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Calculation of radiation hardness of chromium-compensated gallium arsenade sensors irradiated with 1–20 MeV beta particles
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03358-z
A. V. Tyazhev, A. E. Vinnik, A. N. Zarubin, I. D. Chsherbakov, M. S. Skakunov, O. P. Tolbanov, L. K. Shaimerdenova, A. V. Shemeryankina, P. V. Kosmachev, S. V. Panin
{"title":"Calculation of radiation hardness of chromium-compensated gallium arsenade sensors irradiated with 1–20 MeV beta particles","authors":"A. V. Tyazhev,&nbsp;A. E. Vinnik,&nbsp;A. N. Zarubin,&nbsp;I. D. Chsherbakov,&nbsp;M. S. Skakunov,&nbsp;O. P. Tolbanov,&nbsp;L. K. Shaimerdenova,&nbsp;A. V. Shemeryankina,&nbsp;P. V. Kosmachev,&nbsp;S. V. Panin","doi":"10.1007/s11182-024-03358-z","DOIUrl":"10.1007/s11182-024-03358-z","url":null,"abstract":"<div><p>The paper presents the calculation results of the charge carrier lifetime and charge collection efficiency of sensors based on chromium-compensated gallium arsenide irradiated with beta particles at the energy of 1 to 20 MeV. It is found that the charge collection efficiency decreases down to 1% of the initial value after the sensor irradiation up to doses of about 1 MGy. The thickness reduction to 100–150 μm improves the sensor radiation resistance up to 2 MGy. It is shown that calculation results are in agreement with the experimental data.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2144 - 2151"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unlubricated sliding of additively manufactured heterophase CuAl-B4C composite at elevated temperatures
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03357-0
A. V. Filippov, A. V. Vorontsov, N. N. Shamarin, N. V. Semenchuk
{"title":"Unlubricated sliding of additively manufactured heterophase CuAl-B4C composite at elevated temperatures","authors":"A. V. Filippov,&nbsp;A. V. Vorontsov,&nbsp;N. N. Shamarin,&nbsp;N. V. Semenchuk","doi":"10.1007/s11182-024-03357-0","DOIUrl":"10.1007/s11182-024-03357-0","url":null,"abstract":"<div><p>The article presents the results of experimental studies of the state of the surface and near-surface layers of a heterophase material after sliding friction at different temperatures. Based on the data of X‑ray phase analysis and scanning electron microscopy, the state of the studied layers has been established. The reasons for the decrease in the friction coefficient and wear intensity of the heterophase material are studied.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2136 - 2143"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structure organisation of bimetallic elements of functional products printed from aluminium-manganese bronze and steel by Wire-Arc additive technology
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03334-7
V. M. Semenchuk, A. V. Chumaevskii, K. V. Rubtsov, V. E. Rubtsov, N. L. Savchenko, E. A. Kolubaev
{"title":"Structure organisation of bimetallic elements of functional products printed from aluminium-manganese bronze and steel by Wire-Arc additive technology","authors":"V. M. Semenchuk,&nbsp;A. V. Chumaevskii,&nbsp;K. V. Rubtsov,&nbsp;V. E. Rubtsov,&nbsp;N. L. Savchenko,&nbsp;E. A. Kolubaev","doi":"10.1007/s11182-024-03334-7","DOIUrl":"10.1007/s11182-024-03334-7","url":null,"abstract":"<div><p>Regularities of structure formation of bimetallic elements of aluminum-manganese bronze CuAl9Mn2 and low-alloy structural steel A516 using different sequences of component deposition during printing by wire-arc additive manufacturing are investigated. It is found out that the sequence of material deposition affects the product structure and mechanical properties. Due to the differing melting points of bronze and steel, the samples show either a sharp fusion boundary between the components or their highly diluted mixture. According to the mechanical tests, the ultimate strength of the steel/bronze specimens reaches 450 MPa, while that of the bronze/steel specimens has lower values (220–350 MPa) due to the presence of defects.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1969 - 1975"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geant4 pre-compound model upgrade
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03333-8
N. A. Chalyi, V. N. Ivanchenko
