A Chromium-Free Fe-Added MgO–SiC–C Refractory With Superior Dynamic Matte Slag Corrosion Resistance

IF 4.2 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of the American Ceramic Society Pub Date : 2026-09-28 DOI:10.1111/jace.71272

Xu Zhao, Tianbin Zhu, Weijie Guo, Qilong Chen, Yuhang Zhang, Yawei Li, Yajie Dai, Wengang Yang, Honggang Sun

{"title":"A Chromium-Free Fe-Added MgO–SiC–C Refractory With Superior Dynamic Matte Slag Corrosion Resistance","authors":"Xu Zhao, Tianbin Zhu, Weijie Guo, Qilong Chen, Yuhang Zhang, Yawei Li, Yajie Dai, Wengang Yang, Honggang Sun","doi":"10.1111/jace.71272","DOIUrl":null,"url":null,"abstract":"<div>\n \n To develop a chromium-free alternative to MgO–Cr2O3 refractories for matte smelting furnaces, this study investigated three novel MgO–SiC–C refractories (with Fe, Si3N4, or Si3N4–Fe additions) via induction furnace tests simulating actual smelting. Results showed MgO–Cr2O3 sample had poor slag penetration resistance due to a porous layer filled with low-melting (Mg1−x, Fex)2SiO4, impairing stability and allowing partial Cu2S penetration. The Fe-containing MgO–SiC–C sample exhibited superior dynamic corrosion resistance (comparable to MgO–Cr2O3, better in penetration resistance), attributed to low porosity, protective Mg(Fe, Al)2O4 and MgAl2O4 phases, Fe–Si alloy void filling, and graphite-inhibited Cu2S penetration. Si3N4-containing samples degraded dynamically (despite good static slag resistance) as Si3N4 formed low-melting (Mg1−x, Fex)2SiO4, weakening stability. Overall, the Fe-containing MgO–SiC–C refractory is a promising chromium-free alternative for matte smelting furnaces.\n </div>","PeriodicalId":200,"journal":{"name":"Journal of the American Ceramic Society","volume":"109 10","pages":""},"PeriodicalIF":4.2000,"publicationDate":"2026-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the American Ceramic Society","FirstCategoryId":"88","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/jace.71272","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}

引用次数: 0

Abstract

To develop a chromium-free alternative to MgO–Cr₂O₃ refractories for matte smelting furnaces, this study investigated three novel MgO–SiC–C refractories (with Fe, Si₃N₄, or Si₃N₄–Fe additions) via induction furnace tests simulating actual smelting. Results showed MgO–Cr₂O₃ sample had poor slag penetration resistance due to a porous layer filled with low-melting (Mg₁₋_x, Fe_x)₂SiO₄, impairing stability and allowing partial Cu₂S penetration. The Fe-containing MgO–SiC–C sample exhibited superior dynamic corrosion resistance (comparable to MgO–Cr₂O₃, better in penetration resistance), attributed to low porosity, protective Mg(Fe, Al)₂O₄ and MgAl₂O₄ phases, Fe–Si alloy void filling, and graphite-inhibited Cu₂S penetration. Si₃N₄-containing samples degraded dynamically (despite good static slag resistance) as Si₃N₄ formed low-melting (Mg₁₋_x, Fe_x)₂SiO₄, weakening stability. Overall, the Fe-containing MgO–SiC–C refractory is a promising chromium-free alternative for matte smelting furnaces.

查看原文本刊更多论文

一种无铬加铁MgO-SiC-C耐火材料，具有优异的动态磨砂渣腐蚀性能

为了开发一种可替代MgO-Cr2O3的无铬耐火材料，本研究通过模拟实际冶炼的感应炉试验，研究了三种新型MgO-SiC-C耐火材料（分别添加了Fe、Si3N4或Si3N4 - Fe）。结果表明，由于MgO-Cr2O3样品的多孔层中填充了低熔点（Mg1−x, Fex）2SiO4，破坏了其稳定性并允许Cu2S部分渗透，使得MgO-Cr2O3样品的抗渣渗透性能较差。含铁MgO-SiC-C样品表现出优异的动态耐蚀性（与MgO-Cr2O3相当，抗渗蚀性更好），这主要归功于低孔隙率、保护性Mg(Fe, Al)2O4和MgAl2O4相、Fe- si合金空隙填充以及石墨抑制Cu2S渗透。含Si3N4的样品动态降解（尽管静态抗渣性能良好），Si3N4形成低熔点（Mg1−x, Fex）2SiO4，稳定性减弱。总体而言，含铁的MgO-SiC-C耐火材料是一种很有前途的无铬哑光熔炼炉替代品。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Journal of the American Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

7.50

自引率

7.70%

发文量

590

审稿时长

2.1 months

期刊介绍： The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials. Papers on fundamental ceramic and glass science are welcome including those in the following areas: Enabling materials for grand challenges[...] Materials design, selection, synthesis and processing methods[...] Characterization of compositions, structures, defects, and properties along with new methods [...] Mechanisms, Theory, Modeling, and Simulation[...] JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.