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In memory of Vladislav Gavriilovich Bagrov
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03316-9
Aleksandr Potekaev
{"title":"In memory of Vladislav Gavriilovich Bagrov","authors":"Aleksandr Potekaev","doi":"10.1007/s11182-024-03316-9","DOIUrl":"10.1007/s11182-024-03316-9","url":null,"abstract":"","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1803 - 1805"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571034","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
Hardening of stainless steel surface layers by non-vacuum electron beam cladding
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03280-4
D. S. Ovdina, O. N. Novgorodtseva, V. E. Andryushkina
{"title":"Hardening of stainless steel surface layers by non-vacuum electron beam cladding","authors":"D. S. Ovdina,&nbsp;O. N. Novgorodtseva,&nbsp;V. E. Andryushkina","doi":"10.1007/s11182-024-03280-4","DOIUrl":"10.1007/s11182-024-03280-4","url":null,"abstract":"<div><p>The results of an investigation of the structure and properties of the material surface layers formed by cladding of TiN, B<sub>4</sub>C and Ti powder mixtures onto stainless steel by heating with a beam of relativistic electrons released into the ambient air are presented. The cladded layers with a thickness of 2–3 mm are characterized by a heterogeneous structure consisting of iron and chromium borides, titanium nitride and carbide uniformly distributed in the eutectic matrix. The wear resistance tests under conditions of friction against fixed abrasive particles show a threefold increase in the resistance of surface layers in comparison with that of the base material.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 10","pages":"1548 - 1554"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108361","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
Effect of UV laser treatment on wetting properties of TiNi alloy
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03284-0
M. Yu. Panchenko, T. Yu. Sablina, I. A. Zyatikov, A. V. Puchikin, Yu. N. Panchenko
{"title":"Effect of UV laser treatment on wetting properties of TiNi alloy","authors":"M. Yu. Panchenko,&nbsp;T. Yu. Sablina,&nbsp;I. A. Zyatikov,&nbsp;A. V. Puchikin,&nbsp;Yu. N. Panchenko","doi":"10.1007/s11182-024-03284-0","DOIUrl":"10.1007/s11182-024-03284-0","url":null,"abstract":"<div><p>The surface laser treatment of TiNi alloy by a Nd:YAG laser operating at a wavelength of 266 nm with different parameters (laser fluence 0.05–0.1 J/cm<sup>2</sup>, number of laser pulses 600-6000) is presented. Different analyses, including the study of surface morphology, free energy, roughness changes, phase composition, and surface chemistry are evaluated in relation to the wettability control of TiNi alloy. The results reveal a remarkable enhancement in hydrophilicity, evidenced by a sharp decrease in the water contact angle from 75.0 ± 5.1° to 11.4 ± 5.1°. This wettability improvement is positively correlated with the increased laser fluence and the number of laser pulses. The main contribution to the wettability alterations after laser treatment belongs to the surface saturation with oxygen and a subsequent formation of an oxide layer. This oxide layer significantly increases the polar component of the surface energy, thereby enhancing the hydrophilic properties of the TiNi alloy.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 10","pages":"1575 - 1582"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108716","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 corrosion damage on fatigue life of VNS-5 steel after ion-beam treatment
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03285-z
T. I. Dorofeeva, M. V. Fedorischeva, M. P. Kalashnikov, T. A. Gubaidulina, V. A. Krasnoveykin, V. P. Sergeev
{"title":"Influence of corrosion damage on fatigue life of VNS-5 steel after ion-beam treatment","authors":"T. I. Dorofeeva,&nbsp;M. V. Fedorischeva,&nbsp;M. P. Kalashnikov,&nbsp;T. A. Gubaidulina,&nbsp;V. A. Krasnoveykin,&nbsp;V. P. Sergeev","doi":"10.1007/s11182-024-03285-z","DOIUrl":"10.1007/s11182-024-03285-z","url":null,"abstract":"<div><p>The paper focuses on carbon ion implantation of samples made of constructional aircraft-graded steel VNS‑5. The obtained modified layer is about 200 nm thick, while the carbon content is not over 10%. Unlike untreated samples, the corrosion resistance of ion-implanted samples increases by 3 times. Fatigue tests show that the corrosion damage improves the material resistance to fracture at the load ranging from 700 to 1100 MPa.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 10","pages":"1583 - 1589"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108717","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
