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Fiber-optic perimeter security system based on spectral mode analysis 基于光谱模式分析的光纤周界安防系统
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-03-14 DOI: 10.1007/s11182-025-03432-0
A. A. Kovtun, R. A. Mekhtiyev, A. V. Yurchenko
{"title":"Fiber-optic perimeter security system based on spectral mode analysis","authors":"A. A. Kovtun,&nbsp;R. A. Mekhtiyev,&nbsp;A. V. Yurchenko","doi":"10.1007/s11182-025-03432-0","DOIUrl":"10.1007/s11182-025-03432-0","url":null,"abstract":"<div><p>The paper presents the spectral mode analysis of the proposed fiber-optic security system (FOSS) and achievements in processing the data from fiber-optic sensors, design and operating principles of the proposed system. The paper focuses on the cost reduction and simplification the FOSS design, while maintaining its high efficiency. The use of single-mode optical fiber of the G.652 type, allows increasing the protected perimeter length up to 40 km, providing the resistance to external influences. The proposed software is used to analyze changes in the light spot, recording mechanical effects in real time. The program supports several operating modes, including automatic adaptation to changing conditions, which minimizes the number of false positives. The FOSS demonstrates the high accuracy in laboratory conditions, which confirms its potential for use in the protection of extended objects.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"68 2","pages":"294 - 299"},"PeriodicalIF":0.4,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143925602","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
Model of coating synthesis with regard to structurization 基于结构的涂层合成模型
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-03-05 DOI: 10.1007/s11182-025-03379-2
O. N. Kryukova, A. G. Knyazeva
{"title":"Model of coating synthesis with regard to structurization","authors":"O. N. Kryukova,&nbsp;A. G. Knyazeva","doi":"10.1007/s11182-025-03379-2","DOIUrl":"10.1007/s11182-025-03379-2","url":null,"abstract":"<div><p>A variant describing the structure of the material synthesized using the structurization parameter is suggested. This process is presented as a reversible reaction the rate of stages of which depends on the temperature. The model of coating synthesis on a substrate under laser control conditions is supplemented with structurization stages. It is shown that the synthesis product is always heterogeneous and contains both the initial reagents and reaction product in structured and unstructured states.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 12","pages":"2309 - 2317"},"PeriodicalIF":0.4,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612122","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
Combined processing of the surface of metal specimens manufactured by the electron beam welding method 电子束焊接法制备金属试样表面的组合处理
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-03-03 DOI: 10.1007/s11182-025-03368-5
A. D. Teresov, A. A. Leonov, E. A. Petrikova, V. N. Tishchenko
{"title":"Combined processing of the surface of metal specimens manufactured by the electron beam welding method","authors":"A. D. Teresov,&nbsp;A. A. Leonov,&nbsp;E. A. Petrikova,&nbsp;V. N. Tishchenko","doi":"10.1007/s11182-025-03368-5","DOIUrl":"10.1007/s11182-025-03368-5","url":null,"abstract":"<div><p>A method of reducing the roughness and improving the hardness and tribological properties of the surface of metal materials and products manufactured using additive technologies that consists in the creation of a metal film on the surface of the layer alloyed by the method of electron-ion-plasma processing that combines vacuum arc deposition of a thin (up to several microns) film and subsequent pulsed electron-beam irradiation of a film/substrate system is presented. On the example of Zr (film)/stainless steel 308LSi (substrate) specimens, it is shown that the proposed method of combined processing allows not only reducing considerably the roughness of the surface layer, but also improving its hardness and tribological properties compared to the initial material by a factor of 2.5 and up to 15 times, respectively.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 12","pages":"2224 - 2230"},"PeriodicalIF":0.4,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612033","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 volume compression on the thresholds of laser pulse initiation of PETN mixtures at various concentrations of nano-sized carbon and aluminum particles 体积压缩对不同浓度纳米级碳和铝颗粒的 PETN 混合物激光脉冲启动阈值的影响
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-03-03 DOI: 10.1007/s11182-025-03387-2
V. P. Tsipilev, V. I. Oleshko, A. N. Yakovlev, V. A. Ovchinnikov, I. Yu. Zykov, E. V. Forat, I. A. Saidazimov, T. V. Grechkina
