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Refractories and Industrial Ceramics最新文献

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Synthesis and Research of Mullite-Thialite Ceramics Modified with Oxides of the RO2 Type 用 RO2 型氧化物改性的莫来石-钛铁矿陶瓷的合成与研究
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-13 DOI: 10.1007/s11148-023-00821-1
R. Yu. Popov, O. A. Sergievich, T. V. Kolontaeva, E. O. Bogdan, E. M. Dyatlova
{"title":"Synthesis and Research of Mullite-Thialite Ceramics Modified with Oxides of the RO2 Type","authors":"R. Yu. Popov,&nbsp;O. A. Sergievich,&nbsp;T. V. Kolontaeva,&nbsp;E. O. Bogdan,&nbsp;E. M. Dyatlova","doi":"10.1007/s11148-023-00821-1","DOIUrl":"10.1007/s11148-023-00821-1","url":null,"abstract":"<p>The physicochemical and thermophysical properties and phase composition of heat-resistant ceramic materials synthesized based on the Al<sub>2</sub>O<sub>3</sub>–SiO<sub>2</sub>–TiO<sub>2</sub> system were studied. The influence of modifying additives such as <i>R</i>O<sub>2</sub> (ZrO<sub>2</sub>, SnO<sub>2</sub>, CeO<sub>2</sub>, and MnO<sub>2</sub>) on the sintering and phase formation processes of ceramic materials was studied. Samples of mullite-thialite ceramics modified with SnO<sub>2</sub> and CeO<sub>2</sub> in the amounts of 5% and 7.5%, respectively, were characterized by water absorption from 0.2 to 2.2% and CLTE in the range 2.4 × 10<sup>–6</sup> – 3.2 × 10<sup>–6</sup> K<sup>–1</sup>. The developed materials could withstand greater than 70 heating and cooling cycles and could be used to work under conditions of sudden temperature changes.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"174 - 179"},"PeriodicalIF":0.4,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138628741","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
Dependence of the Formation of the Five-Layer Aurivillius Phase on the Chemical Prehistory of the Initial Composition 五层奥里维利乌斯相的形成取决于初始成分的化学前史
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-13 DOI: 10.1007/s11148-023-00814-0
N. A. Lomanova, M. V. Tomkovich, V. L. Ugolkov
{"title":"Dependence of the Formation of the Five-Layer Aurivillius Phase on the Chemical Prehistory of the Initial Composition","authors":"N. A. Lomanova,&nbsp;M. V. Tomkovich,&nbsp;V. L. Ugolkov","doi":"10.1007/s11148-023-00814-0","DOIUrl":"10.1007/s11148-023-00814-0","url":null,"abstract":"<p>Materials with a layered perovskite-like structure of the Aurivillius phase type are important for technology fields such as magnetoelectronics and photocatalysis. Features of phase formation during the synthesis of nano- and macrocrystalline materials based on Bi<sub>6</sub>Fe<sub>2</sub>Ti<sub>3</sub>O<sub>18</sub> with the five-layer Aurivillius phase structure are described. Samples were characterized by powder XRD, DSC/TG, dilatometry, and SEM/EDX. The temperatures of the beginning of formation, the Curie point, the beginning of decomposition and activation of sintering of the obtained materials, and the value of the coefficient of linear thermal expansion were determined. The technological possibility of controlling the dispersion of the obtained materials by changing the synthesis conditions is shown.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"126 - 130"},"PeriodicalIF":0.4,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138628646","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
Material Distribution in the Channel Height in Critical Regimes of Vertical Two-Phase Flows 垂直两相流临界状态下河道高度的物质分布
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-12 DOI: 10.1007/s11148-023-00812-2
E. Barsky
