International Journal of Applied Ceramic Technology最新文献

Enhanced thermal conductivity and flexural strength of Si3N4 ceramics by using YF3-MgSiN2 as sintering additives 用YF3-MgSiN2作为烧结添加剂，提高了Si3N4陶瓷的导热性和抗弯强度

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-09-18 DOI: 10.1111/ijac.70052

Na Zhang, Min Niu, Lei Su, De Lu, Kang Peng, Hongjie Wang

{"title":"Enhanced thermal conductivity and flexural strength of Si3N4 ceramics by using YF3-MgSiN2 as sintering additives","authors":"Na Zhang, Min Niu, Lei Su, De Lu, Kang Peng, Hongjie Wang","doi":"10.1111/ijac.70052","DOIUrl":"https://doi.org/10.1111/ijac.70052","url":null,"abstract":"Si3N4 ceramics stand out as ideal materials for advanced electronic packaging substrates due to their high mechanical strength, high-temperature resilience, and minimal dielectric constant. Optimizing both the mechanical and thermal conductivity is essential for ensuring their reliable performance. In this study, a systematic investigation into the impact of both oxygen-containing sintering additives (Y2O3-MgF2 and Y2O3-MgSiN2) and oxygen-free sintering additives (YF3-MgF2 and YF3-MgSiN2) on the microstructure, flexural strength, and thermal conductivity of Si3N4 ceramics has been performed. It demonstrates that the Si3N4 ceramic sintered with the YF3-MgSiN2 additive achieves a remarkable thermal conductivity of 111.63 W·m−1·K−1 and a flexural strength of 774.7 MPa, which is relatively rare among the reported Si3N4 ceramics. These exceptional properties are attributed to the use of YF3-MgSiN2 additive, which leads to a significant reduction in lattice oxygen content, along with a decrease in the liquid phase formation temperature, thereby promoting grain development. Furthermore, the decomposition of MgSiN2 at high temperatures plays a key role in purifying the grain boundaries. This study provides a promising approach for developing high-performance Si3N4 ceramics with excellent thermal conductivity and mechanical strength.","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"22 6","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145196867","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

Reduction resistance of Al2O3–SiO2 refractories for hydrogen-based shaft furnaces 氢基竖炉用Al2O3-SiO2耐火材料的抗还原性能

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-09-11 DOI: 10.1111/ijac.70051

Tianren Chen, Zhanmin Wang, Hongbin Qin, Yanni Wang

{"title":"Reduction resistance of Al2O3–SiO2 refractories for hydrogen-based shaft furnaces","authors":"Tianren Chen, Zhanmin Wang, Hongbin Qin, Yanni Wang","doi":"10.1111/ijac.70051","DOIUrl":"https://doi.org/10.1111/ijac.70051","url":null,"abstract":"Hydrogen-based shaft furnace direct reduction technology is a critical pathway for low-carbon metallurgy. However, there is a scarcity of research on reduction resistance and corrosion mechanisms of Al2O3–SiO2 refractories for hydrogen-based shaft furnaces. This study integrated thermodynamic simulation with reduction testing under conditions mimicking industrial hydrogen-based shaft furnace parameters. The evolutions in mass, mechanical strength, phase composition, and microstructure of four representative Al2O3–SiO2 refractories were systematically analyzed before and after exposure to H2/CO reducing environments, and their corrosion mechanisms were investigated. The corrosion process involves gas penetration, diffusion, and chemical reactions. SiO2 and Fe2O3 were identified as the primary reactive phases in these refractories. SiO2 reacts with H2 to produce gaseous SiO and water vapor, whereas Fe oxides catalyze CO decomposition, leading to carbon deposition. Progressive detachment of deposits and gaseous product escape causes structural damage, resulting in specimen mass loss and strength reduction. Elevated reduction pressure and CO presence in the atmosphere exacerbate refractory corrosion.","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"22 6","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145196692","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

Effect of electric field on the interface behavior between molten steel and the aluminum-killed steel clogging 电场对钢液与铝淬钢界面行为的影响

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-09-09 DOI: 10.1111/ijac.70057

