Academic literature on the topic 'Fe-Mo-W alloy coatings'

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Journal articles on the topic "Fe-Mo-W alloy coatings"

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Wang, Jian Sheng, Rui Zhu Zhang, and Da Kao Yan. "Electrospark Deposition of Fe-Based Alloy Coating." Advanced Materials Research 146-147 (October 2010): 1601–4. http://dx.doi.org/10.4028/www.scientific.net/amr.146-147.1601.

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Electrospark deposition (ESD) is a promising process to produce hard and wear-resisting coating on metallic substrates. Fe–Cr–Ni–Si–Mo–W–B–Co–Al alloy rods were used as electrode to produce coatings onto a high carbon cast steel roll substrate. Different parameters were used and the coatings have an average thickness of~80 μm, which are metallurgically bonded to the substrate. The microstructures of the coating prevail in nanosized grains and amorphous structures. The primary phases of the coating contain C0.055Fe1.945,(Fe,Cr)7C3,Fe7Mo3 and Al0.99Fe0.99Ni0.99. The maximum microhardness value o
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Zhou, Xia, and Guo Hui Qu. "Fe-Based Micro- and Nanocomposite Coatings Produced by Amorphous Alloy Crystallization Based on Electrospark Deposition." Advanced Materials Research 97-101 (March 2010): 2205–8. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.2205.

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The aim of this paper is to explore the possibility of a novel surface technique for Fe-based amorphous and micro-nano composite coatings. A kind of iron based amorphous and micro/nano-crystalline alloy powder which contains Fe, Ni, Cr, W, Mo, B, Si, C etc. was first prepared by mechanical alloying method. Iron based amorphous alloy coatings were then deposited on nodular cast iron substrate by electro-spark deposition using electrode materials with the ball-milling iron based alloy and SiC mixed powders. Annealing crystallization treatment of the Fe-based amorphous alloy coatings was conducte
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Sakhnenko, M., I. Yermolenko, A. Korohodska, H. Karakurkchi, and N. Gorohivska. "FORMATION OF COMPOSITE COATINGS WITH MAGNETIC PROPERTIES IN AN ELECTROMAGNETIC FIELD." Bulletin of the National Technical University "KhPI". Series: Chemistry, Chemical Technology and Ecology 2, no. 8 (2022): 51–59. http://dx.doi.org/10.20998/2079-0821.2022.02.07.

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The article presents and analyzes the results of the study of the influence of a constant magnetic field on the electrodeposition processes of the ferrum family metals and their alloys. The studies performed indicate the effect of accelerating deposition, improving the surface morphology and hardness of the obtained coatings. Composite coatings applied under the influence of a constant magnetic field can have higher corrosion resistance, improved photocatalytic and magnetic properties than those obtained without it. It has been established that the presence of a constant magnetic field changes
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Karakurkchi, A. V., M. V. Ved’, I. Yu Yermolenko, and N. D. Sakhnenko. "Electrochemical deposition of Fe–Mo–W alloy coatings from citrate electrolyte." Surface Engineering and Applied Electrochemistry 52, no. 1 (2016): 43–49. http://dx.doi.org/10.3103/s1068375516010087.

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Каракуркчи, А.В., М.В. Ведь, И.Ю. Ермоленко та Н.Д. Сахненко. "Электрохимическое формирование покрытий сплавом Fe-Mo-W из цитратного электролита". Elektronnaya Obrabotka Materialov 52, № 1 (2016): 42–49. https://doi.org/10.5281/zenodo.495267.

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Исследованы особенности электрохимического формирования покрытий Fe-Mo-W из цитратного электролита на основе железа (III) на подложках из малоуглеродистой стали и серого чугуна. Установлено влияние концентрации солей сплавообразующих компонентов и режимов электролиза на качество, состав и свойства полученных сплавов. Показано, что сплавы, сформированные в условиях нестационарного электролиза, имеют более равномерную поверхность и характеризуются меньшим содержанием примесей. Повышенные физико-механические и антикоррозионные свойства покрытий Fe-Mo-W в сравнении с основным металлом позволяют ра
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VILJOEN, ELMARIE C., and CHRISTIAN UEBING. "STABILITY OF TWO–DIMENSIONAL SURFACE NITRIDES ON TRANSITION METAL ALLOY SURFACES." Surface Review and Letters 04, no. 04 (1997): 601–6. http://dx.doi.org/10.1142/s0218625x97000584.

