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Influence of Nanomodification on the Microstructure of the Metal of Welded Joints of Low-Alloy Steels 纳米改性对低合金钢焊接接头金属微观结构的影响
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-09-06 DOI: 10.1007/s11003-024-00838-y
V. V. Golovko, V. A. Kostin, V. V. Zhukov
{"title":"Influence of Nanomodification on the Microstructure of the Metal of Welded Joints of Low-Alloy Steels","authors":"V. V. Golovko, V. A. Kostin, V. V. Zhukov","doi":"10.1007/s11003-024-00838-y","DOIUrl":"https://doi.org/10.1007/s11003-024-00838-y","url":null,"abstract":"<p>The inoculation of nano-sized particles of refractory Al<sub>2</sub>O<sub>3</sub>, TiO<sub>2</sub>, MgO, ZrO<sub>2</sub> oxides into the welding bath was studied. The inoculation of oxides with a low-level mismatch to the δ-Fe lattice and increased wetting with liquid iron ( MgO, ZrO<sub>2</sub>) contributes to the growth of dendrites, which are formed during melt crystallization. Metal modification with MgO, ZrO<sub>2</sub> oxides decreases the hardness of polygonal ferrite and increases the content of lower bainite in the microstructure of joints, brittle fracture resistance of the joint metal. Metal modification with Al<sub>2</sub>O<sub>3</sub>, TiO<sub>2</sub> oxides contributes to an increase in the hardness of polygonal ferrite, the content of upper bainite in the joint microstructure, and the strength of welded joints of low-alloy steels.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stress State of a Soft Interlayer under Conditions of Plane and Axisymmetric Strains 软夹层在平面和轴对称应变条件下的应力状态
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-08-19 DOI: 10.1007/s11003-024-00841-3
B. K. Hanulich
{"title":"Stress State of a Soft Interlayer under Conditions of Plane and Axisymmetric Strains","authors":"B. K. Hanulich","doi":"10.1007/s11003-024-00841-3","DOIUrl":"https://doi.org/10.1007/s11003-024-00841-3","url":null,"abstract":"<p>The stress state of a soft interlayer under contact strengthening, when tensile stresses are greater than the yield strength of the interlayer metal and less than the stresses causing a general yield, is considered. The analytical expressions under plain strain and axisymmetric tension are obtained. In the first case, the stresses are determined using the Airy stress function as a corresponding polynomial, in the second case – based on the stress function of the fifth degree, built on the corresponding Legendre polynomial. The stresses satisfy the differential equations of equilibrium and boundary conditions.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling of Laser-Modified Layer Reinforced With Silicon Carbide Particles on an Aluminum Alloy 铝合金上用碳化硅颗粒强化的激光修饰层建模
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-08-14 DOI: 10.1007/s11003-024-00837-z
I. B. Ivasenko, O. R. Berehulyak, T. S. Mandziy, V. M. Posuvailo, R. A. Vorobel
{"title":"Modeling of Laser-Modified Layer Reinforced With Silicon Carbide Particles on an Aluminum Alloy","authors":"I. B. Ivasenko, O. R. Berehulyak, T. S. Mandziy, V. M. Posuvailo, R. A. Vorobel","doi":"10.1007/s11003-024-00837-z","DOIUrl":"https://doi.org/10.1007/s11003-024-00837-z","url":null,"abstract":"<p>Methods of modeling silicon carbide particles of asymmetric shape as well as the methods of image analysis of the surface layer of the aluminum alloy reinforced with silicon carbide particles were developed. A 3D modeling of the distribution of silicon carbide particles of different sizes and filling percentages in the surface layer of the aluminum alloy was carried out. The distribution of silicon carbide areas in different cross-section planes and with different volumetric filling of the strengthened layer was established.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Formation Conditions and Properties of High-Entropy Alloys Creating σ-Phase 产生σ相的高熵合金的形成条件和特性
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-08-14 DOI: 10.1007/s11003-024-00839-x
V. F. Gorban, M. O. Krapivka, O. M. Myslyvchenko
