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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
Microstructure and mechanical properties of Y-modified low-activation austenitic steel after aging
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03343-6
I. Litovchenko, S. A. Akkuzin, N. A. Polekhina, K. V. Spiridonova, V. V. Osipova, A. V. Kim, V. M. Chernov
{"title":"Microstructure and mechanical properties of Y-modified low-activation austenitic steel after aging","authors":"I. Litovchenko,&nbsp;S. A. Akkuzin,&nbsp;N. A. Polekhina,&nbsp;K. V. Spiridonova,&nbsp;V. V. Osipova,&nbsp;A. V. Kim,&nbsp;V. M. Chernov","doi":"10.1007/s11182-024-03343-6","DOIUrl":"10.1007/s11182-024-03343-6","url":null,"abstract":"<div><p>The features of microstructure and mechanical properties of yttrium-modified low-activation austenitic steel after high-temperature aging at 700 °C during 100 h are investigated. Using transmission and scanning electron microscopy, it is shown that aging results in the precipitation of dispersed particles of M<sub>23</sub>C<sub>6</sub> carbides (M–Cr, Mn, Fe). These particles are found along the grain boundaries and inside the grains in the form of shells on dispersed particles of MC carbides (M–Ti, Ta, V), as well as at the boundaries of micro- and nanotwins. The strength properties of the steel are studied in tensile tests at 20, 650 and 700 °C. It is shown that an intense precipitation of carbides has a significant effect on the mechanical properties of this steel. After aging of the quenched state, the yield strength increases at all test temperatures used in this study, while the elongation to failure decreases by a factor of 1.6. This is due to the precipitation of carbide particles. After aging of the cold-rolled state, the yield strength decreases by 1.3–2 times, while the values of elongation to failure do not practically change. This is due to the intensive recovery of the dislocation substructure and the prevailing precipitation of carbides along the boundaries of micro- and nanotwins under aging of the cold-deformed state.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2041 - 2048"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571017","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 cr-b powder mixture on wear resistance of 0.12 C-18Cr-9Ni-Ti steel layers after electron-beam surfacing
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03276-0
V. E. Andryushkina, E. A. Pukhova, E. G. Bushueva, A. G. Tyurin, Yu. N. Malyutina
{"title":"Influence of cr-b powder mixture on wear resistance of 0.12 C-18Cr-9Ni-Ti steel layers after electron-beam surfacing","authors":"V. E. Andryushkina,&nbsp;E. A. Pukhova,&nbsp;E. G. Bushueva,&nbsp;A. G. Tyurin,&nbsp;Yu. N. Malyutina","doi":"10.1007/s11182-024-03276-0","DOIUrl":"10.1007/s11182-024-03276-0","url":null,"abstract":"<div><p>The paper studies the influence of the chromium and boron powder mixture on the structure and wear resistance of the 0.12 C-18Cr-9Ni-Ti steel after electron-beam surfacing. Electron-beam surfacing of powder mixtures provides hardening of 4‑mm thick coatings deposited onto the steel surface. Electron-beam surfaced coatings contain chromium boride. Powder mixtures are selected to gain the wear resistance 2 and 4 times higher than that of the hardened steel in friction against rigidly and non-rigidly fixed abrasive particles, respectively.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 10","pages":"1517 - 1523"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108418","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
Tribological behavior under adhesion and dry friction conditions of copper-steel composites manufactured by wire-feed electron beam 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/s11182-024-03340-9
K. S. Osipovich, A. V. Chumaevskii, E. O. Knyazhev, E. A. Kolubaev
{"title":"Tribological behavior under adhesion and dry friction conditions of copper-steel composites manufactured by wire-feed electron beam additive technology","authors":"K. S. Osipovich,&nbsp;A. V. Chumaevskii,&nbsp;E. O. Knyazhev,&nbsp;E. A. Kolubaev","doi":"10.1007/s11182-024-03340-9","DOIUrl":"10.1007/s11182-024-03340-9","url":null,"abstract":"<div><p>The wear resistance of copper-steel composites is studied and found to be quite satisfactory. A significant orientation dependence of their tribological properties is observed. The contact characteristics of the specimens with a high steel content are slightly better than those with a high copper content in the composite. This effect is due to a smaller role of frictional setting and plastic pushing of the specimen material out of the frictional contact zone.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2018 - 2025"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570961","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
Specific wear mechanisms of tungsten carbide based tool during friction stir welding of titanium grade 2 alloy
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03341-8
A. I. Amirov, A. V. Chumaevskii, N. V. Semenchuk, V. R. Utyaganova, A. A. Eliseev, N. L. Savchenko
{"title":"Specific wear mechanisms of tungsten carbide based tool during friction stir welding of titanium grade 2 alloy","authors":"A. I. Amirov,&nbsp;A. V. Chumaevskii,&nbsp;N. V. Semenchuk,&nbsp;V. R. Utyaganova,&nbsp;A. A. Eliseev,&nbsp;N. L. Savchenko","doi":"10.1007/s11182-024-03341-8","DOIUrl":"10.1007/s11182-024-03341-8","url":null,"abstract":"<div><p>The results of mechanical interactions between tungsten carbide tools and technically pure titanium blanks during friction stir welding are considered. An adhesive layer formed as a result of this contact is described. The tool geometry resulting from the tool wear is shown and compared with the initial tool geometry.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2026 - 2033"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571015","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
Galilean relativism with coupled parameters in hyperbolic functions
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-09 DOI: 10.1007/s11182-024-03331-w
N. S. Akintsov, V. Y. Kozhevnikov, G. F. Kopytov, A. P. Nevecheria, Yongjie Yang
{"title":"Galilean relativism with coupled parameters in hyperbolic functions","authors":"N. S. Akintsov,&nbsp;V. Y. Kozhevnikov,&nbsp;G. F. Kopytov,&nbsp;A. P. Nevecheria,&nbsp;Yongjie Yang","doi":"10.1007/s11182-024-03331-w","DOIUrl":"10.1007/s11182-024-03331-w","url":null,"abstract":"<div><p>In the current paper, Galilean relativism with coupled parameters is discussed, which, in the special case of non-relativistic conditions, transitions into the well-known Galilean relativity. The extension of the principles of Galilean relativity is considered, which includes the application of proper time and proper coordinates, connected through a hyperbolic function of rapidity. Relativistic Galilean coordinates have been obtained. The results show that the proper relativistic Galilean coordinates are invariant under Lorentz transformations with respect to the proper Galilean interval. An extension of the Jacobi theorem, formulated by Einstein for dynamic functions with coupled parameters, is presented in the form of the Jacobi–Milekhin theorem. Invariants with respect to the proper coordinates have been derived from the Jacobi equation. The motion of a relativistic particle is demonstrated through the Galilean and Lorentz coordinates in a one-dimensional laser pulse with linear polarization.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1940 - 1950"},"PeriodicalIF":0.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570952","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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