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

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Production of NiTi Alloys by MA–SHS Consolidation 通过 MA-SHS 固结法生产镍钛合金
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S1061386223040027
Yu. V. Bogatov, V. A. Shcherbakov
{"title":"Production of NiTi Alloys by MA–SHS Consolidation","authors":"Yu. V. Bogatov,&nbsp;V. A. Shcherbakov","doi":"10.3103/S1061386223040027","DOIUrl":"10.3103/S1061386223040027","url":null,"abstract":"<p>: Forced SHS compaction, mechanical activation, titanium nickelide, combustion temperature, burning velocity, phase composition</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"332 - 334"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498564","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
Solution Combustion Synthesis of ZnO Undoped and Doped with Fe, Co, Cu, and Mg Using Citric Acid as a Fuel for Photocatalytic Decomposition of Phenol 以柠檬酸为燃料，溶液燃烧合成未掺杂和掺杂铁、钴、铜和镁的氧化锌，用于光催化分解苯酚
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S1061386223040118
A. P. Amosov, V. A. Novikov, E. M. Kachkin, N. A. Kryukov, A. A. Titov, I. M. Sosnin, D. L. Merson
{"title":"Solution Combustion Synthesis of ZnO Undoped and Doped with Fe, Co, Cu, and Mg Using Citric Acid as a Fuel for Photocatalytic Decomposition of Phenol","authors":"A. P. Amosov,&nbsp;V. A. Novikov,&nbsp;E. M. Kachkin,&nbsp;N. A. Kryukov,&nbsp;A. A. Titov,&nbsp;I. M. Sosnin,&nbsp;D. L. Merson","doi":"10.3103/S1061386223040118","DOIUrl":"10.3103/S1061386223040118","url":null,"abstract":"<p>The solution combustion synthesis (SСS) was used to prepare ZnO from mixtures of solutions of zinc nitrate (oxidizer) and citric acid (fuel) with different fuel-to-oxidizer ratio, as well as for doping ZnO with one of the elements Fe, Co, Cu, and Mg whose concentration was 0.1, 0.3, 1, 3, 10, and 15 wt % when adding corresponding doping element nitrate to the reagent mixture. Combustion characteristics (ignition delay time, combustion duration, coefficient of product mass conservation), composition, and structure of combustion products were studied. It was shown that the content of carbon impurities in the combustion product can be reduced from 8–30 to 1 wt % as a result of calcination for 1 h at 650°C. Calcinated and attrition-ground ZnO powder consisting of individual highly dispersed (&lt;1 µm) nano-sized and submicron ZnO particles with an average crystallite size of 40 nm and sintered porous agglomerates ranging in size from 0.2 to 100 µm was found to exhibit high photocatalytic activity in the decomposition of phenol under ultraviolet irradiation. Doping ZnO with elements Fe, Co, and Cu decreased the photocatalytic activity, and only doping with 1 wt % Mg markedly increased it. However, both undoped and doped ZnO were not effective in photocatalytic decomposition of phenol under visible light.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"288 - 301"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498648","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
Preparation of Mo–Si–B Alloy via Centrifugal SHS of MoO3/Al/Si/B/Al2O3 mixture: Effect of Al 通过 MoO3/Al/Si/B/Al2O3 混合物的离心 SHS 制备 Mo-Si-B 合金：Al
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S1061386223040179
Yu. S. Vdovin, D. E. Andreev, V. I. Yukhvid, O. D. Boyarchenko
{"title":"Preparation of Mo–Si–B Alloy via Centrifugal SHS of MoO3/Al/Si/B/Al2O3 mixture: Effect of Al","authors":"Yu. S. Vdovin,&nbsp;D. E. Andreev,&nbsp;V. I. Yukhvid,&nbsp;O. D. Boyarchenko","doi":"10.3103/S1061386223040179","DOIUrl":"10.3103/S1061386223040179","url":null,"abstract":"<p>combustion, self-propagating high-temperature synthesis (SHS), Mo-based cast ceramic, gravity forces</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"354 - 356"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498653","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 of Copper Based Pigments 铜基颜料的合成
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S1061386223040167
N. I. Radishevskaya, A. Yu. Nazarova, O. V. L’vov, R. P. Minin
{"title":"Synthesis of Copper Based Pigments","authors":"N. I. Radishevskaya,&nbsp;A. Yu. Nazarova,&nbsp;O. V. L’vov,&nbsp;R. P. Minin","doi":"10.3103/S1061386223040167","DOIUrl":"10.3103/S1061386223040167","url":null,"abstract":"<p>Light turquoise pigment was synthesized by solution combustion of a mixture containing Al(OH)<sub>3</sub>, solutions of boric, citric, and phosphoric acids, and copper nitrate and subsequent annealing at temperatures up to 900°C. To increase the thermal stability of pigments, the synthesis was carried out using an aluminophosphate binder. The synthesized pigments were found to contain amorphous borates, boron phosphate, phosphates and pyrophosphates of aluminum and copper. The copper phosphide CuP<sub>2</sub> impurity formed during the synthesis process and subsequent annealing at 700°C gives the pigment a grayish tint but increases its anticorrosion properties.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"326 - 331"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498700","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
