mixed lubrication compared with MSH) by reducing Fe2O3 to Fe3O4 more effectively on worn surfaces. Besides, the reduction mechanisms of MSH and MSH@C on iron oxides are explained.
期刊介绍：
Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.
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