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International Journal of Applied Ceramic Technology最新文献

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Upcycling Waste Glass into Ceramic Tiles: Eco-Design for a Circular Manufacturing Route 将废玻璃升级为瓷砖：循环制造路线的生态设计
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-26 DOI: 10.1111/ijac.70163
Fariba Hamidivadigh, Amir Parval
{"title":"Upcycling Waste Glass into Ceramic Tiles: Eco-Design for a Circular Manufacturing Route","authors":"Fariba Hamidivadigh,&nbsp;Amir Parval","doi":"10.1111/ijac.70163","DOIUrl":"https://doi.org/10.1111/ijac.70163","url":null,"abstract":"<div>\u0000 \u0000 <p>Ceramic tile manufacturing faces increasing pressure to cut energy use and reliance on virgin raw materials. Here, soda-lime waste glass was evaluated as a partial replacement for feldspar flux in tile bodies under industrially relevant processing. Five formulations containing 0–20 wt.% waste glass were produced via wet milling, granulation, two-stage uniaxial pressing, and fast firing in an industrial roller kiln (peak 1177°C; total 53 min). Thermal behavior, phase evolution, microstructure, and properties were assessed by DTA/TG, XRD, SEM/EDS, and standardized tests. Waste glass promoted earlier liquid-phase formation, increased vitrification, and lowered porosity under fast-firing conditions. The optimal composition was 15 wt.% glass, leading to the best densification balance with low water absorption (2.83%), reduced open porosity (4.97%), controlled linear shrinkage (7.99%), and high flexural strength (∼61 MPa). XRD showed decreasing crystallinity with increasing glass and albite formation, attributed to sodium diffusion from the glassy phase, consistent with the denser microstructure. This study demonstrates waste-glass fluxing in an industrial fast-firing roller kiln, defines a practical composition-property window at fixed firing temperature, and connects thermal, phase, microstructural, and performance changes. Soda-lime waste glass is therefore a scalable flux for energy-efficient, circular-economy ceramic tile production.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147666295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Upcycling Waste Glass into Ceramic Tiles: Eco-Design for a Circular Manufacturing Route 将废玻璃升级为瓷砖：循环制造路线的生态设计
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-26 DOI: 10.1111/ijac.70163
Fariba Hamidivadigh, Amir Parval
{"title":"Upcycling Waste Glass into Ceramic Tiles: Eco-Design for a Circular Manufacturing Route","authors":"Fariba Hamidivadigh,&nbsp;Amir Parval","doi":"10.1111/ijac.70163","DOIUrl":"https://doi.org/10.1111/ijac.70163","url":null,"abstract":"<div>\u0000 \u0000 <p>Ceramic tile manufacturing faces increasing pressure to cut energy use and reliance on virgin raw materials. Here, soda-lime waste glass was evaluated as a partial replacement for feldspar flux in tile bodies under industrially relevant processing. Five formulations containing 0–20 wt.% waste glass were produced via wet milling, granulation, two-stage uniaxial pressing, and fast firing in an industrial roller kiln (peak 1177°C; total 53 min). Thermal behavior, phase evolution, microstructure, and properties were assessed by DTA/TG, XRD, SEM/EDS, and standardized tests. Waste glass promoted earlier liquid-phase formation, increased vitrification, and lowered porosity under fast-firing conditions. The optimal composition was 15 wt.% glass, leading to the best densification balance with low water absorption (2.83%), reduced open porosity (4.97%), controlled linear shrinkage (7.99%), and high flexural strength (∼61 MPa). XRD showed decreasing crystallinity with increasing glass and albite formation, attributed to sodium diffusion from the glassy phase, consistent with the denser microstructure. This study demonstrates waste-glass fluxing in an industrial fast-firing roller kiln, defines a practical composition-property window at fixed firing temperature, and connects thermal, phase, microstructural, and performance changes. Soda-lime waste glass is therefore a scalable flux for energy-efficient, circular-economy ceramic tile production.