Granulation Effect on Chemically Activated SHS of MgAlON 化学活化二氧化硅镁的造粒效果
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S1061386223040106
D. I. Abzalov, T. G. Akopdzhanyan, N. I. Abzalov, R. A. Kochetkov, V. V. Grachev
{"title":"Granulation Effect on Chemically Activated SHS of MgAlON","authors":"D. I. Abzalov,&nbsp;T. G. Akopdzhanyan,&nbsp;N. I. Abzalov,&nbsp;R. A. Kochetkov,&nbsp;V. V. Grachev","doi":"10.3103/S1061386223040106","DOIUrl":"10.3103/S1061386223040106","url":null,"abstract":"<p>MgAlON were prepared by self-propagation high temperature synthesis (SHS) using powder and granular mixtures of aluminum, aluminum oxide, magnesium oxide, and magnesium perchlorate. The influence of granulation of starting particles of Al + Al<sub>2</sub>O<sub>3</sub> + MgO + Mg(ClO<sub>4</sub>)<sub>2</sub> powder mixtures on the microstructure and phase composition of combustion products was studied. It was revealed that the granulation of mixtures reduces the combustion temperature and burning velocity. It was found that the combustion products derived from granular mixtures consists of up to four phases (MgAlON, aluminum oxide, aluminum nitride, and unreacted aluminum), while the products of powder mixtures are represented by single MgAlON phase.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"338 - 343"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498468","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
Structure, Phase Composition, and Hardness of Ni3Al–TiC Composite Fabricated by Thermal Explosion of Nickel, Aluminum, and Titanium Carbide Powder Mixture 镍、铝和碳化钛粉末混合物热爆炸制备的 Ni3Al-TiC 复合材料的结构、相组成和硬度
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S1061386223040052
K. V. Ivanov, K. O. Akimov, M. G. Figurko
{"title":"Structure, Phase Composition, and Hardness of Ni3Al–TiC Composite Fabricated by Thermal Explosion of Nickel, Aluminum, and Titanium Carbide Powder Mixture","authors":"K. V. Ivanov,&nbsp;K. O. Akimov,&nbsp;M. G. Figurko","doi":"10.3103/S1061386223040052","DOIUrl":"10.3103/S1061386223040052","url":null,"abstract":"<p>Using scanning electron microscopy, X-ray phase analysis, and hardness measurement we investigated the structure, phase composition, and mechanical properties of Ni<sub>3</sub>Al–TiC composite (TiC content varied in the interval from 0 to 30 vol %) fabricated by self-propagating high-temperature synthesis in the thermal explosion mode from a powder mixture of nickel, aluminum, and titanium carbide. It was found that the synthesis of Ni<sub>3</sub>Al intermetallic compound occurred almost completely when TiC content in the green powder mixture was up to 15 vol %. TiC particles were arranged in clusters and individually. Each particle, including in the clusters, was surrounded with the matrix material. The hardness of the composite essentially increased with an increase in the TiC content in the green powder mixture up to 10 vol %. Then the hardness gain was slow. The matrix of the composite contained Ni<sub>3</sub>Al and NiAl intermetallic phases as well as unreacted nickel when the fraction of TiC in the green powder mixture increased to 30 vol %. TiC particles were adjacent to each other in the clusters and there was a free volume between them. Thus, it was concluded that the synthesis of Ni<sub>3</sub>Al–TiC composite under thermal explosion condition from the mixture of nickel, aluminum, and titanium carbide powders satisfactorily took place when the fraction of titanium carbide in the green powder mixture was 15 vol % and less.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"278 - 287"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498701","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 of Ti–Si–C Mixtures: Impact of Medium Structure and Impurity Gas Release 钛-硅-碳混合物的燃烧：介质结构和杂质气体释放的影响
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S106138622304009X
B. S. Seplyarskii, R. A. Kochetkov, T. G. Lisina, N. I. Abzalov, D. S. Vasilyev