{"title":"Effect of volume compression on the thresholds of laser pulse initiation of PETN mixtures at various concentrations of nano-sized carbon and aluminum particles","authors":"V. P. Tsipilev,&nbsp;V. I. Oleshko,&nbsp;A. N. Yakovlev,&nbsp;V. A. Ovchinnikov,&nbsp;I. Yu. Zykov,&nbsp;E. V. Forat,&nbsp;I. A. Saidazimov,&nbsp;T. V. Grechkina","doi":"10.1007/s11182-025-03387-2","DOIUrl":"10.1007/s11182-025-03387-2","url":null,"abstract":"<div><p>The energy thresholds and the kinetics of explosive degradation of PETN and its composites is studied experientially under ignition by a laser pulse (λ<sub>0</sub> = 1064 nm, τ<sub>p</sub> = 12 ns) depending on the concentration of absorbing additives and the pressure changing in the range from 40 to 600 MPa. A complex dependence of the initiation thresholds on the pressure and additive concentration has been demonstrated. Results are explained by the authors within the framework of the thermal micro-spot model of initiating the transparent explosive components (the <i>hot spot</i> model).</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 12","pages":"2368 - 2378"},"PeriodicalIF":0.4,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612056","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
Terahertz nondestructive evaluation of objects produced by additive manufacturing 增材制造产生的物体的太赫兹无损评价
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-03-03 DOI: 10.1007/s11182-025-03392-5
A. V. Perevalov, A. I. Berdyugin, A. V. Badin, D. A. Pidotova, K. V. Dorozhkin, D. A. Frolova, E. A. Trofimov, V. D. Moskalenko
{"title":"Terahertz nondestructive evaluation of objects produced by additive manufacturing","authors":"A. V. Perevalov,&nbsp;A. I. Berdyugin,&nbsp;A. V. Badin,&nbsp;D. A. Pidotova,&nbsp;K. V. Dorozhkin,&nbsp;D. A. Frolova,&nbsp;E. A. Trofimov,&nbsp;V. D. Moskalenko","doi":"10.1007/s11182-025-03392-5","DOIUrl":"10.1007/s11182-025-03392-5","url":null,"abstract":"<div><p>The paper deals with digital holography that provides non-destructive flaw detection in objects produced by fused deposition modeling printing and suitable for application in the terahertz range. The 200 GHz holographic image recording system is based on the quasi-optical lens transmission line. Holographic images are obtained for the phase-contrast object in the form of two ribbons of conducting acrylonitrile butadiene styrene (ABS) separated in thickness and <i>Y</i> coordinate. These bands locate inside another ABS dielectric material. The angular spectrum method is used to determine the position of artificial inhomogeneities in the sample with a 3 mm accuracy.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 12","pages":"2408 - 2415"},"PeriodicalIF":0.4,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612032","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
Dynamics of the temperature on the surface of the TiCuN (coating)/A7 (substrate) system upon irradiation with a pulsed electron beam 脉冲电子束辐照下TiCuN（涂层）/A7（衬底）体系表面温度的动态变化
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-03-03 DOI: 10.1007/s11182-025-03373-8
A. D. Teresov, T. V. Koval, Tran My-Kim-An, O. V. Krysina, P. V. Moskvin
{"title":"Dynamics of the temperature on the surface of the TiCuN (coating)/A7 (substrate) system upon irradiation with a pulsed electron beam","authors":"A. D. Teresov,&nbsp;T. V. Koval,&nbsp;Tran My-Kim-An,&nbsp;O. V. Krysina,&nbsp;P. V. Moskvin","doi":"10.1007/s11182-025-03373-8","DOIUrl":"10.1007/s11182-025-03373-8","url":null,"abstract":"<div><p>The temperature of the surface of A7 aluminum alloy specimens with TiCuN coatings 1–6 μm thick has been measured during irradiation with intense pulsed electron beams having different energy densities and pulse durations using a high-speed infrared pyrometer. Numerical simulation of the thermal fields for the same conditions shows good similarity to the experimental data and allows temperature dependences to be determined at different depths from the specimen surface and different distances from the beam symmetry axis for coatings of various thicknesses with different melting depths of the aluminum base to be determined together with the lifetime of the liquid phase.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 12","pages":"2265 - 2271"},"PeriodicalIF":0.4,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612030","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
Elastic deformation of the cylinder in the case of axisymmetric strapping with angular lines 轴对称带角线情况下圆柱体的弹性变形
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-03-03 DOI: 10.1007/s11182-025-03378-3
M. A. Bubenchikov, A. M. Bubenchikov, S. A. Azheev, A. A. Azheev