{"title":"Material Distribution in the Channel Height in Critical Regimes of Vertical Two-Phase Flows","authors":"E. Barsky","doi":"10.1007/s11148-023-00812-2","DOIUrl":"10.1007/s11148-023-00812-2","url":null,"abstract":"<p>Many problems arising at the development of a mathematical model of critical regimes of two-phase flows are connected with the necessary account for differently directed motion of particles at all levels of the channel simultaneously. These problems were solved by developing a discrete-stationary model of the process. Recurrent equations allowing us to determine solid phase distribution both in ordinary conditions and in optimal separation regimes were derived and solved.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"115 - 118"},"PeriodicalIF":0.4,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138572226","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
Selection of an Alumina Grade for Manufacturing Alumina Ceramics 为制造氧化铝陶瓷选择氧化铝等级
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-11 DOI: 10.1007/s11148-023-00817-x
P. M. Pletnev, Yu. K. Nepochatov
{"title":"Selection of an Alumina Grade for Manufacturing Alumina Ceramics","authors":"P. M. Pletnev,&nbsp;Yu. K. Nepochatov","doi":"10.1007/s11148-023-00817-x","DOIUrl":"10.1007/s11148-023-00817-x","url":null,"abstract":"<p>The article provides results of a study of alumina ceramic production based on domestic grades of alumina: GN, GÉF, GK-1, GRT. The different initial state of alumina of different grades in terms of purity and fineness is reflected in the shape and size of granules of pressed powders and in alumina ceramic physical and mechanical properties. Use alumina of domestic producers did not provide preparation of high-quality alumina ceramics. The maximum attainable apparent density value of fired ceramic did not exceed 3.80 – 3.84 g/cm<sup>3</sup>. Overseas alumina brands Almatis CT 3000 SG and Nabalox 713-10 NM (Germany) have high purity, fineness and an α-Al<sub>2</sub>O<sub>3</sub> content of more than 99.0 wt.%, which ensures production of alumina ceramics with a high apparent density at 3.94 – 3.96 g/cm<sup>3</sup> and can be used for production of alumina ceramics with a high level of physical and engineering properties.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"147 - 151"},"PeriodicalIF":0.4,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138568116","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
Technological Features of the Synthesis of Heat-Resistant Ceramics in the NiO–YSZ System with the Possibility of Using Additive Technology 利用添加剂技术在 NiO-YSZ 体系中合成耐热陶瓷的技术特点
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-11 DOI: 10.1007/s11148-023-00815-z
M. A. Markov, A. N. Belyakov, A. D. Bykova, A. N. Chekuryaev, D. A. Dyuskina, A. D. Kashtanov
{"title":"Technological Features of the Synthesis of Heat-Resistant Ceramics in the NiO–YSZ System with the Possibility of Using Additive Technology","authors":"M. A. Markov,&nbsp;A. N. Belyakov,&nbsp;A. D. Bykova,&nbsp;A. N. Chekuryaev,&nbsp;D. A. Dyuskina,&nbsp;A. D. Kashtanov","doi":"10.1007/s11148-023-00815-z","DOIUrl":"10.1007/s11148-023-00815-z","url":null,"abstract":"<p>Technological aspects of the synthesis of heat-resistant ceramics in the NiO–YSZ system using an oxidizable Ni-based cermet composite, including testing the use of additive synthesis technology to enable the production of items of complex shape, have been studied. The key functional characteristics of the materials were determined based on the results of the synthesis. In particular, oxidation of prototypes was found to be accompanied by a volume increase of the ceramics by ~10%.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"131 - 135"},"PeriodicalIF":0.4,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138568201","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
Effects of Sintering Temperature on Microstructure and Mechanical Properties of Pressureless Sintering Alumina Ceramics with Al2O3–SiO2–CaO Sintering Aids 烧结温度对 Al2O3-SiO2-CaO 无压烧结氧化铝陶瓷微观结构和机械性能的影响
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-11 DOI: 10.1007/s11148-023-00816-y
Donghai Ding, Yue Guan, Guoqing Xiao, Zhaoyuan Mao, Xiaoqi Shi, Kaiqiang Gao, Xiaochuan Chong, Jiyuan Luo, Changkun Lei