Chen Tian, Zijun Peng, Lei Yuan, Wangzhong Mu

引用次数: 0

Enhanced ablation/oxidation resistance of high-entropy carbides: The role of SiC whiskers 增强高熵碳化物的抗烧蚀/抗氧化性能：SiC晶须的作用

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-09-04 DOI: 10.1111/ijac.70059

Lenka Ďaková, Monika Hrubovčáková, Peter Tatarko, Michal Hičák, Richard Sedlák, Petra Hviščová, Alexandra Kovalčíková

引用次数: 0

Study on the preparation process and properties of carbon fiber–reinforced ceramic mold shells 碳纤维增强陶瓷模壳的制备工艺及性能研究

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-09-04 DOI: 10.1111/ijac.70053

Xiangfeng Liang, Chuncheng Cai, Cheng Zhu, Yuliang Jia, Changkun Shi, Yutao Zhao

{"title":"Study on the preparation process and properties of carbon fiber–reinforced ceramic mold shells","authors":"Xiangfeng Liang, Chuncheng Cai, Cheng Zhu, Yuliang Jia, Changkun Shi, Yutao Zhao","doi":"10.1111/ijac.70053","DOIUrl":"https://doi.org/10.1111/ijac.70053","url":null,"abstract":"This study delved into the impacts of carbon fibers on process parameters such as the fluidity of the slurry, the thickness of the ceramic mold shell, and the drying time during the preparation of ceramic mold shells. Additionally, it explored the action mechanisms of carbon fibers on the flexural strength and corner strength of the mold shells. The findings indicated that carbon fibers caused a reduction in the fluidity of the slurry and an increase in its kinematic viscosity. Consequently, the single-layer thickness of the mold shell increased, and the drying time was prolonged. Moreover, whether in the green body state or the sintered state, the flexural strength and corner strength of the mold shells were improved with the addition of carbon fibers. Regarding the fracture behavior, the primary failure mode of carbon fiber–reinforced ceramic mold shells was fiber pull out. During the pull out process, the debonding at the interface between the fibers and the ceramic matrix, along with the frictional slip after debonding, was the main way of energy dissipation for interface failure. The strengthening effect of carbon fibers on the mold shells was mainly realized through the bridging effect formed with the matrix.","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"22 6","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145196515","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

Sonochemical activation for BaTiO3 synthesis: A rapid and efficient route to the tetragonal phase 声化学活化合成BaTiO3：快速有效的四方相途径

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-08-31 DOI: 10.1111/ijac.70054

E. C. Silva, R. L. dos Santos, S. T. Monteiro, J. P. da Silva, Y. M. C. Pinto, L. Aguilera, F. X. Nobre, M. R. Morelli, A. P. Luz, Y. Leyet

{"title":"Sonochemical activation for BaTiO3 synthesis: A rapid and efficient route to the tetragonal phase","authors":"E. C. Silva, R. L. dos Santos, S. T. Monteiro, J. P. da Silva, Y. M. C. Pinto, L. Aguilera, F. X. Nobre, M. R. Morelli, A. P. Luz, Y. Leyet","doi":"10.1111/ijac.70054","DOIUrl":"https://doi.org/10.1111/ijac.70054","url":null,"abstract":"Barium titanate is a highly promising ferroelectric material, but its synthesis is often based on lengthy and complex processes. This paper presents the development of an ultrafast synthesis route for producing high-purity tetragonal BaTiO3. The method combines a brief sonochemical activation (15 min) with conventional calcination. Compared to traditional techniques and other sonochemical-assisted methods, this approach is markedly faster and avoids the need for complex conditions, such as inert atmospheres or extended processing times. Barium acetate with titanium dioxide (S1) and barium carbonate with titanium isopropoxide (S2) underwent sonochemical activation for just 10 min, ensuring complete mixing and activation. After that, both samples were calcined at 1100°C. X-ray refinement indicated the presence of 90.8% and 99.4% tetragonal BaTiO3 crystalline phases in the S1 and S2 samples, respectively. Raman analyses confirmed vibrational modes characteristic of BaTiO3, whereas infrared spectra exhibited a prominent band at 488 cm−1, attributed to Ti–O bond vibrations in the tetragonal phase. These results validate the effectiveness of this novel approach for efficiently producing high-purity BaTiO3 ceramics.","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"22 6","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ceramics.onlinelibrary.wiley.com/doi/epdf/10.1111/ijac.70054","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of FeO on the network structure and crystallization behavior of the blast furnace slag/basic oxygen furnace slag glass-ceramics FeO对高炉炉渣/碱性氧炉渣微晶玻璃网络结构及结晶行为的影响

