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Kinetics of Gas Carburizing of Zr–1%Nb Alloy Zr-1%Nb 合金的气体渗碳动力学
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-06-18 DOI: 10.1007/s11003-024-00819-1
V. S. Trush, I. M. Pohrelyuk, A. G. Lyk’yanenko, T. M. Kravchyshyn, V. M. Fedirko, V. M. Korendii, I. V. Kovalchuk
{"title":"Kinetics of Gas Carburizing of Zr–1%Nb Alloy","authors":"V. S. Trush, I. M. Pohrelyuk, A. G. Lyk’yanenko, T. M. Kravchyshyn, V. M. Fedirko, V. M. Korendii, I. V. Kovalchuk","doi":"10.1007/s11003-024-00819-1","DOIUrl":"https://doi.org/10.1007/s11003-024-00819-1","url":null,"abstract":"<p>The kinetic characteristics of thin-sheet (approx. 1 mm) Zr–1%Nb alloy samples after treatment in a carbon-containing gas medium (<span>({P}_{mathrm{Ar}+{mathrm{C}}_{3}{mathrm{H}}_{8}})</span> = 0.106 Pa) in a wide temperature range of 650–850°C and time 1; 5 and 10 h were investigated. The carburizing of the alloy at temperatures of 650 and 750°C occurs according to a law close to linear (<i>n</i> ≈ 1), and at 850°C according to a law close to parabolic (<i>n</i> ≈ 2). The activation energy of the alloy carburizing in the temperature range of 650–850°C at the propane partial pressure <span>({p}_{{mathrm{C}}_{3}{mathrm{H}}_{8}})</span> = 0.018 Pa was 2.21 kJ/mol. The distribution of microhardness and structure of the near-surface layers of the alloy was shown. The microstructure of the near-surface layers of the alloy after carburizing was determined. The α-Zr and ZrC phase content on the alloy surface after treatment in a carbon-containing gas environment is presented.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"15 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141530479","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
Tempering Brittleness of Die 4Kh4N5M4F2 Steel 4Kh4N5M4F2 模具钢的回火脆性
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-06-18 DOI: 10.1007/s11003-024-00822-6
O. M. Sydorchuk, K. O. Gogaev, O. K. Radchenko, M. Geybat Oglu Askerov, V. I. Bondarchuk
{"title":"Tempering Brittleness of Die 4Kh4N5M4F2 Steel","authors":"O. M. Sydorchuk, K. O. Gogaev, O. K. Radchenko, M. Geybat Oglu Askerov, V. I. Bondarchuk","doi":"10.1007/s11003-024-00822-6","DOIUrl":"https://doi.org/10.1007/s11003-024-00822-6","url":null,"abstract":"<p>Heat-treated 4Kh4N5M4F2 steel with adjustable austenitic transformation during operation was studied. The temperature range (450–500°C) in which the tempering brittleness of this steel was manifested was established. The impact toughness of the samples after different tempering temperatures and after steel hardening from 1100°C was determined and it was shown that after tempering at 475°C the minimum value of the impact toughness at room temperature (15 J cm<sup>2</sup> ) was reached. The role of Ni as a Fe<sub>1–<i>x</i></sub>Ni<sub><i>x</i></sub> replacement element was analyzed, and the segregation along the grain boundaries of the Me<sub>6</sub>C carbide phase in the solid solution, which caused a decrease in the impact toughness and an increase in the steel brittleness, was recorded.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"57 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141512790","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 Temperature and Pressure on Corrosion and Hydrogenation of Steel in Chloride-Acetate Environment with Different Concentrations of Hydrogen Sulfide and Carbon Dioxide 温度和压力对硫化氢和二氧化碳浓度不同的氯醋酸盐环境中钢的腐蚀和氢化的影响
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-06-18 DOI: 10.1007/s11003-024-00806-6
V. I. Pokhmurskii, M. S. Khoma, M. R. Chuchman, Kh. B. Vasyliv, N. B. Ratska