{"title":"Elastic deformation of the cylinder in the case of axisymmetric strapping with angular lines","authors":"M. A. Bubenchikov,&nbsp;A. M. Bubenchikov,&nbsp;S. A. Azheev,&nbsp;A. A. Azheev","doi":"10.1007/s11182-025-03378-3","DOIUrl":"10.1007/s11182-025-03378-3","url":null,"abstract":"<div><p>An axisymmetric stationary problem of elastic deformation of a circular cylinder is considered in the case of an impact on the lateral surface of an absolutely rigid ring with angular lines. Equilibrium equations in displacements are used. In this case, the stress and strain tensors have four nonzero components. All stresses are found by calculations, and zones of possible destruction of the material are determined by their maximum values.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 12","pages":"2304 - 2308"},"PeriodicalIF":0.4,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612031","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 of thin TiNi wires and fiber-based surgical implants 细钛金属丝和纤维基外科植入物的结构
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-02-26 DOI: 10.1007/s11182-025-03394-3
N. V. Artyukhova, E. A. Bolshevich, S. A. Pakholkina, V. G. Ryzhakova, V. I. Korobeinikova, V. I. Mitsiuk, V. V. Stolyarov
{"title":"Structure of thin TiNi wires and fiber-based surgical implants","authors":"N. V. Artyukhova,&nbsp;E. A. Bolshevich,&nbsp;S. A. Pakholkina,&nbsp;V. G. Ryzhakova,&nbsp;V. I. Korobeinikova,&nbsp;V. I. Mitsiuk,&nbsp;V. V. Stolyarov","doi":"10.1007/s11182-025-03394-3","DOIUrl":"10.1007/s11182-025-03394-3","url":null,"abstract":"<div><p>The paper studies the structure of TiNi wires of a diameter 60 μm obtained by the conventional technique followed by cryogenic treatment. X‑ray diffractometry, scanning electron microscopy (SEM) and energy dispersive spectroscopy reveal chemical and phase compositions of thin wires before and after cryogenic treatment. SEM is used to investigate biointegration of a spherical TiNi implant into soft tissues. It is shown that cryogenic treatment of thin TiNi wires provides the formation of two phases B2+B19’ in the structure that indicates to martensite stabilization after cooling. The high integration tie is demonstrated between body tissues both inside and on the surface of the spherical implant.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"68 1","pages":"9 - 15"},"PeriodicalIF":0.4,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818237","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
Fe–Cu nanoparticle-modified calcium phosphate coatings: enhanced antimicrobial and biocompatibility properties 铁铜纳米粒子修饰磷酸钙涂层：增强抗菌和生物相容性
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-02-26 DOI: 10.1007/s11182-025-03395-2
V. V. Chebodaeva, O. V. Bakina, Yu. P. Sharkeev
{"title":"Fe–Cu nanoparticle-modified calcium phosphate coatings: enhanced antimicrobial and biocompatibility properties","authors":"V. V. Chebodaeva,&nbsp;O. V. Bakina,&nbsp;Yu. P. Sharkeev","doi":"10.1007/s11182-025-03395-2","DOIUrl":"10.1007/s11182-025-03395-2","url":null,"abstract":"<div><p>Calcium phosphate (CaP) coatings modified with Fe–Cu nanoparticles have been manufactured using the micro-arc oxidation (MAO) method. The primary focus was on the morphology, elemental composition, phase composition, and surface charge properties as well as the antimicrobial activity and cytotoxicity of the coatings. It is demonstrated that the addition of the Fe–Cu nanoparticles enhances the antimicrobial properties of the coatings by reducing the number of viable Staphylococcus aureus bacteria and increases the biocompatibility of the coatings. This makes the coatings promising for use in medical implants, providing the necessary composition and porosity along with the improved biological characteristics.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"68 1","pages":"16 - 23"},"PeriodicalIF":0.4,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818238","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
Deformation structure of AISI 321 austenitic steel in the temperature range of 213–338 K AISI 321奥氏体钢在213 ~ 338 K温度范围内的变形组织
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2025-02-26 DOI: 10.1007/s11182-025-03393-4
G. V. Shlyakhova, S. V. Kolosov, S. A. Barannikova, L. B. Zuev
{"title":"Deformation structure of AISI 321 austenitic steel in the temperature range of 213–338 K","authors":"G. V. Shlyakhova,&nbsp;S. V. Kolosov,&nbsp;S. A. Barannikova,&nbsp;L. B. Zuev","doi":"10.1007/s11182-025-03393-4","DOIUrl":"10.1007/s11182-025-03393-4","url":null,"abstract":"<div><p>In the present work, atomic force microscopy (AFM) and electron backscatter diffraction (EBSD) analyses are used to study the microstructure of metastable AISI 321 austenitic steel subjected to quasi-static uniaxial tension in the temperature range 213–338 K. The influence of deformation on phase transformations in metastable austenitic steels is shown. The temperature dependence of the volume fraction of the martensitic phase and microhardness are revealed.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"68 1","pages":"1 - 8"},"PeriodicalIF":0.4,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818236","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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