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-08-30 DOI: 10.1111/ijac.70056

Feixu Chen, Yani Zhang, Huiyu Yan, Shengchun Li, Tun Wang, Shijing Shi, Lingcong Fan, Fang Lei, Lei Zhang, Ying Shi, Jianjun Xie

{"title":"Effect of FeO on the network structure and crystallization behavior of the blast furnace slag/basic oxygen furnace slag glass-ceramics","authors":"Feixu Chen, Yani Zhang, Huiyu Yan, Shengchun Li, Tun Wang, Shijing Shi, Lingcong Fan, Fang Lei, Lei Zhang, Ying Shi, Jianjun Xie","doi":"10.1111/ijac.70056","DOIUrl":"https://doi.org/10.1111/ijac.70056","url":null,"abstract":"This study investigates the utilization of blast furnace slag (BFS) and basic oxygen furnace slag (BOFS) as raw materials for the production of glass-ceramics. By varying the proportion of BOF slag, the study investigates the impact of FeO content on the structure, crystallization behavior, and properties of the glass-ceramics. The optimal FeO addition ratio is determined, providing a promising approach for the efficient and high-value recycling of these two types of industrial waste. The results show that FeO causes depolymerization of the glass network, enhances the crystallization of the parent glass, and significantly improves the physicochemical properties of the glass-ceramics. When the FeO content is 2.56 wt.% (with 8.64 wt.% BOFS and 38.39 wt.% BFS), the glass-ceramics exhibited a bulk density of 2.9 g/cm3, flexural strength of 169.1 MPa, hardness of 7.7 GPa, and outstanding corrosion resistance. The findings contribute to advancing the sustainable recycling of BFS and BOFS, reducing their environmental impact while creating cost-effective building and industrial materials.","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"22 6","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197180","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

The effect of aluminum content and oxygen content on the sintering performance of silicon carbide ceramic fibers 铝含量和氧含量对碳化硅陶瓷纤维烧结性能的影响

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-08-28 DOI: 10.1111/ijac.70050

Shixin Ren, Peng Zhu, Jianjun Chen, Defeng Hu, Xin Sun, Zhanjun Wang

{"title":"The effect of aluminum content and oxygen content on the sintering performance of silicon carbide ceramic fibers","authors":"Shixin Ren, Peng Zhu, Jianjun Chen, Defeng Hu, Xin Sun, Zhanjun Wang","doi":"10.1111/ijac.70050","DOIUrl":"https://doi.org/10.1111/ijac.70050","url":null,"abstract":"Aluminum-doped SiC ceramic fibers are attractive for their excellent mechanical properties and oxidation resistance at high temperatures. The oxygen and aluminum contents have significant effects on the mechanical properties of aluminum-doped SiC ceramic fibers. In this work, continuous SiC fibers were fabricated by the curing process, pyrolysis, and heat treatment. A two-stage curing approach was employed to tune the oxygen content of SiC fibers. The first stage involves air pre-oxidation, while the second stage employs thermal crosslinking. The aluminum content was tuned by altering the reaction ratio between liquid polycarbosilane and aluminum acetylacetonate. After optimization of Al and O content, SiC fibers with 0.6 wt% Al content and 10.32 wt% O content exhibited optimal properties, such as smooth surface, high mechanical properties (1.35 GPa) and high density structure. Polyaluminum carbosilane fibers with deficient oxygen content exhibited poor thermosetting properties, which caused melting or deformation when subjected to pyrolysis temperatures. Excessive oxygen content incorporation during pre-oxidation results in a loose structure, porous surface, and inferior mechanical properties (0.35 GPa). The limited Al concentration provides insufficient sintering aid activity, resulting in loose, porous fiber structures with inferior mechanical properties (0.91 GPa). Compared with the air pre-oxidation, the two-stage curing approach provides a cost-effective solution.","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"22 6","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197082","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