{"title":"Geant4 pre-compound model upgrade","authors":"N. A. Chalyi,&nbsp;V. N. Ivanchenko","doi":"10.1007/s11182-024-03333-8","DOIUrl":"10.1007/s11182-024-03333-8","url":null,"abstract":"<div><p>The paper deals with the toolkit improvement of the Geant4 pre-compound model. This model is used in several high-energy models for sampling the final state in hadron–nucleus and ion–nucleus collisions. Modifications of the proposed model are included in the toolkit development. The next Geant4 11.3 version will be available to users in December 2024.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1962 - 1968"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morphology and microhardness of Cu-Al powder mixture depending on duration of high-energy ball milling
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03347-2
D. A. Osipov, A. D. Ishkov, I. V. Smirnov, K. V. Grinyaev, I. A. Ditenberg
{"title":"Morphology and microhardness of Cu-Al powder mixture depending on duration of high-energy ball milling","authors":"D. A. Osipov,&nbsp;A. D. Ishkov,&nbsp;I. V. Smirnov,&nbsp;K. V. Grinyaev,&nbsp;I. A. Ditenberg","doi":"10.1007/s11182-024-03347-2","DOIUrl":"10.1007/s11182-024-03347-2","url":null,"abstract":"<div><p>The effect of high-energy ball milling duration on the morphology and microhardness of Cu-Al powder mixture, characterized by high relaxation capacity of the components, is studied. It is shown that as early as in the primary processing stage the initial powder particles are combined into plate-shaped conglomerates. A longer ball milling duration promotes the consolidation and compaction of the conglomerates. It is found out that these processes are accompanied by the formation of a solid solution of aluminum in copper with a subsequent formation of ordered phases. A transformation of the structural-phase state of the powder mixture causes a significant increase in its microhardness.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2073 - 2076"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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 tungsten carbide tool wear on resulting joint during friction stir welding of titanium alloys
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03336-5
A. I. Amirov, A. V. Chumaevskii, N. V. Semenchuk, E. A. Sidorov, A. A. Eliseev, N. L. Savchenko
{"title":"Influence of tungsten carbide tool wear on resulting joint during friction stir welding of titanium alloys","authors":"A. I. Amirov,&nbsp;A. V. Chumaevskii,&nbsp;N. V. Semenchuk,&nbsp;E. A. Sidorov,&nbsp;A. A. Eliseev,&nbsp;N. L. Savchenko","doi":"10.1007/s11182-024-03336-5","DOIUrl":"10.1007/s11182-024-03336-5","url":null,"abstract":"<div><p>The effect of tungsten carbide tool wear during friction stir welding of titanium alloys on the resulting weld joints is analyzed. It is shown that the tool geometry changes as a result of the tool wear during welding. A degradation of the joint macrostructure is demonstrated, and a correlation between the joint strength and the tool pass length, expressed as a measure of tool wear, is illustrated.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1984 - 1991"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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 heat treatment on the structure and properties of boronized layers formed on chromium-nickel austenitic steel by nonvacuum electron beam processing
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03353-4
D. O. Mul, Yu. N. Malyutina, A. V. Ukhina, A. I. Popelyukh, E. G. Bushueva, G. I. Krivosheyev
{"title":"Influence of heat treatment on the structure and properties of boronized layers formed on chromium-nickel austenitic steel by nonvacuum electron beam processing","authors":"D. O. Mul,&nbsp;Yu. N. Malyutina,&nbsp;A. V. Ukhina,&nbsp;A. I. Popelyukh,&nbsp;E. G. Bushueva,&nbsp;G. I. Krivosheyev","doi":"10.1007/s11182-024-03353-4","DOIUrl":"10.1007/s11182-024-03353-4","url":null,"abstract":"<div><p>In the present study, the structure and properties of borated austenitic steel after heat treatment are analyzed. The main structural components of the as-modified layers were Fe<sub>2</sub>B and austenite and iron boride based eutectic. The coatings had a high microhardness of 15 GPa, and their wear resistance was three times that of the base material. It has been demonstrated that the process of quenching and subsequent aging slightly enhanced the wear resistance of the modified layer due to the formation of FeNiB in the eutectic.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2106 - 2114"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of Lorentz transformations for the spectral and angular distribution of electron radiation in a laser pulse