{"title":"Formation Conditions and Properties of High-Entropy Alloys Creating σ-Phase","authors":"V. F. Gorban, M. O. Krapivka, O. M. Myslyvchenko","doi":"10.1007/s11003-024-00839-x","DOIUrl":"https://doi.org/10.1007/s11003-024-00839-x","url":null,"abstract":"<p>High-entropy alloys (HEA) based on the renewal of elements of the V–IX groups of the Periodic Table, which are capable of forming σ-phase with each other, are studied. The formation of the σ-phase in the range of electronic concentration of 6.7-8 el/at was monitored. The effect of electron concentration on the content of the σ-phase in HEA-containing elements forming the σ-phase in a two-component system is shown. The conditions for the formation of a single-phase structure of the σ-phase during crystallization of multicomponent HEA are determined. The limits of the existence of a 100% high-entropy phase are established and the influence of lattice parameters on their properties is revealed. A decrease in the size of the parameters c and an of the σ-phase leads to an increase in both the hardness and modulus of elasticity of alloys with a single-phase structure of the high-entropy σ-phase.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of Hydrogen Embrittlement of Operated Pipe Steel Using the J-Integral Method 使用 J 积分法评估运行中钢管的氢脆情况
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-08-13 DOI: 10.1007/s11003-024-00830-6
O. T. Tsyrulnyk, O. Z. Student, O. I. Zvirko, D. O. Demianchuk, O. I. Venhryniuk
{"title":"Assessment of Hydrogen Embrittlement of Operated Pipe Steel Using the J-Integral Method","authors":"O. T. Tsyrulnyk, O. Z. Student, O. I. Zvirko, D. O. Demianchuk, O. I. Venhryniuk","doi":"10.1007/s11003-024-00830-6","DOIUrl":"https://doi.org/10.1007/s11003-024-00830-6","url":null,"abstract":"<p>Fracture due to hydrogen embrittlement is a major concern for the reliability and safety of hydrogen transportation via gas pipelines. Pipe steels are characterized by high plasticity, therefore, methods of nonlinear fracture mechanics, including the <i>J</i>-integral method, are preferred for determining the fracture toughness. The influence of preliminary electrochemical hydrogen charging under a moderate mode on fracture toughness of API 5L X67 steel in the as-delivered and 34-year operated on the gas main pipeline conditions was studied. A methodological feature of the experiments is the use of different rates of mechanical loading of specimens with cracks. The influence of the long-term operation of steel on its resistance to brittle fracture is revealed, depending on the test conditions.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of the Methodology for Monitoring the Technical State of Bridge Structures and Establishment of Safe Operating Period 制定监测桥梁结构技术状态和确定安全运营期的方法
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-08-13 DOI: 10.1007/s11003-024-00832-4
Ya.L. Ivanytskyi, Z. Ya. Blikharskyi, O. P. Maksymenko, O. V. Panchenko, Ya. Z. Blikharskyi
{"title":"Development of the Methodology for Monitoring the Technical State of Bridge Structures and Establishment of Safe Operating Period","authors":"Ya.L. Ivanytskyi, Z. Ya. Blikharskyi, O. P. Maksymenko, O. V. Panchenko, Ya. Z. Blikharskyi","doi":"10.1007/s11003-024-00832-4","DOIUrl":"https://doi.org/10.1007/s11003-024-00832-4","url":null,"abstract":"<p>A methodology for determining the technical state of reinforced concrete bridge structures was developed. It is based on establishing the depth and location of the largest deflection using a laser projection system, as well as an approach to finding the stress-strain state (SSS) along the height of the beam. An energy approach, which foresees the energy of elastic-plastic deformation calculation of concrete and reinforcement was used for this. The specific fracture energy as an invariant characteristic of concrete strength under tension, compression, and also tension of reinforcement were established experimentally. The true diagrams of deformation and fracture of concrete samples taken from the structure were plotted. The results of experimental studies of SSS during the bending of a reinforced concrete beam agree well with those calculated by the finite element method.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differences in Structure and Properties of the Beam Metal of the Bridge Structure 桥梁结构横梁金属的结构和性能差异
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-08-13 DOI: 10.1007/s11003-024-00833-3
H. V. Krechkovska, A. A. Voitovich, A. R. Dzyubyk, B. I. Kindratskyi, O. S. Lampitskyi, L. I. Bohun