{"title":"Effect of Temperature and Pressure on Corrosion and Hydrogenation of Steel in Chloride-Acetate Environment with Different Concentrations of Hydrogen Sulfide and Carbon Dioxide","authors":"V. I. Pokhmurskii, M. S. Khoma, M. R. Chuchman, Kh. B. Vasyliv, N. B. Ratska","doi":"10.1007/s11003-024-00806-6","DOIUrl":"https://doi.org/10.1007/s11003-024-00806-6","url":null,"abstract":"<p>Low-carbon pipe steel’s corrosion rate and hydrogenation in a chloride-acetate solution with CO<sub>2</sub>/H<sub>2</sub>S mixtures at different temperatures and pressures were investigated. The rate of corrosion and hydrogenation depend on the H<sub>2</sub>S concentration and the properties of corrosion films. In a solution with a pressure ratio of <span>({P}_{{text{CO}}_{2}}:{P}_{{text{H}}_{2}text{S}}=30:1)</span> and at the beginning of exposure at a pressure ratio of 3:1 corrosion slows down due to the formation of Fe<sub>1+<i>x</i></sub>S mackinawite film. Over time, mackinawite transforms into hexagonal FeS troilite with an acicular structure, and the corrosion rate increases in approx. 2 times. The corrosion rate of steel at 60°C and 5 MPa in a solution with a pressure ratio of <span>({P}_{{text{CO}}_{2}}:{P}_{{text{H}}_{2}text{S}}=30:1)</span> was twice as low as at 20°C and 0.1 MPa. A dense layer of cubic iron sulfide FeS crystals was formed on the surface, which reduces corrosion. The adsorption of hydrogen by the steel reduced in approx. 15 times as the temperature increases.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"115 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141512789","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
Adhesion Strength of TiN Coatings Deposited on VT1-0 Titanium with Different Surface Conditions 不同表面条件下 VT1-0 钛上沉积的 TiN 涂层的附着强度
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-04-22 DOI: 10.1007/s11003-024-00800-y
H. H. Veselivska, I. M. Pohrelyuk, R. V. Proskurnyak, O. S. Kuprin
{"title":"Adhesion Strength of TiN Coatings Deposited on VT1-0 Titanium with Different Surface Conditions","authors":"H. H. Veselivska, I. M. Pohrelyuk, R. V. Proskurnyak, O. S. Kuprin","doi":"10.1007/s11003-024-00800-y","DOIUrl":"https://doi.org/10.1007/s11003-024-00800-y","url":null,"abstract":"<p>The TiN coating obtained by vacuum-arc spraying on the surface of commercially pure VT1-0 titanium and thermodiffusion saturation in a nitrogen atmosphere was studied. The coating was evaluated by thickness, phase composition, surface roughness, microhardness, and adhesive strength. Rockwell adhesion tests showed that the TiN coatings applied to both untreated and pre-nitrided titanium meet the HF2 adhesion level accepted for commercial application on products.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"48 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140636366","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
Anisotropy of Elastic Properties of Inconel 718 Alloy Specimens Obtained by 3D Printing 通过 3D 打印获得的 Inconel 718 合金试样弹性性能的各向异性
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-04-22 DOI: 10.1007/s11003-024-00792-9
V. V. Usov, N. M. Shkatuliak, D. V. Pavlenko, O. M. Tkachuk
{"title":"Anisotropy of Elastic Properties of Inconel 718 Alloy Specimens Obtained by 3D Printing","authors":"V. V. Usov, N. M. Shkatuliak, D. V. Pavlenko, O. M. Tkachuk","doi":"10.1007/s11003-024-00792-9","DOIUrl":"https://doi.org/10.1007/s11003-024-00792-9","url":null,"abstract":"<p>The anisotropy of the elastic properties of Inconel 718 alloy produced by 3D printing (selective laser sintering) from powders was studied depending on the direction of 3D printing. The influence of the initial powder mixture and the subsequent heat treatment (post-printing treatment) on the anisotropy of the elastic properties of the alloy was evaluated. It was shown that the proposed treatments can reduce the anisotropy of the elastic properties of the alloy. The results of the theoretical estimation of the elastic and shear moduli, Poisson’s ratio, and their anisotropy in the horizontal and vertical directions of 3D printing are presented, using elastic constants of the single crystal and texture characteristics determined by X-ray diffraction. It is shown that the obtained theoretical values deviate from the corresponding experimental ones by 6–10%. The results of elastic properties and their anisotropy estimating can be used to improve the accuracy of calculating the stress-strain state and optimize the strategy of 3D printing of complex parts made of Inconel 718 alloy.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"4 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140636365","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