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03332-9
N. S. Akintsov, G. F. Kopytov, A. P. Nevecheria
{"title":"Application of Lorentz transformations for the spectral and angular distribution of electron radiation in a laser pulse","authors":"N. S. Akintsov,&nbsp;G. F. Kopytov,&nbsp;A. P. Nevecheria","doi":"10.1007/s11182-024-03332-9","DOIUrl":"10.1007/s11182-024-03332-9","url":null,"abstract":"<div><p>An analytical model for the generation of synchrotron and polarization radiation of a charged particle in the field of a one-dimensional circularly polarized laser pulse has been developed based on Lorentz invariant forms in 3 + 1 dimensions using limit transitions for the frequency of electron oscillations. The feature of the angular distribution for the total power of synchrotron and polarization radiation that depends on the frequency of the electron oscillation is considered. Simulations show that at the femtosecond time scale, accelerated electrons in a high-intensity laser pulse can leave the field of the pulse along a given trajectory at the peak amplitude of the field and then return to the field of the laser pulse. This effect is called “jumping gallop.”</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1951 - 1961"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gauge symmetries and Hamiltonian constraints of a 2 + 1 topological string
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03330-x
I. Yu. Karataeva, S. L. Lyakhovich, I. A. Retuntsev
{"title":"Gauge symmetries and Hamiltonian constraints of a 2 + 1 topological string","authors":"I. Yu. Karataeva,&nbsp;S. L. Lyakhovich,&nbsp;I. A. Retuntsev","doi":"10.1007/s11182-024-03330-x","DOIUrl":"10.1007/s11182-024-03330-x","url":null,"abstract":"<div><p>We study the algebra of constraints of the recently proposed classical topological string model in three dimensions. In addition to the diffeomorphism, this model has one more gauge symmetry which comes from the existence of a differential relation between invariants of a surface. As a result, such a string has no local degrees of freedom. The global degrees of freedom of this string describe one single classical massive 3d spinning particle.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1931 - 1939"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structure and properties of pure copper surface layers after reverse-polarity plasma cutting
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03339-2
A. V. Grinenko, A. V. Chumaevskii, A. M. Cheremnov, D. A. Gurianov, E. A. Sidorov, E. A. Kolubaev
{"title":"Structure and properties of pure copper surface layers after reverse-polarity plasma cutting","authors":"A. V. Grinenko,&nbsp;A. V. Chumaevskii,&nbsp;A. M. Cheremnov,&nbsp;D. A. Gurianov,&nbsp;E. A. Sidorov,&nbsp;E. A. Kolubaev","doi":"10.1007/s11182-024-03339-2","DOIUrl":"10.1007/s11182-024-03339-2","url":null,"abstract":"<div><p>The paper shows the influence of plasma cutting modes on the surface structure and properties of pure copper sheets having different thickness. It is found that plasma cutting is complicated by dynamic processes of melting, flow and crystallization of metal displaced from the cutting cavity by the plasma jet. Intensive heat dissipation and inhomogeneous metal flow lead to the debris formation at the cut bottom, which grows with increasing thickness of copper sheets. After plasma cutting, the macrostructure in the work area of sheets comprises melting zone, heat-affected zone, and unaffected base metal. Intense localized metal boiling on the cut surface leads to the formation of a highly porous structure. The cut morphology, including the melting zone and heat accumulation, depends on the cutting modes.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2011 - 2017"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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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