{"title":"Effects of Sintering Temperature on Microstructure and Mechanical Properties of Pressureless Sintering Alumina Ceramics with Al2O3–SiO2–CaO Sintering Aids","authors":"Donghai Ding,&nbsp;Yue Guan,&nbsp;Guoqing Xiao,&nbsp;Zhaoyuan Mao,&nbsp;Xiaoqi Shi,&nbsp;Kaiqiang Gao,&nbsp;Xiaochuan Chong,&nbsp;Jiyuan Luo,&nbsp;Changkun Lei","doi":"10.1007/s11148-023-00816-y","DOIUrl":"10.1007/s11148-023-00816-y","url":null,"abstract":"<p>The alumina ceramics with high compressive strength were prepared by pressureless sintering, and the kaolinite and calcium carbonate were added as Al<sub>2</sub>O<sub>3</sub>–SiO<sub>2</sub>–CaO sintering aids. The effects of sintering temperature on the volume shrinkage, bulk density, water absorption and compressive strength of the alumina ceramics were studied. The phase composition, crystal cell parameters, average grain size and microstructure of the ceramic were analyzed by XRD, SEM and EDS. The results show that the lattice tends to packed with the increase of sintering temperature. The bonding between grains is the most compact after sintering at 1700°C. The volume shrinkage increases with the increase of sintering temperature. The water absorption of alumina ceramics after sintering at 1700°C reaches the minimum value of 0.06%. The bulk density and compressive strength increase first and then decrease with the increase of sintering temperature. At 1700°C, optimized mechanical properties of alumina ceramics is obtained, with a bulk density of 3.80 g/cm<sup>3</sup> and a compressive strength of 1323 MPa.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"136 - 146"},"PeriodicalIF":0.4,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138981319","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
Industrial Utilization of Complex, Multicomponent Technogenic Formations and their Safe Displacement 复杂、多成分技术成因地层的工业利用及其安全置换
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-07 DOI: 10.1007/s11148-023-00810-4
S. Ya. Davydov, R. A. Apakashev, N. G. Valiev, V. A. Perepelitsyn
{"title":"Industrial Utilization of Complex, Multicomponent Technogenic Formations and their Safe Displacement","authors":"S. Ya. Davydov,&nbsp;R. A. Apakashev,&nbsp;N. G. Valiev,&nbsp;V. A. Perepelitsyn","doi":"10.1007/s11148-023-00810-4","DOIUrl":"10.1007/s11148-023-00810-4","url":null,"abstract":"<p>The article presents the description of slags produced by the Klyuchevskaya Concentrating Plant; samples of metallic chromium, ferrochrome, and ferrotitanium slag are described. In addition, the chemical composition of slag used for producing high-alumina refractory cement, physical and mechanical properties of cement obtained by remelting metallic chromium slags, and charge compositions during the remelting of metallic chromium slags are described. Finally, the scheme of covering the bottom of the dump truck body is discussed.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"103 - 108"},"PeriodicalIF":0.4,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138554229","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
High-Temperature Plastic Deformation of MgO Products 氧化镁产品的高温塑性变形
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-07 DOI: 10.1007/s11148-023-00823-z
I. A. Datsko
{"title":"High-Temperature Plastic Deformation of MgO Products","authors":"I. A. Datsko","doi":"10.1007/s11148-023-00823-z","DOIUrl":"10.1007/s11148-023-00823-z","url":null,"abstract":"<p>This article presents theoretical information about high-temperature plastic deformation (creep), as well as criteria for its evaluation. Results of practical determination of creep of high-purity periclase refractory material are provided. The basic parameters (apparent activation energy, exponential load ratio) describing the process are determined. Influence of temperature and load changes on the process of high-temperature plastic deformation is studied.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"184 - 187"},"PeriodicalIF":0.4,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138554314","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
Influence of Graphite Additives on Tribological Properties of Nickel-Containing Hard Alloys 石墨添加剂对含镍硬质合金摩擦学特性的影响
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-12-07 DOI: 10.1007/s11148-023-00822-0
