{"title":"未改性Al-Si共晶中块状共晶硅的晶体形貌","authors":"M. Shamsuzzoha , L.M. Hogan","doi":"10.1016/0026-0800(89)90020-7","DOIUrl":null,"url":null,"abstract":"<div><p>We describe crystallographic observations of the silicon phase in massive eutectic crystallization of an aluminum-silicon alloy, formed by very slow directional growth under a steep temperature gradient. The silicon particles examined were twinned, and their growth crystallography conformed with two distinct mechanisms of TPRE crystal growth. Thus, the TPRE growth mechanism can play a significant part in massive eutectic growth in this system, but it is not assumed to be essential.</p></div>","PeriodicalId":100918,"journal":{"name":"Metallography","volume":"22 1","pages":"Pages 37-45"},"PeriodicalIF":0.0000,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0026-0800(89)90020-7","citationCount":"3","resultStr":"{\"title\":\"Crystal morphology of massive eutectic silicon in unmodified Al-Si eutectic\",\"authors\":\"M. Shamsuzzoha , L.M. Hogan\",\"doi\":\"10.1016/0026-0800(89)90020-7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>We describe crystallographic observations of the silicon phase in massive eutectic crystallization of an aluminum-silicon alloy, formed by very slow directional growth under a steep temperature gradient. The silicon particles examined were twinned, and their growth crystallography conformed with two distinct mechanisms of TPRE crystal growth. Thus, the TPRE growth mechanism can play a significant part in massive eutectic growth in this system, but it is not assumed to be essential.</p></div>\",\"PeriodicalId\":100918,\"journal\":{\"name\":\"Metallography\",\"volume\":\"22 1\",\"pages\":\"Pages 37-45\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0026-0800(89)90020-7\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metallography\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0026080089900207\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metallography","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0026080089900207","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Crystal morphology of massive eutectic silicon in unmodified Al-Si eutectic
We describe crystallographic observations of the silicon phase in massive eutectic crystallization of an aluminum-silicon alloy, formed by very slow directional growth under a steep temperature gradient. The silicon particles examined were twinned, and their growth crystallography conformed with two distinct mechanisms of TPRE crystal growth. Thus, the TPRE growth mechanism can play a significant part in massive eutectic growth in this system, but it is not assumed to be essential.
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