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147666189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AI-Driven Mapping of Grain Boundary Characteristics to Fracture Resistance in Battery Electrolytes 基于ai驱动的电池电解质的晶界特征与抗断裂性映射
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-24 DOI: 10.1111/ijac.70167
Amith Adoor Cheenady, Krishna Rajan
{"title":"AI-Driven Mapping of Grain Boundary Characteristics to Fracture Resistance in Battery Electrolytes","authors":"Amith Adoor Cheenady,&nbsp;Krishna Rajan","doi":"10.1111/ijac.70167","DOIUrl":"10.1111/ijac.70167","url":null,"abstract":"<div>\u0000 \u0000 <p>Intergranular fracture due to the penetration of metal dendrites is an important failure mode in inorganic solid electrolytes (ISEs). Adequate fracture resistance at ISE grain boundaries (GBs) is thus critical for realizing practical solid-state batteries (SSBs). Using a machine learning (ML) technique, this work connects attributes of ISE GBs to their fracture resistance and demonstrates that GBs in distinct materials, by virtue of their local structure and composition, can behave in similar ways. Altering interfacial characteristics is thus suggested as a potential method for tuning material properties without changing crystal chemistry. We train a mixture-of-experts (MoE) based ML model for estimating work of adhesion (<i>W</i><sub>ad</sub>), the thermodynamic threshold energy for fracture, at ISE GBs and construct structure maps using latent features extracted from the model. A global picture of GB <i>W</i><sub>ad</sub> across ISE chemistries is thus presented and complex relationships between crystallographic attributes of GBs, their local non-stoichiometry, and <i>W</i><sub>ad</sub> are revealed. While this ML-assisted technique may provide useful insights for processing ISEs with higher fracture-resistance by tuning GB chemistry, it also highlights the value in analyzing latent variables from ML models for unraveling complex structure-property relationships.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Some Thoughts on the Status of Sol–Gel Processing of Silicates and Organically Modified Silicates 对硅酸盐及有机改性硅酸盐溶胶-凝胶法处理现状的思考
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-24 DOI: 10.1111/ijac.70172
Lisa C. Klein
{"title":"Some Thoughts on the Status of Sol–Gel Processing of Silicates and Organically Modified Silicates","authors":"Lisa C. Klein","doi":"10.1111/ijac.70172","DOIUrl":"10.1111/ijac.70172","url":null,"abstract":"<div>\u0000 \u0000 <p>Over the past 50 years, the sol–gel process has advanced both scientifically and technologically. In this review, the process as applied to silicates is examined with a focus on its successes and its potential for further implementation. The emphasis is on applications, rather than basic science. At times, the product is identified explicitly as being a sol–gel processed material. In other cases, sol–gel processing is inferred based on the precursors and is one of many steps in producing the product.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nickel-Loaded Lanthanum and Praseodymium Silicates With the Apatite Structure as Catalysts of Ethanol Steam Reforming 磷灰石结构载镍镧镨硅酸盐作为乙醇蒸汽重整催化剂的研究
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-24 DOI: 10.1111/ijac.70171
M. Yu. Lopatin, A. A. Fedorova, Yu. E. Fedorova, E. A. Smal, E. M. Sadovskaya, N. F. Eremeev, K. I. Maslakov, V. Yu. Verchenko, A. V. Knotko, T. B. Shatalova, D. I. Petukhov, V. A. Rogov, I. V. Morozov, V. A. Sadykov
