{"title":"Cu-Sb-O体系的亚固相平衡","authors":"M. Stan, S. Mihaiu, D. Crisan, M. Zaharescu","doi":"10.1016/S0992-4361(98)80005-2","DOIUrl":null,"url":null,"abstract":"<div><p>T6he study of the subsolidus phase equilibrium in Cu-Sb-O system was started using samples with compositions laying, at room temperature, in the CuO-Sb<sub>2</sub>O<sub>3</sub> subsystem. Isothermal and non-isothermal experiments were performed to analyze the system in the 500–1000°C range. At high temperatures (over 500°C) the system transforms in a quaternary one: CuO-Cu<sub>2</sub>O-Sb<sub>2</sub>O<sub>3</sub>-Sb<sub>2</sub>O<sub>5</sub> as Sb<sub>2</sub>O<sub>3</sub> undergoes oxidation to Sb<sub>2</sub>O<sub>4</sub> and Sb<sub>2</sub>O<sub>5</sub> and Cu<sub>2</sub>O<sub>3</sub> reduces to Cu<sub>2</sub>O. The formation of the CuSb<sub>2</sub>O<sub>6</sub> and Cu<sub>4</sub>SbO<sub>4.5</sub> binary compounds is reported. The calculations of mass variation and atomic composition modifications lead to a quaternary oxide representation of the subsolidus phase equilibrium.</p></div>","PeriodicalId":100507,"journal":{"name":"European Journal of Solid State and Inorganic Chemistry","volume":"35 3","pages":"Pages 243-254"},"PeriodicalIF":0.0000,"publicationDate":"1998-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0992-4361(98)80005-2","citationCount":"15","resultStr":"{\"title\":\"Subsolidus phase equilibrium in the Cu-Sb-O system\",\"authors\":\"M. Stan, S. Mihaiu, D. Crisan, M. Zaharescu\",\"doi\":\"10.1016/S0992-4361(98)80005-2\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>T6he study of the subsolidus phase equilibrium in Cu-Sb-O system was started using samples with compositions laying, at room temperature, in the CuO-Sb<sub>2</sub>O<sub>3</sub> subsystem. Isothermal and non-isothermal experiments were performed to analyze the system in the 500–1000°C range. At high temperatures (over 500°C) the system transforms in a quaternary one: CuO-Cu<sub>2</sub>O-Sb<sub>2</sub>O<sub>3</sub>-Sb<sub>2</sub>O<sub>5</sub> as Sb<sub>2</sub>O<sub>3</sub> undergoes oxidation to Sb<sub>2</sub>O<sub>4</sub> and Sb<sub>2</sub>O<sub>5</sub> and Cu<sub>2</sub>O<sub>3</sub> reduces to Cu<sub>2</sub>O. The formation of the CuSb<sub>2</sub>O<sub>6</sub> and Cu<sub>4</sub>SbO<sub>4.5</sub> binary compounds is reported. The calculations of mass variation and atomic composition modifications lead to a quaternary oxide representation of the subsolidus phase equilibrium.</p></div>\",\"PeriodicalId\":100507,\"journal\":{\"name\":\"European Journal of Solid State and Inorganic Chemistry\",\"volume\":\"35 3\",\"pages\":\"Pages 243-254\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1998-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S0992-4361(98)80005-2\",\"citationCount\":\"15\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"European Journal of Solid State and Inorganic Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0992436198800052\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Journal of Solid State and Inorganic Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0992436198800052","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Subsolidus phase equilibrium in the Cu-Sb-O system
T6he study of the subsolidus phase equilibrium in Cu-Sb-O system was started using samples with compositions laying, at room temperature, in the CuO-Sb2O3 subsystem. Isothermal and non-isothermal experiments were performed to analyze the system in the 500–1000°C range. At high temperatures (over 500°C) the system transforms in a quaternary one: CuO-Cu2O-Sb2O3-Sb2O5 as Sb2O3 undergoes oxidation to Sb2O4 and Sb2O5 and Cu2O3 reduces to Cu2O. The formation of the CuSb2O6 and Cu4SbO4.5 binary compounds is reported. The calculations of mass variation and atomic composition modifications lead to a quaternary oxide representation of the subsolidus phase equilibrium.
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