Edgardo Benavidez , Elena Brandaleze , Leonardo Musante , Pablo Galliano
{"title":"镁碳砖与炼钢渣接触的腐蚀研究","authors":"Edgardo Benavidez , Elena Brandaleze , Leonardo Musante , Pablo Galliano","doi":"10.1016/j.mspro.2015.04.068","DOIUrl":null,"url":null,"abstract":"<div><p>The MgO-C bricks are extensively used as lining work on different steel containers. Due to the high temperatures of the process, these refractories are subjected to severe wear and corrosion processes, principally in the area of contact with the slag. These slags have variable contents of CaO, SiO<sub>2</sub>, Al<sub>2</sub>O<sub>3</sub>, MgO and FeO, varying in composition according to the process stage. In this paper, cup tests were performed at 1650<!--> <!-->°C during 2<!--> <!-->hours in air, using three kinds of commercial MgO-C bricks. They were put in contact with a high basicity slag. The corrosion degree and decarburization level sufferered by the refractories were analyzed and compared. Microstructural observations were performed in order to postulate the probable corrosion mechanisms acting on each material.</p></div>","PeriodicalId":101041,"journal":{"name":"Procedia Materials Science","volume":"8 ","pages":"Pages 228-235"},"PeriodicalIF":0.0000,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mspro.2015.04.068","citationCount":"15","resultStr":"{\"title\":\"Corrosion Study of MgO-C Bricks in Contact with a Steelmaking Slag\",\"authors\":\"Edgardo Benavidez , Elena Brandaleze , Leonardo Musante , Pablo Galliano\",\"doi\":\"10.1016/j.mspro.2015.04.068\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The MgO-C bricks are extensively used as lining work on different steel containers. Due to the high temperatures of the process, these refractories are subjected to severe wear and corrosion processes, principally in the area of contact with the slag. These slags have variable contents of CaO, SiO<sub>2</sub>, Al<sub>2</sub>O<sub>3</sub>, MgO and FeO, varying in composition according to the process stage. In this paper, cup tests were performed at 1650<!--> <!-->°C during 2<!--> <!-->hours in air, using three kinds of commercial MgO-C bricks. They were put in contact with a high basicity slag. The corrosion degree and decarburization level sufferered by the refractories were analyzed and compared. Microstructural observations were performed in order to postulate the probable corrosion mechanisms acting on each material.</p></div>\",\"PeriodicalId\":101041,\"journal\":{\"name\":\"Procedia Materials Science\",\"volume\":\"8 \",\"pages\":\"Pages 228-235\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.mspro.2015.04.068\",\"citationCount\":\"15\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Procedia Materials Science\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2211812815000693\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Procedia Materials Science","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2211812815000693","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Corrosion Study of MgO-C Bricks in Contact with a Steelmaking Slag
The MgO-C bricks are extensively used as lining work on different steel containers. Due to the high temperatures of the process, these refractories are subjected to severe wear and corrosion processes, principally in the area of contact with the slag. These slags have variable contents of CaO, SiO2, Al2O3, MgO and FeO, varying in composition according to the process stage. In this paper, cup tests were performed at 1650 °C during 2 hours in air, using three kinds of commercial MgO-C bricks. They were put in contact with a high basicity slag. The corrosion degree and decarburization level sufferered by the refractories were analyzed and compared. Microstructural observations were performed in order to postulate the probable corrosion mechanisms acting on each material.
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