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The thermal stability of the two-dimensional surface nitrides CrN, MoN and WN has been studied on transition metal alloy surfaces. The surface nitrides are obtained by means of cosegregation of the constituents on Fe–15%Cr–N(100), Fe–3.5%Mo–N(100) and Fe–9%W–N(100) single crystals. The stability of the surface nitrides decreases in the sequence Cr>Mo>W, similar to the well-known three-dimensional bulk nitrides. All compounds exhibit 1×1 LEED structures, indicating epitaxial stabilization on the corresponding substrate surface. In a narrow temperature range T≈550°C the Fe–9%W–N(100) surfa
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Li, Shuai, Fuheng Nie, Jiyuan Ding, et al. "Influence of Laser Power on CoCrFeNiMo High-Entropy Alloy Coating Microstructure and Properties." Materials 18, no. 11 (2025): 2650. https://doi.org/10.3390/ma18112650.

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This work studies the fabrication of CoCrFeNiMo high-entropy alloy (HEA) coatings via coaxial powder-fed laser cladding, addressing porosity and impurity issues in conventional methods. The HEA coatings exhibited eutectic/hypereutectic microstructures under all laser power conditions. A systematic investigation of laser power effects (1750–2500 W) reveals that 2250 W optimizes microstructure and performance, yielding a dual-phase structure with FCC matrix and dispersed σ phases (Fe-Cr/Mo-rich). The coating achieves exceptional hardness (738.3 HV0.2, 3.8× substrate), ultralow wear rate (4.55 ×
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Murugesan, Naveenkarthik, Rikito Murakami, Kotaro Yonemura, et al. "Corrosion Resistance of Ru-Mo-W-Fe Alloy in Supercritical Acid and Electrochemical Measurement in Sulfuric Acid." ECS Meeting Abstracts MA2025-01, no. 62 (2025): 2982. https://doi.org/10.1149/ma2025-01622982mtgabs.

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Introduction Supercritical geothermal power generation is a next-generation geothermal power generation using geothermal fluid that exists at 5 km depth, which is deeper than conventional geothermal fluid, and is in supercritical state. The steam production capacity of supercritical geothermal fluid is estimated to be several times higher than that of conventional geothermal fluid. Though the environment is extremely corrosive that conventional corrosion resistance materials, such as stainless steels, Ni-based alloys or Ti alloys, cannot last for long-term. For a long-term producing, corrosion
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Wang, Xinwang, Li Fan, Yurong Xu, et al. "Low-temperature corrosion behavior of laser cladding metal-based alloy coatings on EH40 high-strength steel for icebreaker." High Temperature Materials and Processes 41, no. 1 (2022): 434–48. http://dx.doi.org/10.1515/htmp-2022-0042.

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Abstract In this paper, four kinds of coatings Ni + 30% WC, Ni + 15% WC, Ni, and Co are prepared on EH40 steel by laser cladding technology. Electrochemical experiment tests at a simulating low-temperature (–40°C) environment in 0.5 mol·L−1 hydrochloric acid (HCl) solution and 3.5 wt% NaCl solution were conducted, and the polarization curve and electrochemical impedance spectroscopy (EIS) impedance spectrum were obtained. The results show that the Ni + 15% WC coating has the smallest corrosion current and 0.5 mol·L−1 HCl solution and 3.5 wt% NaCl solution have the maximum polarization resistan
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Yan, Ao, Guoxing Chen, Huiqiang Ying, et al. "High-Entropy Alloy Activating Laves-Phase Network for Multi-Component Metallic Coatings with High Hardness." Nanomaterials 14, no. 12 (2024): 1016. http://dx.doi.org/10.3390/nano14121016.

