发布求助
文献互助 智能选刊 最新文献

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

筛选
英文 中文
Discrete 2D Model of Combustion in a Binary Mixture Containing Mechanically Activated and Non-Activated Layers 包含机械活化层和非活化层的二元混合物燃烧的离散二维模型
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-09-15 DOI: 10.3103/S1061386222030062
O. V. Lapshin, V. G. Prokof’ev
{"title":"Discrete 2D Model of Combustion in a Binary Mixture Containing Mechanically Activated and Non-Activated Layers","authors":"O. V. Lapshin,&nbsp;V. G. Prokof’ev","doi":"10.3103/S1061386222030062","DOIUrl":"10.3103/S1061386222030062","url":null,"abstract":"<p>A discrete 2D model of combustion process in donor–acceptor mixture consisting of activated and non-activated reaction cells was proposed. The influence of the activated composition fraction and cell size on the burning velocity of a combined mixture was analyzed. Calculations showed that an increase in the activated composition fraction elevates the average burning velocity. It was found that burning velocity vs cell size dependence passes through a maximum.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 3","pages":"114 - 120"},"PeriodicalIF":0.6,"publicationDate":"2022-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4632510","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
Thermally Coupled SHS Processes: Numerical Modeling 热耦合SHS过程:数值模拟
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-09-15 DOI: 10.3103/S1061386222030074
V. G. Prokof’ev
{"title":"Thermally Coupled SHS Processes: Numerical Modeling","authors":"V. G. Prokof’ev","doi":"10.3103/S1061386222030074","DOIUrl":"10.3103/S1061386222030074","url":null,"abstract":"<p>Unsteady spatial modes of gasless combustion in parallelepiped-shaped sample containing two powder mixtures separated by low-melting inert layer were numerically modelled. Samples with square cross section were found to burn both in stationary and in unsteady periodic modes depending on the thermal conductivity of the inert inner layer. Combustion of sample with an active inner layer in quasi-stationary control modes when the average burning velocities of the donor and acceptor mixtures are the same were studied.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 3","pages":"109 - 113"},"PeriodicalIF":0.6,"publicationDate":"2022-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4632520","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 Ultra-High-Temperature Ta4HfC5–HfB2 Composites by Electro-thermal Explosion under Pressure 高压电热爆炸法制备超高温Ta4HfC5-HfB2复合材料
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-06-25 DOI: 10.3103/S1061386222020091
V. A. Shcherbakov, A. N. Gryadunov, I. E. Semenchuk, A. E. Sytschev, M. I. Alymov
{"title":"Synthesis of Ultra-High-Temperature Ta4HfC5–HfB2 Composites by Electro-thermal Explosion under Pressure","authors":"V. A. Shcherbakov,&nbsp;A. N. Gryadunov,&nbsp;I. E. Semenchuk,&nbsp;A. E. Sytschev,&nbsp;M. I. Alymov","doi":"10.3103/S1061386222020091","DOIUrl":"10.3103/S1061386222020091","url":null,"abstract":"<p>Ultra-high-temperature Ta<sub>4</sub>HfC<sub>5</sub>–HfB<sub>2</sub> composites were prepared by electrothermal explosion (ETE) under pressure in a one-stage process, with special emphasis on the influence of high-energy ball milling (HEBM) of starting Ta–Hf–C–B powder mixtures. Synthesized Ta<sub>4</sub>HfC<sub>5</sub>–HfB<sub>2</sub> composites had a grain size smaller than 0.2 μm and a porosity of 10–12%. A synthesized composite has high temperature resistance at heating in the flame of an oxygen-acetylene burner.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 2","pages":"57 - 61"},"PeriodicalIF":0.6,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4972345","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 5Ti + 3Si Blends: Impact of Granule Diameter and Ti Particle Size 5Ti + 3Si共混物燃烧:颗粒直径和Ti粒度的影响
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-06-25 DOI: 10.3103/S106138622202008X
B. S. Seplyarskii, R. A. Kochetkov, T. G. Lisina, N. I. Abzalov, D. S. Vasilyev