Methods of Investigation of the Deposited Metal Properties and Their Application for the Development of Flux Cored Wires 研究沉积金属特性的方法及其在药芯焊丝开发中的应用
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-04-20 DOI: 10.1007/s11003-024-00799-2
I. O. Ryabtsev, A. A. Babinets, I. P. Lentugov, V. O. Zhdanov, I. I. Ryabtsev, V. V. Osin
{"title":"Methods of Investigation of the Deposited Metal Properties and Their Application for the Development of Flux Cored Wires","authors":"I. O. Ryabtsev, A. A. Babinets, I. P. Lentugov, V. O. Zhdanov, I. I. Ryabtsev, V. V. Osin","doi":"10.1007/s11003-024-00799-2","DOIUrl":"https://doi.org/10.1007/s11003-024-00799-2","url":null,"abstract":"<p>Methods and samples have been developed and improved for comprehensive evaluation of the operational properties of materials for deposited elements and tools for pressure metal processing. In particular, the method of assessing the wear resistance of deposited metal at room (20°C) and elevated (600°C) temperatures, as well as the thermal resistance of deposited metal was improved. Designs of samples and optimal test modes, which simulate their real operating conditions, were chosen. The introduction of the boron microadditives in the amount of 0.01% leads to an increase in the operational properties of the deposited 25Kh5FMS and 35V9Kh3SF steels in 1.2–1.6 times. According to these results, the composition of the flux cored FCW-Dep-25Kh5FMS and FCW-Dep-35V9Kh3SF wires was improved due to the addition of FMI-2 ligature containing boron.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"34 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140626394","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
Evaluation of the Endurance Limit of Cooled Blades of Gas-Turbine Engines Made of Heat-Resistant Nickel Alloy 评估用耐热镍合金制造的燃气涡轮发动机冷却叶片的耐久极限
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-03-16 DOI: 10.1007/s11003-024-00783-w
Yu. H. Kvasnytska, L. M. Ivaskevych, A. I. Balitskii, H. P. Mialnitsa, K. H. Kvasnytska
{"title":"Evaluation of the Endurance Limit of Cooled Blades of Gas-Turbine Engines Made of Heat-Resistant Nickel Alloy","authors":"Yu. H. Kvasnytska, L. M. Ivaskevych, A. I. Balitskii, H. P. Mialnitsa, K. H. Kvasnytska","doi":"10.1007/s11003-024-00783-w","DOIUrl":"https://doi.org/10.1007/s11003-024-00783-w","url":null,"abstract":"<p>The characteristics of fatigue failure of the working blades of the first stage of the high-pressure turbine of the power gas-turbine engine were determined. Experimental studies were carried out on blades obtained according to the improved technology from the CM88Y alloy, which is used in the serial production of gas-turbine units. The blades withstood the test base of 1×10<sup>7</sup> cycles at a stress of 200–240 MPa. The established endurance limit corresponded to the given service life of blades of this type.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"152 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140155551","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
Mechanism of Development of Damage of Low-Strength Pipe Steel Due to Hydrogenation Under Operation 低强度钢管在运行中因氢化而受损的发展机理
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-03-16 DOI: 10.1007/s11003-024-00778-7
O. I. Zvirko, M. I. Hredil, O. T. Tsyrulnyk, O. Z. Student, H. M. Nykyforchyn