{"title":"Differences in Structure and Properties of the Beam Metal of the Bridge Structure","authors":"H. V. Krechkovska, A. A. Voitovich, A. R. Dzyubyk, B. I. Kindratskyi, O. S. Lampitskyi, L. I. Bohun","doi":"10.1007/s11003-024-00833-3","DOIUrl":"https://doi.org/10.1007/s11003-024-00833-3","url":null,"abstract":"<p>The mechanical properties of 15KhSND steel of the beam of the bridge structure were analyzed. The characteristics of strength, plasticity, and resistance to brittle fracture of the steel of its wall correspond to the regulated values. The values of strength and plasticity of the steel shelf do not exceed the normalized limits, but the low values of its impact strength and brittle cleavages on the sample microfractures indicate a tendency to brittle fracture. The resistance to brittle fracture of the metal from the beam shelf decreased in three times on the longitudinal samples, and two times on the transverse ones as compared to the inherent brittle fracture resistance of steel from the beam wall.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and Catalytic Properties of Ag(Pd) Bimetallic Nanoparticles 银（钯）双金属纳米粒子的合成与催化特性
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-08-13 DOI: 10.1007/s11003-024-00840-4
L. I. Bazylyak, R. B. Sheperovych, P. Ya. Liutyy, M. V. Shepida, O. I. Kuntyi, A. R. Kytsya
{"title":"Synthesis and Catalytic Properties of Ag(Pd) Bimetallic Nanoparticles","authors":"L. I. Bazylyak, R. B. Sheperovych, P. Ya. Liutyy, M. V. Shepida, O. I. Kuntyi, A. R. Kytsya","doi":"10.1007/s11003-024-00840-4","DOIUrl":"https://doi.org/10.1007/s11003-024-00840-4","url":null,"abstract":"<p>Ag(Pd) bimetallic nanostructures (Ag(Pd)NPs) were synthesized using the galvanic replacement of palladium ions with silver nanoparticles. Based on a comparative analysis of the results of scanning electron microscopy, energy dispersive X-ray microanalysis, and X-ray powder diffraction, it was established that the obtained Ag(Pd)NPs can be considered as “core-shell” nanosystems, in which the core is silver, and the shells are palladium nanoparticles with a size of 5–15 nm. Ag(Pd)NPs were studied as catalysts for the aerobic liquid-phase oxidation of benzyl alcohol. The addition of Ag(Pd)NPs to the reaction system accelerates the reaction in 14 times.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","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 Zeolite-Phosphate Anti-Corrosion Pigment on Protective Properties of Epoxy Coating on Carbon Steel 沸石磷酸盐防腐颜料对碳钢环氧涂层防护性能的影响
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-08-13 DOI: 10.1007/s11003-024-00825-3
I. M. Zin, B. M. .O. P. DatskoKhlopyk, N. Yo. Sobodosh, S. A. Korniy
{"title":"Effect of Zeolite-Phosphate Anti-Corrosion Pigment on Protective Properties of Epoxy Coating on Carbon Steel","authors":"I. M. Zin, B. M. .O. P. DatskoKhlopyk, N. Yo. Sobodosh, S. A. Korniy","doi":"10.1007/s11003-024-00825-3","DOIUrl":"https://doi.org/10.1007/s11003-024-00825-3","url":null,"abstract":"<p>The effect of the zeolite-phosphate anti-corrosion pigment obtained by the mechanochemical method on the protective properties of the epoxy coating on carbon steel was investigated. Methods of electrochemical impedance spectroscopy, optical 3D profilometry, and tests in a heat and humidity chamber established that adding such a pigment to an epoxy primer significantly reduces the rate of the metal under-film corrosion.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of a Model of Transition Element Factor of Alloying Elements of Self-Shielding Flux-Cored Powder Wire and Optimization of its Core Filler Composition 自屏蔽药芯焊丝合金元素过渡元素系数模型的开发及其芯材填料成分的优化
IF 0.7 4区 材料科学
Materials Science Pub Date : 2024-08-10 DOI: 10.1007/s11003-024-00834-2
B. O. Trembach, Yu. A. Silchenko, M. G. Sukov, N. B. Ratska, Z. A. Duriagina, I. V. Krasnoshapka, O. V. Kabatskyi, O. Rebrova
{"title":"Development of a Model of Transition Element Factor of Alloying Elements of Self-Shielding Flux-Cored Powder Wire and Optimization of its Core Filler Composition","authors":"B. O. Trembach, Yu. A. Silchenko, M. G. Sukov, N. B. Ratska, Z. A. Duriagina, I. V. Krasnoshapka, O. V. Kabatskyi, O. Rebrova","doi":"10.1007/s11003-024-00834-2","DOIUrl":"https://doi.org/10.1007/s11003-024-00834-2","url":null,"abstract":"","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141921144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","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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