K. P. Zolnikov, D. S. Kryzhevich, A. V. Korchuganov, O. A. Berezikov
{"title":"Deformation behavior of Fe-10Ni-20Cr alloy at different irradiation doses","authors":"K. P. Zolnikov, D. S. Kryzhevich, A. V. Korchuganov, O. A. Berezikov","doi":"10.1007/s11182-025-03364-9","DOIUrl":"10.1007/s11182-025-03364-9","url":null,"abstract":"<div><p>The paper presents molecular dynamics simulation of the radiation dose effect on mechanical properties of the Fe-10Ni-20Cr alloy samples having different grain size. It is shown that plastic strain of irradiated samples always nucleates in clusters of point defects locating near grain-boundary triple point intersections and caused by the stacking fault generation. It is found that the elastic limit in the fine grain sample, is higher and reduces more slowly with increasing irradiation dose than in the coarse grain sample.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 12","pages":"2191 - 2197"},"PeriodicalIF":0.4,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612111","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}
D. Yerbolatuly, F. M. Noskov, A. E. Makarenko, E. V. Korotkova, G. U. Yerbolatova, G. S. Bektasova, T. D. Perevalov, L. N. Izmaylov, V. N. Cherepanov, A. V. Nyavro, A. K. Kuznetsova, L. I. Kveglis
{"title":"Comparison of the structure of grain boundaries and properties of superplastic 40HNU, 47HNM, and 67KN5B alloys","authors":"D. Yerbolatuly, F. M. Noskov, A. E. Makarenko, E. V. Korotkova, G. U. Yerbolatova, G. S. Bektasova, T. D. Perevalov, L. N. Izmaylov, V. N. Cherepanov, A. V. Nyavro, A. K. Kuznetsova, L. I. Kveglis","doi":"10.1007/s11182-024-03349-0","DOIUrl":"10.1007/s11182-024-03349-0","url":null,"abstract":"<div><p>A comparison of the structure and properties of 47HNM, 40HNU and 67KN5B alloys possessing superplasticity is performed. It is shown that during superplastic deformation in the grain-boundary layers of these alloys the systems of tetrahedral close-packed clusters with Frank-Kasper structures are formed. The use of cluster models allows attributing the manifestation of ferromagnetic properties in superplastic materials to a change in the electron density. A qualitative agreement with the experiment is confirmed by the calculation of the spectra of spin-polarized electrons performed for the cluster structures.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2083 - 2087"},"PeriodicalIF":0.4,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571012","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}
L. I. Trishkina, V. A. Vlasov, A. I. Potekaev, A. A. Klopotov, T. V. Cherkasova, V. V. Kulagina
{"title":"Temperature effect on dislocation structure of Cu-Al and Cu-Mn alloys in low-stability state","authors":"L. I. Trishkina, V. A. Vlasov, A. I. Potekaev, A. A. Klopotov, T. V. Cherkasova, V. V. Kulagina","doi":"10.1007/s11182-024-03351-6","DOIUrl":"10.1007/s11182-024-03351-6","url":null,"abstract":"<div><p>The paper focuses on the evolution of the dislocation structure in Cu-Аl and Cu-Мn polycrystalline alloys in the low-stability state. Experiments conducted at different temperatures, show that the main structure of alloys having different content of Al and Mn alloying elements, changes insignificantly with increasing temperature in contrast to the density of dislocation barriers, dislocation clusters, dissociated dislocations, and stacking faults. Dislocation parameters of Cu-Mn alloys decrease with increasing temperature, while Cu-Al alloys manifest another behavior.</p><p>The temperature effect on the dislocation structure parameters is different in Cu-Аl and Cu-Мn alloys. With increasing strain temperature, the average dislocation density in Cu-Mn alloys decreases, and grows in Cu-Al alloys. Misorientations in the structure, density of extinction contours and subboudaries reduce in Cu-Mn alloys and grow in Cu-Al alloys. It is found that the behavior of the dislocation structure parameters depends on temperature and is different in Cu-Аl and Cu-Мn alloys.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2093 - 2099"},"PeriodicalIF":0.4,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571073","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}