{"title":"Combustion of 5Ti + 3Si Blends: Impact of Granule Diameter and Ti Particle Size","authors":"B. S. Seplyarskii,&nbsp;R. A. Kochetkov,&nbsp;T. G. Lisina,&nbsp;N. I. Abzalov,&nbsp;D. S. Vasilyev","doi":"10.3103/S106138622202008X","DOIUrl":"10.3103/S106138622202008X","url":null,"abstract":"<p>This work explains the different ratio of the burning velocities of powder and granulated 5Ti + 3Si mixtures with Ti particles 35 and 120 μm in size due to the influence of impurity gases, which depends on the conditions for heating up the particles ahead of the combustion front. For the first time, the burning velocity inside the granule was obtained using the measured combustion velocities of mixtures of different granule sizes 0.6 ≤ <i>D</i> ≤ 1.7 mm. It turned out to be equal to the velocity of the combustion front in the granulated mixture for fine Ti particles and the velocity of the combustion front in the powder mixture for coarse Ti particles. The difference in the burning rates of the substance of granule and powder mixture serves as a quantitative measure of the influence of impurity gases. The results confirmed the applicability of the developed conditions for heating up the powder components to predict the retarding effect of impurity gases on the synthesis velocity in 5Ti + 3Si powders.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 2","pages":"104 - 107"},"PeriodicalIF":0.6,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4973717","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 Ti on the Structure and Phase Composition of CoCrTiWMoCAl Alloys Prepared by Centrifugal SHS Ti对离心SHS法制备CoCrTiWMoCAl合金组织和相组成的影响
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-06-25 DOI: 10.3103/S1061386222020029
D. E. Andreev, K. V. Zakharov, V. I. Yukhvid, V. N. Sanin, A. Ph. Ilyushchanka, A. I. Letsko, T. L. Talako
{"title":"Influence of Ti on the Structure and Phase Composition of CoCrTiWMoCAl Alloys Prepared by Centrifugal SHS","authors":"D. E. Andreev,&nbsp;K. V. Zakharov,&nbsp;V. I. Yukhvid,&nbsp;V. N. Sanin,&nbsp;A. Ph. Ilyushchanka,&nbsp;A. I. Letsko,&nbsp;T. L. Talako","doi":"10.3103/S1061386222020029","DOIUrl":"10.3103/S1061386222020029","url":null,"abstract":"<p>Regularities of combustion of Co<sub>3</sub>O<sub>4</sub>/Cr<sub>2</sub>O<sub>3</sub>/WO<sub>3</sub>/MoO<sub>3</sub>/C/Al mixtures with additive of Ti under the action of artificial gravity were studied. At the centrifugal acceleration of more than 40 <i>g</i>, combustion products were obtained as two-layer ingots of target CoTiCrWMoCAl alloy (lower) and Al<sub>2</sub>O<sub>3</sub> slag (upper). Variation in the amount of additive (up to 17 wt %) affected the composition and structure of cast CoTiCrWMoCAl alloy. SHS-produced alloys were characterized by XRD, SEM, and EDS. CoCrWMoCAl alloy containing 5% Ti was used for preparing powder by vacuum induction melting followed by inert gas sputtering. It was shown that the chemical compositions of powder and its precursor are the same.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 2","pages":"89 - 94"},"PeriodicalIF":0.6,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5352116","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 and Magnetic Properties of Ni–Al–Mn Based Alloy Ni-Al-Mn基合金的燃烧合成及磁性能研究
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-06-25 DOI: 10.3103/S106138622202011X
A. E. Sytschev, N. A. Kochetov, P. A. Lazarev, Yu. G. Morozov, S. G. Vadchenko, I. D. Kovalev, M. L. Busurina
{"title":"Combustion Synthesis and Magnetic Properties of Ni–Al–Mn Based Alloy","authors":"A. E. Sytschev,&nbsp;N. A. Kochetov,&nbsp;P. A. Lazarev,&nbsp;Yu. G. Morozov,&nbsp;S. G. Vadchenko,&nbsp;I. D. Kovalev,&nbsp;M. L. Busurina","doi":"10.3103/S106138622202011X","DOIUrl":"10.3103/S106138622202011X","url":null,"abstract":"<p>The influence of Mn addition on combustion synthesis, morphology, phase composition, and magnetic properties of the Ni–Al–Mn alloys was investigated. Ni–Al–<i>x</i>Mn alloys with various Mn concentration (<i>x</i> = 0–1.5) were prepared by combined use of mechanical activation and self-propagating high-temperature synthesis (SHS). It was found that the phase composition of synthesized alloys is changed by increasing Mn content, which in turn causes the change in magnetic properties. Ni–Al–0.5Mn alloy at room temperature showed the normal σ–<i>H</i> curve typical of conventional ferromagnetic materials. The maximum values of coercive force (179.7 Oe) and specific magnetization (0.8 emu/g) were observed for alloy containing 24 wt % Mn.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 2","pages":"95 - 103"},"PeriodicalIF":0.6,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4973378","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 and Phase Formation in the Ti–Al–Mn Alloy Ti-Al-Mn合金的燃烧合成与相形成
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-06-25 DOI: 10.3103/S1061386222020108
A. E. Sytschev, M. L. Busurina, P. A. Lazarev