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The low hardness and poor wear resistance of laser-cladding 316L stainless steel impose significant constraints on its practical applications. In this study, a strategy for strengthening laser-cladding 316L stainless steel with WMoTaNb refractory high-entropy alloy as a reinforcement material is proposed. The results confirm that the coating primarily comprises a body-centered cubic (BCC) Fe-based solid solution, a network-distributed hexagonal Fe2X (X = W, Mo, Ta, and Nb) Laves phase, and a diffusely distributed face-centered cubic (FCC) (Ta, Nb)C phase. The Fe-based solid solution distribute
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Book chapters on the topic "Fe-Mo-W alloy coatings"

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Kublanovsky, Valeriy S., Oksana L. Bersirova, Yulia S. Yapontseva, et al. "Electrochemical synthesis of nanostructured super-alloys with valuable electrochemical, electrocatalytic and corrosion properties." In NEW FUNCTIONAL SUBSTANCES AND MATERIALS FOR CHEMICAL ENGINEERING. PH “Akademperiodyka”, 2021. http://dx.doi.org/10.15407/akademperiodyka.444.130.

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A study of the electrochemical formation of functional coatings by binary and ternary alloys M1M2, M1M3, M1M2M3 (where M1 is 3d6-8 metal of the iron subgroup: Fe, Co, Ni, and M2 is Mo, W; M3 is Re), from complex aqueous solutions and ionic melts. Such alloys are called "superalloys" due to a wide range of valuable physicochemical (corrosive, electrocatalytic) and functional properties and are designed to operate in extreme temperature and power modes with simultaneous exposure to an aggressive environment. The presence of rhenium in the alloy also simultaneously increases its strength and duct
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Conference papers on the topic "Fe-Mo-W alloy coatings"

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DeVincentis, Diane M., Stephen P. Goff, Joseph W. Slusser, Zbigniew Zurecki, and James T. Rooney. "Solving Fireside Corrosion in MSW Incinerators with Thermal Spray Coatings." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93198.

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Abstract Corrosion of carbon steel boiler tubes in municipal solid waste (MSW) combustors is a serious problem for the industry and is often controlled by applying Alloy 625 weld overlay to the tubes. While this has given good service, corrosion resistant thermal spray coatings offer significant cost savings compared to the weld overlay. Thermal spray coatings of nickel alloys including Ni-Cr-Co-Si, Ni-Cr-Fe-Al-Y, and Ni-Cr-Mo-W (N06022) were applied to an air-cooled corrosion probe and tested in a MSW boiler for 76 days. The spray coatings were applied by a relatively new inert-gas electric a
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Masamura, Katsumi, Yuko Takeuchi, Katsuomi Tamaki, Tsuguo Miyagawa, and Arata Nakamura. "Corrosion Resistance of Newly Developed inside Coated Materials in Sour Environments." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94084.

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Abstract A research program was conducted by a joint research group. New coating technologies were applied to oil country tubular goods to improve their corrosion resistance. Six types of coating facilities for 0.5 m long pipes were constructed as candidate process. Chemical vapor deposition (CVD), physical vapor deposition (PVD), plasma transferred arc hard facing (PTH), polymer coating, low pressure plasma spraying (LPPS) and laser remelting of LPPS were selected. By CVD and PVD process, TiN was mainly coated. High Ni alloy was coated by LPPS and PTH process. Tetrafluoroethylene - perfluoroa
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Farmer, J. C., J. J. Haslam, S. D. Day, et al. "Corrosion Resistance of Iron-Based Amorphous Metal Coatings." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93835.

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New amorphous-metal thermal-spray coatings have been developed recently that may provide a viable coating option for spent nuclear fuel & high-level waste repositories [Pang et al. 2002; Shinimiya et al. 2005; Ponnambalam et al. 2004; Branagan et al. 2000–2004]. Some Fe-based amorphous-metal formulations have been found to have corrosion resistance comparable to that of high-performance alloys such as Ni-based Alloy C-22 [Farmer et al. 2004–2006]. These materials rely on Cr, Mo and W for enhanced corrosion resistance, while B is added to promote glass formation and Y is added to lower the
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Bersirova, Oksana. "Electrochemical synthesis, properties and applications of rhenium alloys with iron-group metals." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-ob0391.

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The main objective of this study is to develop an efficient method for the electrochemical synthesis of multifunctional (magnetic and electrocatalytic) dense films of Re alloys with Iron-group metals. Heat-resistant alloys, often called superalloys, are based on the iron subgroup with refractory metals (Mo, W, Re) and are capable of operating under extreme temperature and power conditions in aggressive environments. A combination of unique physical and chemical properties makes these superalloys promising for use in high-technology sectors such as aviation, nuclear power engineering, electroni
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