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International Journal of Self-Propagating High-Temperature Synthesis最新文献

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Regularities of Combustion of Ti + 2B Mixture: Mechanical Activation of Boron Ti + 2B混合物燃烧规律：硼的机械活化
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-04-23 DOI: 10.3103/S1061386224700432
Yu. V. Bogatov, V. A. Shcherbakov
{"title":"Regularities of Combustion of Ti + 2B Mixture: Mechanical Activation of Boron","authors":"Yu. V. Bogatov,&nbsp;V. A. Shcherbakov","doi":"10.3103/S1061386224700432","DOIUrl":"10.3103/S1061386224700432","url":null,"abstract":"<p>TiB<sub>2</sub> ceramics were produced by forced SHS compaction. The influence of preliminary mechanical activation of boron powder on the properties and combustion characteristics of Ti + 2B reaction mixture was studied. Mechanically activated boron powder was shown to become plastic under a pressure above 30 MPa. In mixtures with titanium, activated boron acted as a lubricant allowing free movement of coarser titanium particles relative to each other and consolidation to higher density values (0.8) without intensive growth of contact surface between the titanium particles (Ti–Ti). Mechanical activation was found to increase the contact surface between reactants (Ti–B) and consequently, the combustion temperature up to 3000°C.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"34 1","pages":"65 - 70"},"PeriodicalIF":0.5,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143865469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time-Resolved X-ray Diffraction Study of Phase Transformations in TiC–CoCrFeNiCu System during SHS SHS过程中TiC-CoCrFeNiCu体系相变的时间分辨x射线衍射研究
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-04-23 DOI: 10.3103/S1061386224700456
A. S. Rogachev, I. D. Kovalev, M. R. Sharafutdinov, D. Yu. Kovalev, S. G. Vadchenko
{"title":"Time-Resolved X-ray Diffraction Study of Phase Transformations in TiC–CoCrFeNiCu System during SHS","authors":"A. S. Rogachev,&nbsp;I. D. Kovalev,&nbsp;M. R. Sharafutdinov,&nbsp;D. Yu. Kovalev,&nbsp;S. G. Vadchenko","doi":"10.3103/S1061386224700456","DOIUrl":"10.3103/S1061386224700456","url":null,"abstract":"<p>The article presents the results of a study of the dynamics of structure formation in the ceramic–metal material TiC–CoCrFeNiCu with a high-entropy binder in the self-propagating high-temperature synthesis (SHS) mode. The studies were carried out in situ using dynamic X-ray and synchrotron radiation diffraction (“diffraction cinema”). It was shown that these two methods complement each other and allow one to obtain a fairly complete picture of the evolution of phase composition and crystal structure of multicomponent systems during SHS. The results obtained demonstrate new possibilities for direct experimental study of structure formation in high-entropy materials.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"34 1","pages":"76 - 80"},"PeriodicalIF":0.5,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143865471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 Gravitational Forces on the Stability of Quasi-Isobaric Combustion of a Titanium Powder Layer 重力对钛粉层准等压燃烧稳定性的影响
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-04-23 DOI: 10.3103/S1061386224700377
P. M. Krishenik, S. V. Kostin, S. A. Rogachev
{"title":"Influence of Gravitational Forces on the Stability of Quasi-Isobaric Combustion of a Titanium Powder Layer","authors":"P. M. Krishenik,&nbsp;S. V. Kostin,&nbsp;S. A. Rogachev","doi":"10.3103/S1061386224700377","DOIUrl":"10.3103/S1061386224700377","url":null,"abstract":"<p>The regularities of filtration combustion of porous layer of titanium powder in adjacent inclined channels were studied. The influence of gravitational forces on combustion stability, change of gas filtration modes during combustion, and formation and propagation of cellular afterburning waves was analyzed.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"34 1","pages":"10 - 15"},"PeriodicalIF":0.5,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143865539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modifying Zinc Oxide Nanoparticles: The Role of Cobalt Doping on Structural and Mechanical Behavior 修饰氧化锌纳米颗粒：钴掺杂对结构和力学行为的影响