The effect of basalt glass microspheres and microfibers on the wear resistance of metakaolin-based geopolymer composites 玄武岩玻璃微球和微纤维对偏高岭土聚合物复合材料耐磨性的影响

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-08-28 DOI: 10.1111/ijac.70055

Yurii Y. Zubko, Yevgeniy I. Zubko, Waltraud M. Kriven

{"title":"The effect of basalt glass microspheres and microfibers on the wear resistance of metakaolin-based geopolymer composites","authors":"Yurii Y. Zubko, Yevgeniy I. Zubko, Waltraud M. Kriven","doi":"10.1111/ijac.70055","DOIUrl":"https://doi.org/10.1111/ijac.70055","url":null,"abstract":"This study investigates the effect of various microfillers on the abrasion resistance of metakaolin-based, geopolymer composites. Comparative tests were conducted on a baseline geopolymer and composites reinforced with chamotte powder, basalt microfiber, prestressed, solid, basalt glass microspheres (PSBGM), and their combinations. Abrasion resistance was evaluated according to ASTM C501-21 using the Taber Abraser. The results demonstrate that prestressed, solid, basalt glass microspheres significantly enhance wear resistance, both individually and in combination with chamotte powder or basalt microfiber. Quantitative analysis indicates that basalt-based microfillers enhance abrasion resistance by a factor of 3 to 4. This is due to the high surface microhardness of prestressed, solid, basalt glass microspheres, produced using the superheated melt method, which is approximately 7.1 GPa on the Vickers scale. These results confirm the potential of basalt microfillers and geopolymer matrices for developing highly wear-resistant, fully inorganic, composite materials, coatings, and repair mixtures.","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"22 6","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ceramics.onlinelibrary.wiley.com/doi/epdf/10.1111/ijac.70055","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The role of in situ formed lamellar Mg‒Al hydrotalcite on densification of high-chrome castables for coal gasifier 原位形成的层状镁铝水滑石对煤气炉用高铬浇注料致密化的作用

IF 2.3 4区材料科学

International Journal of Applied Ceramic Technology Pub Date : 2025-08-17 DOI: 10.1111/ijac.70046

Zixin Liao, Yawei Li, Ning Liao, Shengli Jin

{"title":"The role of in situ formed lamellar Mg‒Al hydrotalcite on densification of high-chrome castables for coal gasifier","authors":"Zixin Liao, Yawei Li, Ning Liao, Shengli Jin","doi":"10.1111/ijac.70046","DOIUrl":"https://doi.org/10.1111/ijac.70046","url":null,"abstract":"The gasifier is a critical component in coal gasification technology, enabling the efficient and environmentally friendly utilization of coal resources. However, premature failure of aluminum phosphate-bonded high-chrome bricks in the gasifier has been observed due to phosphate migration in reducing atmospheres, which exacerbates slag penetration and thermal spalling. In this study, hydratable alumina-bonded high-chrome castables were prepared, and the effect of active magnesia on their properties was investigated. Hydrates were characterized using X-ray diffraction, Fourier transform infrared, thermogravimetry‒differential scanning calorimetry, and scanning electron microscopy analyses. The results revealed that an appropriate amount of active magnesia could accelerate the hydration of hydratable alumina, promoting the formation of micro-nano-sized lamellar Mg‒Al hydrotalcite. This effectively filled the pores within the castables, thereby improving their properties. During heat treatment, the micro-nano-sized Mg‒Al hydrotalcites decomposed into micro-nano-sized MgAl2O4 spinel, which readily reacted with Cr2O3 to form Mg(Cr, Al)2O4 spinel solid solutions. This phenomenon facilitated sintering at 1600°C, optimizing the internal structure and ultimately leading to enhanced mechanical properties and improved slag resistance.","PeriodicalId":13903,"journal":{"name":"International Journal of Applied Ceramic Technology","volume":"22 6","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145196876","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