{"title":"液体表面偏析对半固态高压压铸合金F357点蚀行为的影响","authors":"H. Möller, E. Masuku","doi":"10.2174/1876503300902010216","DOIUrl":null,"url":null,"abstract":"Semi-solid metal processing results in liquid segregation at the surface of the components. The pitting behavior of this surface layer of semi-solid metal processed alloy F357 was compared with the centre (or bulk) of cast plates in 3.5% NaCl aqueous solution. It is shown that pitting attack occurs preferentially in the eutectic regions at the interface between silicon particles and the alpha phase in the eutectic. Since the surface liquid segregation layer consists of mainly eutectic, this makes semi-solid metal processed components specially susceptible to pitting corrosion attack.","PeriodicalId":420093,"journal":{"name":"The Open Corrosion Journal","volume":"26 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"15","resultStr":"{\"title\":\"The Influence of Liquid Surface Segregation on the Pitting Corrosion Behavior of Semi-Solid Metal High Pressure Die Cast Alloy F357\",\"authors\":\"H. Möller, E. Masuku\",\"doi\":\"10.2174/1876503300902010216\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Semi-solid metal processing results in liquid segregation at the surface of the components. The pitting behavior of this surface layer of semi-solid metal processed alloy F357 was compared with the centre (or bulk) of cast plates in 3.5% NaCl aqueous solution. It is shown that pitting attack occurs preferentially in the eutectic regions at the interface between silicon particles and the alpha phase in the eutectic. Since the surface liquid segregation layer consists of mainly eutectic, this makes semi-solid metal processed components specially susceptible to pitting corrosion attack.\",\"PeriodicalId\":420093,\"journal\":{\"name\":\"The Open Corrosion Journal\",\"volume\":\"26 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-08-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"15\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Open Corrosion Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2174/1876503300902010216\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Open Corrosion Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2174/1876503300902010216","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The Influence of Liquid Surface Segregation on the Pitting Corrosion Behavior of Semi-Solid Metal High Pressure Die Cast Alloy F357
Semi-solid metal processing results in liquid segregation at the surface of the components. The pitting behavior of this surface layer of semi-solid metal processed alloy F357 was compared with the centre (or bulk) of cast plates in 3.5% NaCl aqueous solution. It is shown that pitting attack occurs preferentially in the eutectic regions at the interface between silicon particles and the alpha phase in the eutectic. Since the surface liquid segregation layer consists of mainly eutectic, this makes semi-solid metal processed components specially susceptible to pitting corrosion attack.
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