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-04-23 DOI: 10.3103/S1061386224700420
P. Patil, B. Sannakki, S. Mathad, R. Pujar
{"title":"Modifying Zinc Oxide Nanoparticles: The Role of Cobalt Doping on Structural and Mechanical Behavior","authors":"P. Patil,&nbsp;B. Sannakki,&nbsp;S. Mathad,&nbsp;R. Pujar","doi":"10.3103/S1061386224700420","DOIUrl":"10.3103/S1061386224700420","url":null,"abstract":"<p>In the present study, a series of pure and cobalt-doped zinc oxide nanoparticle samples with different concentrations (15, 25, 35, and 45%) of cobalt were successfully synthesized using sol–gel auto-combustion method followed by annealing at 800°C. The crystal structure was characterized using an X-ray diffractometer, revealing that all synthesized samples had hexagonal wurtzite structure. The lattice constants (<i>a</i> and <i>c</i>), crystallite sizes (<i>D</i>), unit cell volume (<i>V</i>), and microstrain (ε) were reported. The Williamson–Hall plot and size–strain plot were also employed to understand the structural and mechanical attributes of the synthesized samples.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"34 1","pages":"56 - 64"},"PeriodicalIF":0.5,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143865467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fuel Effect on the Structural, Morphological, and Electrical Properties of Perovskite-Type Mixed Oxide La0.7Ca0.3Mn1–xNixO3 (x = 0 and 0.07) Synthesized through Gel Combustion 燃料对凝胶燃烧合成钙钛矿型混合氧化物La0.7Ca0.3Mn1-xNixO3 （x = 0和0.07）结构、形态和电学性能的影响
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-04-23 DOI: 10.3103/S1061386224700390
S. L. Amaya Bustos, A. Gómez Zapata, J. D. Ortega Mesa, O. Morán, E. Chavarriaga
{"title":"Fuel Effect on the Structural, Morphological, and Electrical Properties of Perovskite-Type Mixed Oxide La0.7Ca0.3Mn1–xNixO3 (x = 0 and 0.07) Synthesized through Gel Combustion","authors":"S. L. Amaya Bustos,&nbsp;A. Gómez Zapata,&nbsp;J. D. Ortega Mesa,&nbsp;O. Morán,&nbsp;E. Chavarriaga","doi":"10.3103/S1061386224700390","DOIUrl":"10.3103/S1061386224700390","url":null,"abstract":"<p>The solution combustion synthesis method was used to prepare samples with stoichiometric La<sub>0.7</sub>Ca<sub>0.3</sub>Mn<sub>1–x</sub>Ni<sub>x</sub>O<sub>3</sub> (<i>x</i> = 0 and 0.07) using glycine and tris(hydroxymethyl)aminomethane (TRIS) as fuels. X-ray diffraction showed that the samples crystallized into an orthorhombic structure of the <i>Pnma</i> space group with slight changes in the lattice parameters according to the type of fuel used, which can be attributed to their heat capacity. Likewise, using the transmission electron microscope technique, conglomerates of particles with relatively uniform morphology and crystallite sizes that varied in a range of 17–26 nm were observed. The electrical behavior exhibited a metal–semiconductor transition that displaced the temperature peak towards lower values, according to the Ni content. It was concluded that the properties of this type of complex inorganic oxide such as manganites can be varied with the use of different fuels in the synthesis process.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"34 1","pages":"33 - 41"},"PeriodicalIF":0.5,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143865472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Features of Selective Laser Melting of SHS-Prepared Intermetallic Alloy Ti20Al3Si9 shs制备Ti20Al3Si9金属间合金的选择性激光熔化特性
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-01-20 DOI: 10.3103/S1061386224700328
P. A. Lazarev, A. S. Raznoschikov, M. L. Busurina, O. D. Boyarchenko, I. D. Kovalev, A. E. Sytschev
{"title":"Features of Selective Laser Melting of SHS-Prepared Intermetallic Alloy Ti20Al3Si9","authors":"P. A. Lazarev,&nbsp;A. S. Raznoschikov,&nbsp;M. L. Busurina,&nbsp;O. D. Boyarchenko,&nbsp;I. D. Kovalev,&nbsp;A. E. Sytschev","doi":"10.3103/S1061386224700328","DOIUrl":"10.3103/S1061386224700328","url":null,"abstract":"<p>Selective laser melting (SLM) was first used to deposit products made of SHS-produced intermetallic alloy Ti<sub>20</sub>Al<sub>3</sub>Si<sub>9</sub> powder on the Ti substrate. It was shown that formed Ti<sub>20</sub>Al<sub>3</sub>Si<sub>9</sub> alloy/Ti substrate composites have a strong bond. The influence of SLM parameters for processing SHS-produced powder on microstructure and phase composition of clad samples was studies.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 4","pages":"287 - 294"},"PeriodicalIF":0.5,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low-Temperature Sintering of SHS-Produced SiC-Based Porous Ceramics shs制备sic基多孔陶瓷的低温烧结研究
