A new strategy to prepare MLG-SiCw/SiCp composites via three-roll milling exfoliation and catalytical-conversion for advanced refractories

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2024-09-24 DOI:10.1016/j.ceramint.2024.09.329

Yang Xia, Lingyu Liu, Juntong Huang, Fangqiang Wang, Jiayao Bao, Zhi Chen, Jinbiao Qiu, Huiyong Yang, Ruiying Luo

{"title":"A new strategy to prepare MLG-SiCw/SiCp composites via three-roll milling exfoliation and catalytical-conversion for advanced refractories","authors":"Yang Xia, Lingyu Liu, Juntong Huang, Fangqiang Wang, Jiayao Bao, Zhi Chen, Jinbiao Qiu, Huiyong Yang, Ruiying Luo","doi":"10.1016/j.ceramint.2024.09.329","DOIUrl":null,"url":null,"abstract":"<div><div>Cost-effective decarbonization and structural strengthening of carbon-containing refractory materials are crucial for the development of low-carbon steel (LCS) and ultra-low-carbon steel (ULCS) technologies. In this study, a carbonaceous-ceramic reinforcement assembly structure composed of multilayer graphenes and silicon carbide whiskers/particles (MLGs-SiC<sub>w</sub>/SiC<sub>p</sub>) has been successfully designed and fabricated. By employing three-roll milling (TRM) for low-cost exfoliation of expanded graphite (EG) into MLGs in a phenolic resin (PF) medium, we optimized the exfoliation cycles to fine-tune the morphology of MLGs. Subsequently, the catalytical solid-state conversion of PF/MLGs reacting with Si into SiC<sub>w</sub>/SiC<sub>p</sub> at 1400 °C, under varying C/Si molar ratios and catalyst contents, not only retained the structural integrity of MLGs but also embedded them within a novel SiC<sub>w</sub>/SiC<sub>p</sub> composite matrix. Our research elucidates the catalytic conversion mechanism, underscoring the significant role of nickel catalysts in promoting efficient SiC conversion. This work offers a promising pathway for developing high-performance, economical, low-carbon refractories.</div></div>","PeriodicalId":267,"journal":{"name":"Ceramics International","volume":"50 23","pages":"Pages 49853-49861"},"PeriodicalIF":5.1000,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ceramics International","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0272884224043645","RegionNum":2,"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

Cost-effective decarbonization and structural strengthening of carbon-containing refractory materials are crucial for the development of low-carbon steel (LCS) and ultra-low-carbon steel (ULCS) technologies. In this study, a carbonaceous-ceramic reinforcement assembly structure composed of multilayer graphenes and silicon carbide whiskers/particles (MLGs-SiC_w/SiC_p) has been successfully designed and fabricated. By employing three-roll milling (TRM) for low-cost exfoliation of expanded graphite (EG) into MLGs in a phenolic resin (PF) medium, we optimized the exfoliation cycles to fine-tune the morphology of MLGs. Subsequently, the catalytical solid-state conversion of PF/MLGs reacting with Si into SiC_w/SiC_p at 1400 °C, under varying C/Si molar ratios and catalyst contents, not only retained the structural integrity of MLGs but also embedded them within a novel SiC_w/SiC_p composite matrix. Our research elucidates the catalytic conversion mechanism, underscoring the significant role of nickel catalysts in promoting efficient SiC conversion. This work offers a promising pathway for developing high-performance, economical, low-carbon refractories.

查看原文本刊更多论文

通过三辊研磨剥离和催化转化制备 MLG-SiCw/SiCp 复合材料的新策略，用于先进耐火材料

具有成本效益的含碳耐火材料脱碳和结构强化对于低碳钢（LCS）和超低碳钢（ULCS）技术的发展至关重要。本研究成功设计并制造了一种由多层石墨烯和碳化硅晶须/颗粒（MLGs-SiCw/SiCp）组成的碳质陶瓷增强装配结构。我们采用三辊研磨（TRM）技术，在酚醛树脂（PF）介质中将膨胀石墨（EG）低成本剥离成多层石墨烯，并优化了剥离周期以微调多层石墨烯的形态。随后，在不同的 C/Si 摩尔比和催化剂含量条件下，PF/MLGs 在 1400 °C 下与硅反应催化固态转化为 SiCw/SiCp，不仅保留了 MLGs 的结构完整性，而且还将其嵌入了新型 SiCw/SiCp 复合基质中。我们的研究阐明了催化转化机制，强调了镍催化剂在促进碳化硅高效转化中的重要作用。这项工作为开发高性能、经济型、低碳耐火材料提供了一条前景广阔的途径。

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

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.