{"title":"Exchange contribution to the variance of the excitation energy of the electron shell of the daughter atom in double β decay","authors":"K. S. Tyrin, M. I. Krivoruchenko","doi":"10.1007/s11182-024-03326-7","DOIUrl":"10.1007/s11182-024-03326-7","url":null,"abstract":"<div><p>The excitation of electron shell of a daughter atom in a neutrinoless ββ decay changes the shape of the total energy peak of β electrons at the endpoint of the energy spectrum. The main parameters of the modified distribution are the average energy and the variance of the electron shell excitation energy. An expression is derived for the variance taking into account exchange effects, and numerical estimates of the average excitation energy and variance are made based on the non-relativistic Roothaan–Hartree–Fock method and the relativistic Dirac–Hartree–Fock method implemented in the General Relativistic Atomic Structure Package (G<span>rasp</span>2018). The estimates are made for eleven isotopes, the two–neutrino double–β decay of which is observed experimentally. The results are determined by the first two negative moments of the electron radii in the parent atom. The values obtained can be used to parameterize the energy distribution of β electrons, taking into account the electron shell excitation of the daughter atom.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1896 - 1912"},"PeriodicalIF":0.4,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571011","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}
D. Yu. Zhapova, K. V. Krukovskii, S. A. Martynov, A. A. Gusarenko
{"title":"Features of the structural-phase state of thin-walled samples produced by electron beam wire-feed additive manufacturing on a titanium substrate","authors":"D. Yu. Zhapova, K. V. Krukovskii, S. A. Martynov, A. A. Gusarenko","doi":"10.1007/s11182-024-03350-7","DOIUrl":"10.1007/s11182-024-03350-7","url":null,"abstract":"<div><p>In this work, the structural-phase state of TiNi-based alloy samples printed by electron beam wire-feed additive manufacturing method on a VT1‑0 substrate is studied. It is shown that the printed samples have a columnar, coarse-grained microstructure. Using the X‑ray diffraction method, it has been established that at room temperature, the studied samples have a B2 phase structure with the presence of no more than 10 vol.% of the Ti<sub>2</sub>Ni (or Ti<sub>4</sub>Ni<sub>2</sub>(O,N,C)<sub>x</sub>) phase. It is shown that when printing the TiNi-based alloy samples on the VT1‑0 substrate using EBAM, the samples are alloyed with titanium atoms from the substrate.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2088 - 2092"},"PeriodicalIF":0.4,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571027","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}
E. A. Sidorov, A. V. Chumaevskii, V. E. Rubtsov, T. E. Alushkin, A. V. Zubritsky, D. A. Gurianov, S. V. Fortuna, E. A. Kolubaev
{"title":"Formation of al-zn-cu-mg alloy joint structure under friction stir welding with additional liquid cooling and subsequent artificial aging","authors":"E. A. Sidorov, A. V. Chumaevskii, V. E. Rubtsov, T. E. Alushkin, A. V. Zubritsky, D. A. Gurianov, S. V. Fortuna, E. A. Kolubaev","doi":"10.1007/s11182-024-03348-1","DOIUrl":"10.1007/s11182-024-03348-1","url":null,"abstract":"<div><p>The structure characteristics and the formation of properties of high-strength aluminum alloy 7075 are studied during friction stir welding of 3 mm thick plates. A possibility of forming a high-quality, permanent joint by the implementation of supplementary liquid cooling techniques during the welding process is shown. The tensile strength of the samples welded with water cooling is observed to exceed the base metal strength by 0.9 times. In the case of post-treatment aging, the strength of the welds is found to exceed that of the base metal.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2077 - 2082"},"PeriodicalIF":0.4,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571029","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}
V. M. Semenchuk, A. V. Chumaevskii, K. V. Rubtsov, V. E. Rubtsov, D. A. Gurianov, N. L. Savchenko, E. A. Kolubaev