{"title":"Nickel-Loaded Lanthanum and Praseodymium Silicates With the Apatite Structure as Catalysts of Ethanol Steam Reforming","authors":"M. Yu. Lopatin,&nbsp;A. A. Fedorova,&nbsp;Yu. E. Fedorova,&nbsp;E. A. Smal,&nbsp;E. M. Sadovskaya,&nbsp;N. F. Eremeev,&nbsp;K. I. Maslakov,&nbsp;V. Yu. Verchenko,&nbsp;A. V. Knotko,&nbsp;T. B. Shatalova,&nbsp;D. I. Petukhov,&nbsp;V. A. Rogov,&nbsp;I. V. Morozov,&nbsp;V. A. Sadykov","doi":"10.1111/ijac.70171","DOIUrl":"10.1111/ijac.70171","url":null,"abstract":"<div>\u0000 \u0000 <p>A modified sol–gel method using β-cyclodextrin as a template was used to synthesize apatite-type lanthanum and praseodymium silicate supports for Ni-loaded ethanol steam reforming catalysts. The effects of nonionic Brij 58 surfactant addition and the substitution of lanthanum with praseodymium on the properties of catalysts were studied. Thermal decomposition of the sample precursor gels was investigated by thermal analysis coupled with evolved gas mass spectrometry. The samples were analyzed by XRD, EDX, low-temperature nitrogen physisorption, temperature-programmed reduction with H<sub>2</sub>, XPS, oxygen isotope exchange with C<sup>18</sup>O<sub>2</sub>, and tested in the ethanol steam reforming.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nickel-Loaded Lanthanum and Praseodymium Silicates With the Apatite Structure as Catalysts of Ethanol Steam Reforming 磷灰石结构载镍镧镨硅酸盐作为乙醇蒸汽重整催化剂的研究
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-24 DOI: 10.1111/ijac.70171
M. Yu. Lopatin, A. A. Fedorova, Yu. E. Fedorova, E. A. Smal, E. M. Sadovskaya, N. F. Eremeev, K. I. Maslakov, V. Yu. Verchenko, A. V. Knotko, T. B. Shatalova, D. I. Petukhov, V. A. Rogov, I. V. Morozov, V. A. Sadykov
{"title":"Nickel-Loaded Lanthanum and Praseodymium Silicates With the Apatite Structure as Catalysts of Ethanol Steam Reforming","authors":"M. Yu. Lopatin,&nbsp;A. A. Fedorova,&nbsp;Yu. E. Fedorova,&nbsp;E. A. Smal,&nbsp;E. M. Sadovskaya,&nbsp;N. F. Eremeev,&nbsp;K. I. Maslakov,&nbsp;V. Yu. Verchenko,&nbsp;A. V. Knotko,&nbsp;T. B. Shatalova,&nbsp;D. I. Petukhov,&nbsp;V. A. Rogov,&nbsp;I. V. Morozov,&nbsp;V. A. Sadykov","doi":"10.1111/ijac.70171","DOIUrl":"https://doi.org/10.1111/ijac.70171","url":null,"abstract":"<div>\u0000 \u0000 <p>A modified sol–gel method using β-cyclodextrin as a template was used to synthesize apatite-type lanthanum and praseodymium silicate supports for Ni-loaded ethanol steam reforming catalysts. The effects of nonionic Brij 58 surfactant addition and the substitution of lanthanum with praseodymium on the properties of catalysts were studied. Thermal decomposition of the sample precursor gels was investigated by thermal analysis coupled with evolved gas mass spectrometry. The samples were analyzed by XRD, EDX, low-temperature nitrogen physisorption, temperature-programmed reduction with H<sub>2</sub>, XPS, oxygen isotope exchange with C<sup>18</sup>O<sub>2</sub>, and tested in the ethanol steam reforming.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
One-Pot Approach Reduction of Graphene Oxide Through Calendula officinalis for Promising Biomedical Applications 金盏花一锅法还原氧化石墨烯的生物医学应用前景
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-24 DOI: 10.1111/ijac.70170
Debolina Saha, Pratik Das, Tathagata Adhikary, Sk. Hasanur Rahaman, Piyali Basak, Subhadip Bodhak