{"title":"Combustion Synthesis and Phase Formation in the Ti–Al–Mn Alloy","authors":"A. E. Sytschev,&nbsp;M. L. Busurina,&nbsp;P. A. Lazarev","doi":"10.3103/S1061386222020108","DOIUrl":"10.3103/S1061386222020108","url":null,"abstract":"<p>Ti–24Al–33Mn alloy containing cubic TiMn<sub>0.32</sub>Al<sub>2.68</sub>, hexagonal TiMn<sub>0.755</sub>Al<sub>1.246</sub>, and Mn<sub>3</sub>Al<sub>2</sub> was prepared by combustion synthesis (SHS method). The synthesized samples were shown to have sufficiently high porosity with individual pore sizes up to 300–400 µm.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 2","pages":"80 - 84"},"PeriodicalIF":0.6,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4976686","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: 1
Structural Transformations in Medium- and High-Entropy Alloy Systems in Course of High-Energy Ball Milling 高能球磨过程中中高熵合金体系的组织转变
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-06-25 DOI: 10.3103/S1061386222020078
A. Rogachev, D. Kovalev, A. Fourmont, S. Vadchenko, N. Kochetov, N. Shkodich, F. Baras, O. Politano, D. Moskovskikh
{"title":"Structural Transformations in Medium- and High-Entropy Alloy Systems in Course of High-Energy Ball Milling","authors":"A. Rogachev,&nbsp;D. Kovalev,&nbsp;A. Fourmont,&nbsp;S. Vadchenko,&nbsp;N. Kochetov,&nbsp;N. Shkodich,&nbsp;F. Baras,&nbsp;O. Politano,&nbsp;D. Moskovskikh","doi":"10.3103/S1061386222020078","DOIUrl":"10.3103/S1061386222020078","url":null,"abstract":"<p>Dynamics of medium- and high-entropy phase formation during the process of mechanical alloying by means of high-energy ball milling (HEBM) were studied for the equimolar CoCrFeNi, AlCoCrFeNi, and CoCrFeMnNi alloys. Using step-by-step X-ray diffraction analysis, it was found that a specific structural transformation occurs after some critical time of HEBM. It was suggested that this transformation converts nanocrystalline intermediate solid solutions formed due to severe plastic deformation during HEBM into single-phase multicomponent alloys in relatively short period of time.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 2","pages":"62 - 68"},"PeriodicalIF":0.6,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4976688","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: 1
Structural and Magnetic Properties of MgCu2 Laves Phase Alloys Synthesized by Electrothermal Explosion 电热爆炸法制备MgCu2 laaves相合金的结构和磁性能
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-06-25 DOI: 10.3103/S1061386222020030
A. Hafs, T. Hafs
{"title":"Structural and Magnetic Properties of MgCu2 Laves Phase Alloys Synthesized by Electrothermal Explosion","authors":"A. Hafs,&nbsp;T. Hafs","doi":"10.3103/S1061386222020030","DOIUrl":"10.3103/S1061386222020030","url":null,"abstract":"<p>Current (400 A)-initiated electrothermal explosion (ETE) synthesis of MgCu<sub>2</sub> Laves phase intermetallic from Mg–2Cu powder blend was reported. Phase composition of ETE products was characterized by XRD, SEM, and EDX. <i>M</i>–<i>H</i> curvatures in parallel and perpendicular configuration were measured under magnetic fields between—18 kOe and 18 kOe.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 2","pages":"69 - 73"},"PeriodicalIF":0.6,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4973554","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
Adsorptivity of Some Organic Compounds to Copper Nanoparticles 某些有机化合物对铜纳米颗粒的吸附性能
IF 0.6
International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2022-03-17 DOI: 10.3103/S1061386222010095
R. V. Shafigulin, A. V. Bulanova, M. V. Kuznetsov, I. P. Parkin, Yu. G. Morozov
{"title":"Adsorptivity of Some Organic Compounds to Copper Nanoparticles","authors":"R. V. Shafigulin,&nbsp;A. V. Bulanova,&nbsp;M. V. Kuznetsov,&nbsp;I. P. Parkin,&nbsp;Yu. G. Morozov","doi":"10.3103/S1061386222010095","DOIUrl":"10.3103/S1061386222010095","url":null,"abstract":"<p>Adsorptivity of some organic compounds to the copper nanoparticles prepared using the levitation-jet generator was characterized by inverse gas chromatography. The measured values of a specific volume of retained sorbate were used to calculate adsorption heats and entropy factors of the process.</p>","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"31 1","pages":"47 - 50"},"PeriodicalIF":0.6,"publicationDate":"2022-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4690144","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
首页 上一页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信