Decoupling theorem and effective quantum gravity
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03321-y
I. L. Shapiro
{"title":"Decoupling theorem and effective quantum gravity","authors":"I. L. Shapiro","doi":"10.1007/s11182-024-03321-y","DOIUrl":"10.1007/s11182-024-03321-y","url":null,"abstract":"<div><p>This is a contribution to the memorial edition devoted to Professor Vladislav Gavrilovich Bagrov, who was my official adviser from the beginning of the undergraduate period to the end of PhD. The article mentions my two publications in <i>Izvestia VUZov Fizika (Russian Physics Journal)</i>, where Vladislav Gavrilovich held the position of editor-in-chief. This paper is based on the recent lectures about decoupling in quantum gravity, given in ICTP-SAIFR in São Paulo and at the Estate Quantistica school in Scalea, Italy. After a brief and mainly qualitative review of the decoupling theorem in semiclassical gravity and the scalar fourth-derivative model of Antoniadis and Mottola, we explain what is the expected result for the physical beta functions in fourth-derivative quantum gravity and what should remain from these beta functions in the infrared range.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1849 - 1856"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571033","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
Low-stability structural-phase states of aqueous solutions at ultrahigh dilution
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03307-w
A. I. Potekaev, V. V. Obukhov
{"title":"Low-stability structural-phase states of aqueous solutions at ultrahigh dilution","authors":"A. I. Potekaev,&nbsp;V. V. Obukhov","doi":"10.1007/s11182-024-03307-w","DOIUrl":"10.1007/s11182-024-03307-w","url":null,"abstract":"<div><p>A physical concept of thermodynamic physical system states has been proposed with application to aqueous solutions at ultrahigh dilution that are low stable to external impacts. Based on the thermodynamic analogy of the solution states and the condensed physical system state, the feasibility of realization of low-stability states is demonstrated. An analysis of representations about thermodynamic and structural-phase states of water and estimations of the structure of aqueous solutions at ultrahigh dilution allow us to assume reasonably the feasibility of realization of low-stability structurally-phase states of aqueous solutions at ultrahigh dilution when the system goes into a new structural state under an external impact (mechanical shaking). Moreover, the external impact can be sufficiently small, but the structural system state can change quite significantly. It is discussed how the state of a suitable symmetric liquid solution of a substance, for which the effect of small impact of the external force in different forms (for example, shaking) is important, can be obtained experimentally. This approach allows the role of Epstein’s effect in shaking of chemical solutions to be estimated by mechanochemical methods.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 10","pages":"1743 - 1749"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108366","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
Phase transformation during in situ heating of low-activation austenitic steel
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03291-1
I. Yu. Litovchenko, S. A. Akkuzin, N. A. Polekhina, K. V. Spiridonova, M. A. Khimich, A. V. Kim, V. V. Osipova, V. M. Chernov
{"title":"Phase transformation during in situ heating of low-activation austenitic steel","authors":"I. Yu. Litovchenko,&nbsp;S. A. Akkuzin,&nbsp;N. A. Polekhina,&nbsp;K. V. Spiridonova,&nbsp;M. A. Khimich,&nbsp;A. V. Kim,&nbsp;V. V. Osipova,&nbsp;V. M. Chernov","doi":"10.1007/s11182-024-03291-1","DOIUrl":"10.1007/s11182-024-03291-1","url":null,"abstract":"<div><p>The peculiarities of phase transformations in dispersion-strengthened low-activation chromium-manganese austenitic steel under high-temperature heating and cooling are studied using <i>in situ</i> X‑ray diffraction (XRD) and transmission electron microscopy (TEM). The presence of ε‑martensite plates in this steel after ageing (700 °C, 100 h) is shown. This phase is formed under