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-01-20 DOI: 10.3103/S1061386224700262
A. O. Kirillov, R. D. Kapustin, V. I. Uvarov, O. D. Boyarchenko
{"title":"Low-Temperature Sintering of SHS-Produced SiC-Based Porous Ceramics","authors":"A. O. Kirillov,&nbsp;R. D. Kapustin,&nbsp;V. I. Uvarov,&nbsp;O. D. Boyarchenko","doi":"10.3103/S1061386224700262","DOIUrl":"10.3103/S1061386224700262","url":null,"abstract":"<p>Porous ceramic materials were sintered from fine SiC filler powder produced via SHS with binders SiO<sub>2</sub> and MgO at temperatures of 800–1300°C. The effect of sintering temperature on the properties of the resulting ceramics such as pore size, open porosity, bending strength, and pure water permeability was investigated. SiC-based membrane rejected completely solid SiC particles with <i>D</i><sub>50</sub> = 0.5 μm while maintaining stable permeability and physical and mechanical characteristics after repeated filtration/regeneration cycles.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 4","pages":"280 - 286"},"PeriodicalIF":0.5,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and Sintering of MgAlON: Influence of Sintering Additives MgAlON的合成与烧结：烧结添加剂的影响
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-01-20 DOI: 10.3103/S1061386224700286
T. G. Akopdzhanyan, D. I. Abzalov
{"title":"Synthesis and Sintering of MgAlON: Influence of Sintering Additives","authors":"T. G. Akopdzhanyan,&nbsp;D. I. Abzalov","doi":"10.3103/S1061386224700286","DOIUrl":"10.3103/S1061386224700286","url":null,"abstract":"<p>MgAlON ceramics were prepared by combined use of self-propagating high-temperature synthesis of Al + Al<sub>2</sub>O<sub>3</sub> + MgO + Mg(ClO<sub>4</sub>)<sub>2</sub> mixtures doped with sintering agent LiF, CaCO<sub>3</sub> or La<sub>2</sub>O<sub>3</sub> + Y<sub>2</sub>O<sub>3</sub> + MgO and pressureless sintering. The effect of additives on the combustion process and phase formation of synthesized products, as well as their subsequent sintering was studied. Introduction of 10 wt % CaCO<sub>3</sub> was shown to lower the combustion temperature followed by stopping the combustion front. It was revealed that the density of sintered ceramic materials reaches 90% of the theoretical value. The sintered sample prepared by doping with 0.6 wt % CaCO<sub>3</sub> was found to possess the highest density (3.3 g/cm<sup>3</sup>) and light transmittance (16%).</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 4","pages":"303 - 307"},"PeriodicalIF":0.5,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Combustion Synthesis of Titanium Nitride in a Controlled Reagent-Feed Reactor 可控进料反应器中氮化钛的燃烧合成
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-01-20 DOI: 10.3103/S1061386224700316
A. V. Linde, V. V. Grachev
{"title":"Combustion Synthesis of Titanium Nitride in a Controlled Reagent-Feed Reactor","authors":"A. V. Linde,&nbsp;V. V. Grachev","doi":"10.3103/S1061386224700316","DOIUrl":"10.3103/S1061386224700316","url":null,"abstract":"","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 4","pages":"324 - 326"},"PeriodicalIF":0.5,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Ionization during SHS of Ti–Al–Mg System Ti-Al-Mg体系SHS过程中的热电离作用
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2025-01-20 DOI: 10.3103/S106138622470033X
P. A. Lazarev, V. Yu. Barinov, A. E. Sytschev
{"title":"Thermal Ionization during SHS of Ti–Al–Mg System","authors":"P. A. Lazarev,&nbsp;V. Yu. Barinov,&nbsp;A. E. Sytschev","doi":"10.3103/S106138622470033X","DOIUrl":"10.3103/S106138622470033X","url":null,"abstract":"","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 4","pages":"327 - 329"},"PeriodicalIF":0.5,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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