V. A. Khorev, S. Yu. Kurochkin, V. I. Runyantsev, V. N. Fishchev, G. A. Ponomarenko
{"title":"Influence of Graphite Additives on Tribological Properties of Nickel-Containing Hard Alloys","authors":"V. A. Khorev,&nbsp;S. Yu. Kurochkin,&nbsp;V. I. Runyantsev,&nbsp;V. N. Fishchev,&nbsp;G. A. Ponomarenko","doi":"10.1007/s11148-023-00822-0","DOIUrl":"10.1007/s11148-023-00822-0","url":null,"abstract":"<p>Hard alloys are successfully used as friction units under exposure to high loads, aggressive and abrasive media. However, despite all the advantages of traditional hard-alloy materials, slide bearings based on them demonstrate low performance in case of insufficient or no lubrication. The addition of graphite to a nickel-containing hard alloy increases the operating time under the dry friction conditions and improves the load-bearing capacity in the presence of a lubricant, as well as the thermal conductivity of the material.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 2","pages":"180 - 183"},"PeriodicalIF":0.4,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138554098","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
Incorporation of Metallic Components Into a Structure of Titanium Carbonitride at Ultra-High Load and Temperature of Spark Plasma Sintering and at Different Compaction Pressures During Explosive Method 在超高载荷、火花等离子烧结温度和不同压实压力下，金属成分加入碳氮化钛结构
IF 0.4 4区 材料科学
Refractories and Industrial Ceramics Pub Date : 2023-11-25 DOI: 10.1007/s11148-023-00808-y
A. V. Hmelov
{"title":"Incorporation of Metallic Components Into a Structure of Titanium Carbonitride at Ultra-High Load and Temperature of Spark Plasma Sintering and at Different Compaction Pressures During Explosive Method","authors":"A. V. Hmelov","doi":"10.1007/s11148-023-00808-y","DOIUrl":"10.1007/s11148-023-00808-y","url":null,"abstract":"<p>The article shows the effect of ultra-high pressing load of 1,8 GPa at 1850°C during spark plasma sintering, compaction pressures of 1,56 and 2,12 GPa at 1080 and 1150°C, respectively during explosive sintering of ceramic and metallic powder mixtures on the phase composition, microstructure, grain sizes of crystalline phases, relative density, linear shrinkage, microstructural features of boundary layers, microcracks paths, physico-mechanical properties of mullite–(Ti,Cr,V,Mo)(C,N)–<i>c</i>-ZrO<sub>2</sub>–β-Si<sub>3</sub>N<sub>4</sub>–<i>c</i>–BN–Mo–V–Cr and mullite–(Ti,Cr,V,Mo)(C,N)– β-Si<sub>3</sub>N<sub>4</sub>–B<sub>4</sub>C–Mo–V–Cr samples. Synthesized powders Ti(C<sub>0.7</sub>N<sub>0.3</sub>), β-Si<sub>3</sub>N<sub>4</sub>, B<sub>4</sub>C, <i>h</i>-BN are characterized by different crystallization intensity of phases Ti(C<sub>0.7</sub>N<sub>0.3</sub>), β-Si<sub>3</sub>N<sub>4</sub>, B<sub>4</sub>C, and <i>h</i>-BN, respectively. Spark plasma-sintered <i>c</i>-ZrO<sub>2</sub> at 1400°C shows intensive crystallization of the <i>c</i>-ZrO<sub>2</sub> phase, as well as crystalline, uniform and dense microstructure. The samples sintered by spark plasma method at ultra-high pressing load of 1,8 GPa show intensive mullitization, crystallization of (Ti,Cr,V,Mo)(C,N), β-SiAlON, <i>c</i>-ZrO<sub>2</sub>, γ-Si<sub>3</sub>N<sub>4</sub>, and <i>c</i>-C<sub>3</sub>N<sub>4</sub> phases, more crystalline, uniform and densely sintered microstructures, polydisperse grains of crystalline phases at 1850°C unlike the samples produced by the explosive sintering. The samples sintered by different methods differ by density, homogeneity, path, width of the boundary layers of ceramic phases, and propagating microcracks across these boundary layers, resistance to cracking, as well as different values of physico-mechanical properties.</p>","PeriodicalId":751,"journal":{"name":"Refractories and Industrial Ceramics","volume":"64 1","pages":"75 - 95"},"PeriodicalIF":0.4,"publicationDate":"2023-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138507334","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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