{"title":"One-Pot Approach Reduction of Graphene Oxide Through Calendula officinalis for Promising Biomedical Applications","authors":"Debolina Saha,&nbsp;Pratik Das,&nbsp;Tathagata Adhikary,&nbsp;Sk. Hasanur Rahaman,&nbsp;Piyali Basak,&nbsp;Subhadip Bodhak","doi":"10.1111/ijac.70170","DOIUrl":"https://doi.org/10.1111/ijac.70170","url":null,"abstract":"<div>\u0000 \u0000 <p>This work reports a one-pot green synthesis of reduced graphene oxide (RGO) from graphene oxide (GO) using <i>Calendula officinalis</i> mother tincture as a natural reducing and stabilizing agent. Taken together, a bathochromic shift with a broad absorption band cantered near 305 nm in UV–Vis; attenuation of carbonyl and C–O bands and stronger sp<sup>2</sup> C = C features in FTIR; disappearance of the GO (001) low-angle XRD peak at 11.9° and the emergence of a graphitic (002) peak at 26.4° for RGO; and increased ID/IG ratio from 0.832 to 1.08 and a shift of weak 2D features band from 2694 to 2678 cm<sup>−</sup><sup>1</sup> in Raman for RGO implies partial restoration of the sp2 conjugated network and confirmed successful reduction. Furthermore, a smoother, compact, and restacked sheet-like microstructure of RGO in FESEM and TEM analyses provides compelling evidence for the successful reduction of GO to RGO. Finally, in vitro biological performance of RGO was evaluated through antibacterial assays against Bacillus subtilis and <i>Escherichia coli</i>; cytocompatibility, proliferation by using L929 cells; and hemocompatibility. Overall, <i>C. officinalis</i> acts as both a green reductant and functionalizing agent that can effectively produce hemocompatible, antimicrobial, and cytocompatible RGO with promising therapeutic potential.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alumina‒ZnAl2O4 spinel castable: Effect of in situ formed ZnAl2O4 content 氧化铝- ZnAl2O4尖晶石浇注料：原位形成ZnAl2O4含量的影响
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-24 DOI: 10.1111/ijac.70173
Ritwik Sarkar, Nitika Dhakad, Satyam Kumar
{"title":"Alumina‒ZnAl2O4 spinel castable: Effect of in situ formed ZnAl2O4 content","authors":"Ritwik Sarkar,&nbsp;Nitika Dhakad,&nbsp;Satyam Kumar","doi":"10.1111/ijac.70173","DOIUrl":"10.1111/ijac.70173","url":null,"abstract":"<div>\u0000 \u0000 <p>Zinc aluminate spinel (ZnAl<sub>2</sub>O<sub>4</sub>, gahnite) is gaining importance as a spinel component in the alumina spinel refractory castables due to its excellent thermo-mechanical and chemical properties. The present work investigates the effect of the amount of in situ formed ZnAl<sub>2</sub>O<sub>4</sub> spinel on the properties of cement-bonded high-alumina castable. ZnO was added in the castable composition at 4.4, 6.6, and 8.8 wt.% to form 10, 15, and 20 wt.% in situ ZnAl<sub>2</sub>O<sub>4</sub> spinel, respectively. The castable compositions were processed through conventional technique and heat treated at 110°C, 1000°C, and 1550°C. They were then characterized for various refractory properties, namely, bulk density, apparent porosity, strength at ambient and elevated temperatures, phase analysis, and microstructural study. The optimum ZnAl<sub>2</sub>O<sub>4</sub>-containing composition was further characterized for resistance against thermal shock and slag corrosion. The evaluated properties were compared against a high-alumina castable (without ZnO), used as a reference. The results show that 10 wt.% in situ ZnAl<sub>2</sub>O<sub>4</sub> spinel-containing castable has the optimum properties. The properties indicate that the Al<sub>2</sub>O<sub>3</sub>‒ZnAl<sub>2</sub>O<sub>4</sub> spinel castables can substitute Al<sub>2</sub>O<sub>3</sub>‒MgAl<sub>2</sub>O<sub>4</sub> spinel castables, especially for iron and steel industry applications.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
One-Pot Approach Reduction of Graphene Oxide Through Calendula officinalis for Promising Biomedical Applications 金盏花一锅法还原氧化石墨烯的生物医学应用前景
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-24 DOI: 10.1111/ijac.70170
Debolina Saha, Pratik Das, Tathagata Adhikary, Sk. Hasanur Rahaman, Piyali Basak, Subhadip Bodhak