{"title":"Combustion of Ti–Si–C Mixtures: Impact of Medium Structure and Impurity Gas Release","authors":"B. S. Seplyarskii,&nbsp;R. A. Kochetkov,&nbsp;T. G. Lisina,&nbsp;N. I. Abzalov,&nbsp;D. S. Vasilyev","doi":"10.3103/S106138622304009X","DOIUrl":"10.3103/S106138622304009X","url":null,"abstract":"<p>A study was made of the combustion of powder and granular mixtures (1 – <i>X</i>)(Ti + C) + <i>X</i>(5Ti + 3Si), where 0 ≤ <i>X</i> ≤ 1, on the base of titanium powder with the characteristic size of Ti particles <i>d</i>(Ti) = 120 μm. The values of the burning velocity of powder mixtures were shown to depend on the free volume above the charge in the reactor. The velocity dependences on <i>X</i> had a maximum at about <i>X</i> = 0.4 in contrast to minimum in the earlier study of the same mixtures with <i>d</i>(Ti) = 20 μm. The results were explained using the convective–conductive model of combustion. It was shown that the velocity of the combustion front of the powder mixture depends on the location of the predominant release of impurity gas in the charge: in front of or behind the melt layer. The maximum content of the liquid phase in the reaction mixture at 0.4 &lt; <i>X</i> &lt; 0.6 ensured the high filtration resistance of the melt layer and its maximum (at <i>d</i>(Ti) = 120 μm) or minimum (at <i>d</i>(Ti) = 20 μm) propagation velocity. Changing the structure of mixtures by granulation ensured the leveling of the effect of impurity gases and a decrease in the burning velocity corresponding to the decrease in the content of desorbing components, titanium and soot.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"258 - 263"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498713","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
Discrete Model of Combustion in a Sample Consisting of Activated and Nonactivated Cells Separated by Gas Dispersed Interlayers 由气体分散夹层隔离的活化细胞和非活化细胞组成的样品中燃烧的离散模型
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S1061386223040076
O. V. Lapshin, V. G. Prokof’ev
{"title":"Discrete Model of Combustion in a Sample Consisting of Activated and Nonactivated Cells Separated by Gas Dispersed Interlayers","authors":"O. V. Lapshin,&nbsp;V. G. Prokof’ev","doi":"10.3103/S1061386223040076","DOIUrl":"10.3103/S1061386223040076","url":null,"abstract":"<p>An inhomogeneous model of gas-free combustion of a mixture consisting of activated and non-activated cells was proposed. The structure of the combustion wave was studied to suit the scale of heterogeneity, reaction cell size. The influence of gas dispersed layers separating the reaction cells on the burning velocity of a combined mixture was analyzed. The burning velocity dependences at varying effective porosity, effective thermal conductivity, and external heat transfer parameters were constructed.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"247 - 253"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498458","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
High-Temperature Synthesis of (Cr/Ti)C–FeAl Cast Alloys (Cr/Ti)C-FeAl 铸造合金的高温合成
IF 0.5
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-01-18 DOI: 10.3103/S1061386223040155
P. A. Miloserdov, V. A. Gorshkov, O. M. Miloserdova, N. Yu. Khomenko
{"title":"High-Temperature Synthesis of (Cr/Ti)C–FeAl Cast Alloys","authors":"P. A. Miloserdov,&nbsp;V. A. Gorshkov,&nbsp;O. M. Miloserdova,&nbsp;N. Yu. Khomenko","doi":"10.3103/S1061386223040155","DOIUrl":"10.3103/S1061386223040155","url":null,"abstract":"","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 4","pages":"347 - 353"},"PeriodicalIF":0.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498487","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
SHS of Al70Co15Ni15 and Al65Cu20Co15 Quasicrystals Al70Co15Ni15和Al65Cu20Co15准晶的SHS
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2023-09-05 DOI: 10.3103/S1061386223030056
M. L. Busurina, A. E. Sytschev, P. A. Lazarev, O. D. Boyarchenko, A. O. Sivakova, Yu. G. Morozov
{"title":"SHS of Al70Co15Ni15 and Al65Cu20Co15 Quasicrystals","authors":"M. L. Busurina,&nbsp;A. E. Sytschev,&nbsp;P. A. Lazarev,&nbsp;O. D. Boyarchenko,&nbsp;A. O. Sivakova,&nbsp;Yu. G. Morozov","doi":"10.3103/S1061386223030056","DOIUrl":"10.3103/S1061386223030056","url":null,"abstract":"<p>Decagonal quasicrystals in Al–Co–Ni and Al–Co–Cu systems were first prepared by SHS method. XRD analysis showed that the synthesis of Al–Co–Cu system yields Al<sub>70</sub>Co<sub>15</sub>Ni<sub>15</sub> quasicrystalline phase; meanwhile, in the Al–Co–Ni system, the synthesized product contains Al<sub>70</sub>Co<sub>15</sub>Ni<sub>15</sub> quasicrystals as a basis with minor addition of cubic Al<sub>58</sub>Co<sub>76</sub>Ni<sub>66</sub> phase. Both synthesized materials have weak magnetic properties with maximum magnetization of 0.145–0.730 emu/g for the applied magnetic field of 10 kOe.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"32 3","pages":"215 - 220"},"PeriodicalIF":0.6,"publicationDate":"2023-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4234003","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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