{"title":"Mechanism of Development of Damage of Low-Strength Pipe Steel Due to Hydrogenation Under Operation","authors":"O. I. Zvirko, M. I. Hredil, O. T. Tsyrulnyk, O. Z. Student, H. M. Nykyforchyn","doi":"10.1007/s11003-024-00778-7","DOIUrl":"https://doi.org/10.1007/s11003-024-00778-7","url":null,"abstract":"<p>Resistance of pipe steels to hydrogen embrittlement is an important indicator of their serviceability. Pipes are manufactured from steels of a wide strength range. With the strength increase, a susceptibility to hydrogen embrittlement in general increases. This regularity is usually true for steels in the as-received state; however, the long-term operation can increase hydrogen susceptibility even of low- strength steels. This is caused by the development of damage dissipated in the metal bulk with the formation of voids due to deformation caused by high-pressure recombined hydrogen in them. Implementation of the hydrogen-induced damage mechanism, associated with the formation of deformation voids, extends the strength range of pipe steels, which become prone to operational hydrogen embrittlement.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"61 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140155578","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
Surface Modification of Titanium by Oxidation Followed by Electrospark Alloying with a Graphite Electrode 用石墨电极进行电火花合金化氧化后对钛进行表面改性
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-03-16 DOI: 10.1007/s11003-024-00784-9
I. M. Pohrelyuk, M. M. Student, Kh.R. Zadorozhna, V. S. Trush, T. M. Kravchyshyn
{"title":"Surface Modification of Titanium by Oxidation Followed by Electrospark Alloying with a Graphite Electrode","authors":"I. M. Pohrelyuk, M. M. Student, Kh.R. Zadorozhna, V. S. Trush, T. M. Kravchyshyn","doi":"10.1007/s11003-024-00784-9","DOIUrl":"https://doi.org/10.1007/s11003-024-00784-9","url":null,"abstract":"<p>The characteristics of the modified layer of commercially pure BT1-0 titanium (c.p. BT1-0 titanium) after oxygen thermal diffusion saturation (oxidation) and subsequent electrospark alloying (ESA) with a graphite electrode were analyzed. The phase composition of surface layers, their hardness and tribological properties were studied. It was shown that both surface electrospark alloying of titanium with a graphite electrode and combined processing (oxidation followed by ESA) improve its tribological characteristics during friction without lubrication. As a result, the friction coefficient decreases from 0.4–0.5 to 0.15–0.17. At the same time, the wear resistance of titanium increases in 1.2–2.9 times.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"154 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140156943","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
Peculiarities of Preparation and Properties of Cemented Carbide WC + 20 Mass% Ni with Ultra-Coarse-Grained Microstructure 具有超粗粒度微观结构的硬质合金 WC + 20 质量% Ni 的制备方法和性能特征
IF 0.9 4区 材料科学
Materials Science Pub Date : 2024-03-16 DOI: 10.1007/s11003-024-00786-7
O. O. Matviichuk, I. V. Andreiev, N. V. Litoshenko, M. O. Tsysar, V. A. Vynar, I. O. Hnatenko, S. A. Davydenko, I. V. Savchuk
{"title":"Peculiarities of Preparation and Properties of Cemented Carbide WC + 20 Mass% Ni with Ultra-Coarse-Grained Microstructure","authors":"O. O. Matviichuk, I. V. Andreiev, N. V. Litoshenko, M. O. Tsysar, V. A. Vynar, I. O. Hnatenko, S. A. Davydenko, I. V. Savchuk","doi":"10.1007/s11003-024-00786-7","DOIUrl":"https://doi.org/10.1007/s11003-024-00786-7","url":null,"abstract":"<p>The influence of the conditions of original components mixing and sintering temperatures on the peculiarities of microstructure formation of the cemented carbide WC + 20 mass% Ni prepared of ultra-coarse-grained (80/40 μm) tungsten carbide particles is investigated. The metallographic analysis shows that for the formation of such hard alloy microstructure, it is sufficient to use liquid phase sintering and preliminary economical wet mixing of WC with Ni powder. The strength under bending and compression is 1530 and 1720 MPa, respectively, the density is 13.51 g/cm<sup>3</sup>, and the hardness is 76 HRA. For the first time, the compressive stress-compression strain curve for this alloy with an average carbide grain size of 20 μm is experimentally obtained. The alloy plasticity is 6 times higher than that of the alloys prepared under other technological modes.</p>","PeriodicalId":18230,"journal":{"name":"Materials Science","volume":"7 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140155399","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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