local internal stresses arising from intensive growth of dispersed particles of M<sub>23</sub>C<sub>6</sub> carbides (M – Cr, Mn, Fe) during the steel cooling from the aging to room temperature. The comparatively low stacking fault energy (25 mJ/m<sup>2</sup>) of steel and the low stresses of ε‑martensite formation favor the γ→ε transformation. The <i>in situ</i> studies show that under subsequent high-temperature heating up to 500–590 °C, the ε‑phase completely transforms into austenite. During cooling from 590 °C to room temperature, this phase appears again. The formation of ε‑martensite does not affect the structural-phase stability of austenite near the temperature range of anticipated operating conditions.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 10","pages":"1627 - 1633"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108713","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-invariant models of interacting fields with spins 3, 1 and 0
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03325-8
P. M. Lavrov, I. V. Tyutin, I. A. Batalin
{"title":"Gauge-invariant models of interacting fields with spins 3, 1 and 0","authors":"P. M. Lavrov,&nbsp;I. V. Tyutin,&nbsp;I. A. Batalin","doi":"10.1007/s11182-024-03325-8","DOIUrl":"10.1007/s11182-024-03325-8","url":null,"abstract":"<div><p>New local gauge-invariant models of interacting fields with spins 3, 1 and 0 are found. They are constructed completely relying on our new earlier proposed approach to solving the deformation problem. The approach allows describing the deformation procedure for the theories with gauge freedom in the explicit and closed forms in terms of special anticanonical transformations of the Batalin-Vilkovisky formalism. The action of the models appears as a local part of the deformed action, which is represented by a fourth-order functional in the fields. This functional is invariant under the original gauge transformations.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1887 - 1895"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571036","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
Dynamic strength of low-alloy steel samples saturated with hydrogen under different conditions
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03288-w
A. V. Nechaeva, V. V. Shalagaev, A. S. Zavorin, V. A. Polyanskiy, Yu. S. Sedova, Yu. A. Yakovlev
{"title":"Dynamic strength of low-alloy steel samples saturated with hydrogen under different conditions","authors":"A. V. Nechaeva,&nbsp;V. V. Shalagaev,&nbsp;A. S. Zavorin,&nbsp;V. A. Polyanskiy,&nbsp;Yu. S. Sedova,&nbsp;Yu. A. Yakovlev","doi":"10.1007/s11182-024-03288-w","DOIUrl":"10.1007/s11182-024-03288-w","url":null,"abstract":"<div><p>The effect of artificial hydrogen saturation and saturation during operation in a hydrogen-containing environment on the dynamic strength of steels at various temperatures, relatively low hydrogen concentration, and various times of sample exposure to air after saturation are studied. Fundamentally different impact strength values associated with different mechanisms of operational and laboratory hydrogen interaction with metal have been obtained.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 10","pages":"1603 - 1609"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108715","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
Starobinsky inflation and swampland conjectures
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-01-07 DOI: 10.1007/s11182-024-03318-7
S. V. Ketov
{"title":"Starobinsky inflation and swampland conjectures","authors":"S. V. Ketov","doi":"10.1007/s11182-024-03318-7","DOIUrl":"10.1007/s11182-024-03318-7","url":null,"abstract":"<div><p>This paper is devoted to the memory of late Professor V. G. Bagrov, who was my first teacher in theoretical physics. About 45 years later, theoretical physics has changed and me too. The subject of this paper relates to some old ideas in cosmology with some recent ideas, as is reflected in the title. The current status of Starobinsky inflation is reviewed and compared to three main conjectures in the Swampland program. It is argued that the Starobinsky inflation model is not in conflict with those Swampland conjectures in their basic versions.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1819 - 1826"},"PeriodicalIF":0.4,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571035","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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