{"title":"Optimization of 3d-printing of bronze by wire-arc additive manufacturing","authors":"V. M. Semenchuk, A. V. Chumaevskii, K. V. Rubtsov, V. E. Rubtsov, D. A. Gurianov, N. L. Savchenko, E. A. Kolubaev","doi":"10.1007/s11182-024-03342-7","DOIUrl":"10.1007/s11182-024-03342-7","url":null,"abstract":"<div><p>The impact of heat input and scanning strategy during the printing of CuAl9Mn2 bronze by wire-arc additive technology on the structure, geometric parameters, and properties of the resulting products is examined. It is demonstrated that a higher rate of layer deposition results in enhanced mechanical properties of the material and smaller wall width and layer height. This enables the geometric parameters of the formed samples to be adjusted during printing. The deposition strategy also has a significant impact on the geometry of the products with round or rectangular cross-sections.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2034 - 2040"},"PeriodicalIF":0.4,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571026","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}
Yu. R. Sharapova, A. M. Kazakov, R. I. Babicheva, A. A. Isosimov, E. A. Korznikova
{"title":"Interaction of supersonic crowdions with point defects in BCC tungsten: molecular dynamics simulation","authors":"Yu. R. Sharapova, A. M. Kazakov, R. I. Babicheva, A. A. Isosimov, E. A. Korznikova","doi":"10.1007/s11182-024-03335-6","DOIUrl":"10.1007/s11182-024-03335-6","url":null,"abstract":"<div><p>High mobility crowdions move in the lattice with subsonic and even supersonic velocity with the mass and energy transfer. This work studies the interaction between supersonic 1‑ and 2‑crowdions with point defects in the tungsten crystal lattice. Molecular dynamics simulation shows that the presence of point defects in the row nearest to the crowdion motion path, strongly affects the crowdion dynamics. The mass and energy transfer of supersonic 2‑crowdion is found to be more effective than that of the 1‑crowdion.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"1976 - 1983"},"PeriodicalIF":0.4,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571028","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}
O. S. Cherepanov, A. I. Potekaev, V. A. Simakhin, L. G. Shamanaeva
{"title":"Thin structure of diurnal variations of the vertical wind speed and direction gradients from minisodar data","authors":"O. S. Cherepanov, A. I. Potekaev, V. A. Simakhin, L. G. Shamanaeva","doi":"10.1007/s11182-024-03360-5","DOIUrl":"10.1007/s11182-024-03360-5","url":null,"abstract":"<div><p>Based on remote daily hourly measurements of the vertical profiles of three wind velocity components with an AV4000 minisodar in the atmosphere at altitudes of 5–200 m, the thin structure of the vertical wind speed and direction gradients has been analyzed with 10-minute time averaging and spatial resolution ∆z = 5 m. The vertical wind speed and direction gradients (the wind shear and veer) depend on the time of the day. In the altitude dependence of the vertical wind direction gradient, four layers can be distinguished: the near-ground layer from 5 to 20–25 m, the mixing layer with practically zero gradient ∆α, the surface layer at altitudes of 100–150 m, and the transitive layer at higher altitudes. The vertical wind direction gradient changes in the range −15° <span>(leq Updelta alpha left(z{,}tright)leq)</span> +20°.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2159 - 2168"},"PeriodicalIF":0.4,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571088","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}
V. D. Sitdikov, E. D. Khafizova, M. V. Polenok, E. D. Abdrakhmanova
{"title":"Corrosion resistance of ultrafine-grained Zn-1%Li-2%Mg and Zn-1.0%Mg-1.0%Fe alloys","authors":"V. D. Sitdikov, E. D. Khafizova, M. V. Polenok, E. D. Abdrakhmanova","doi":"10.1007/s11182-024-03356-1","DOIUrl":"10.1007/s11182-024-03356-1","url":null,"abstract":"<div><p>The paper studies the corrosion resistance of ultrafine-grained (UFG) Zn-1%Li-2%Mg and Zn-1%Mg-1%Fe alloys having unique mechanical properties due to severe plastic deformation. The X‑ray diffraction analysis and scanning electron microscopy are used to explore the alloy surface after the interaction with a corrosive environment. It is found that the corrosion rate of UFG Zn-1%Li-2%Mg and Zn-1%Mg-1%Fe alloys is 0.089 and 0.061 mm/year, respectively. For the Zn-1%Li-2%Mg alloy, this is explained by the higher content of a mixture of Zn and Mg<sub>2</sub>Zn<sub>11</sub> phases and the defect structure of the Zn phase. The growth in the corrosion rate in Zn-1%Mg-1%Fe alloy, can be explained by the higher content of impurity atoms in the Zn phase, leading to a higher corrosion potential.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 11","pages":"2129 - 2135"},"PeriodicalIF":0.4,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571086","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}