{"title":"One-Pot Approach Reduction of Graphene Oxide Through Calendula officinalis for Promising Biomedical Applications","authors":"Debolina Saha,&nbsp;Pratik Das,&nbsp;Tathagata Adhikary,&nbsp;Sk. Hasanur Rahaman,&nbsp;Piyali Basak,&nbsp;Subhadip Bodhak","doi":"10.1111/ijac.70170","DOIUrl":"10.1111/ijac.70170","url":null,"abstract":"<div>\u0000 \u0000 <p>This work reports a one-pot green synthesis of reduced graphene oxide (RGO) from graphene oxide (GO) using <i>Calendula officinalis</i> mother tincture as a natural reducing and stabilizing agent. Taken together, a bathochromic shift with a broad absorption band cantered near 305 nm in UV–Vis; attenuation of carbonyl and C–O bands and stronger sp<sup>2</sup> C = C features in FTIR; disappearance of the GO (001) low-angle XRD peak at 11.9° and the emergence of a graphitic (002) peak at 26.4° for RGO; and increased ID/IG ratio from 0.832 to 1.08 and a shift of weak 2D features band from 2694 to 2678 cm<sup>−</sup><sup>1</sup> in Raman for RGO implies partial restoration of the sp2 conjugated network and confirmed successful reduction. Furthermore, a smoother, compact, and restacked sheet-like microstructure of RGO in FESEM and TEM analyses provides compelling evidence for the successful reduction of GO to RGO. Finally, in vitro biological performance of RGO was evaluated through antibacterial assays against Bacillus subtilis and <i>Escherichia coli</i>; cytocompatibility, proliferation by using L929 cells; and hemocompatibility. Overall, <i>C. officinalis</i> acts as both a green reductant and functionalizing agent that can effectively produce hemocompatible, antimicrobial, and cytocompatible RGO with promising therapeutic potential.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alumina‒ZnAl2O4 spinel castable: Effect of in situ formed ZnAl2O4 content 氧化铝- ZnAl2O4尖晶石浇注料：原位形成ZnAl2O4含量的影响
IF 2.3 4区 材料科学
International Journal of Applied Ceramic Technology Pub Date : 2026-03-24 DOI: 10.1111/ijac.70173
Ritwik Sarkar, Nitika Dhakad, Satyam Kumar
{"title":"Alumina‒ZnAl2O4 spinel castable: Effect of in situ formed ZnAl2O4 content","authors":"Ritwik Sarkar,&nbsp;Nitika Dhakad,&nbsp;Satyam Kumar","doi":"10.1111/ijac.70173","DOIUrl":"https://doi.org/10.1111/ijac.70173","url":null,"abstract":"<div>\u0000 \u0000 <p>Zinc aluminate spinel (ZnAl<sub>2</sub>O<sub>4</sub>, gahnite) is gaining importance as a spinel component in the alumina spinel refractory castables due to its excellent thermo-mechanical and chemical properties. The present work investigates the effect of the amount of in situ formed ZnAl<sub>2</sub>O<sub>4</sub> spinel on the properties of cement-bonded high-alumina castable. ZnO was added in the castable composition at 4.4, 6.6, and 8.8 wt.% to form 10, 15, and 20 wt.% in situ ZnAl<sub>2</sub>O<sub>4</sub> spinel, respectively. The castable compositions were processed through conventional technique and heat treated at 110°C, 1000°C, and 1550°C. They were then characterized for various refractory properties, namely, bulk density, apparent porosity, strength at ambient and elevated temperatures, phase analysis, and microstructural study. The optimum ZnAl<sub>2</sub>O<sub>4</sub>-containing composition was further characterized for resistance against thermal shock and slag corrosion. The evaluated properties were compared against a high-alumina castable (without ZnO), used as a reference. The results show that 10 wt.% in situ ZnAl<sub>2</sub>O<sub>4</sub> spinel-containing castable has the optimum properties. The properties indicate that the Al<sub>2</sub>O<sub>3</sub>‒ZnAl<sub>2</sub>O<sub>4</sub> spinel castables can substitute Al<sub>2</sub>O<sub>3</sub>‒MgAl<sub>2</sub>O<sub>4</sub> spinel castables, especially for iron and steel industry applications.</p>\u0000 </div>","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"23 2","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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