Development of protective MMC coating on TZM alloy for high temperature oxidation resistance by LPCS

Kılıçay, Koray

doi:10.1016/j.surfcoat.2020.125777

Cited by 15 publications

(11 citation statements)

References 37 publications

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“…Another study by Tianyu et al used air as a gas supply to deposit copper and Al6061 powder onto the Al5052 substrate [95]. A study by Koray also used air as a gas supply, and Ni-Zn-Al 2 O 3 powder was deposited onto a TZM (Mo-based alloy) substrate [96]. Low velocities and temperatures produced low jetting heights.…”

Section: Recent Development Of Cold Spray For Coating Applicationmentioning

confidence: 99%

“…Inconel material, specifically IN718, has been used widely in the aerospace industry and has shown impressive performances [106]. This material is suitable for the cold spray of hard materials due to its high hardness, high wear resistance, high tensile strength, and, most importantly, low porosity [96]. Furthermore, cold spray overlay restoration has also been used in a study in the automotive industry.…”

Section: Potential Cold Spray Implementation In Power Plants For Over...mentioning

confidence: 99%

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Remarkable Potential of Cold Spray in Overlay Restoration for Power Plants: Key Challenges, Recent Developments, and Future Prospects

Afandi,

Mahalingam,

Tan

et al. 2023

Coatings

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Cold spray has become a prominent deposition technology for coating, repair, and restoration in many industries, such as the aerospace, automotive, and power generation industries. It also has the potential to be used as an alternative overlay restoration for power plant components as it has minimal thermal distortion phase changes, as compared to conventional welding and thermal spray. This article aims to bridge the gap in the scientific literature by presenting a comprehensive review of cold spray in the context of power plant components. Firstly, this review examines the challenges of cold spray and subsequently elucidates effective mitigation strategies. Secondly, the review analyses the recent development of cold spray in the field of coating application. Moving forward, it investigates the integration of cold spray technology in repair applications, focusing on practical implementation and effectiveness. Finally, the review presents the overall impact of cold spray, its current outlook, and discusses future prospects. As such, the review will provide the community with a broad understanding of cold spray applications in the power plant sector.

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Section: Recent Development Of Cold Spray For Coating Applicationmentioning

confidence: 99%

Section: Potential Cold Spray Implementation In Power Plants For Over...mentioning

confidence: 99%

Remarkable Potential of Cold Spray in Overlay Restoration for Power Plants: Key Challenges, Recent Developments, and Future Prospects

Afandi,

Mahalingam,

Tan

et al. 2023

Coatings

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“…The pink dashed line represents the hardness calculated from the mixing rule. The theoretical calculation expression is given as [44] H = H Ag f Ag + H Mo f Mo (1) where H Ag and H Mo are the hardness values of pure Ag and Mo, and f Ag and f Mo are the fractions of pure Ag and Mo, respectively. From Equation (1), the measured hardness values of the pure Ag and Mo films are ∼1.1 and 10.4 GPa, respectively.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

“…Mo and its alloys are characterised by high melting temperature, low coefficient of thermal expansion and good thermal conductivity. They are widely used in heat shields, rocket nozzles, high-temperature furnaces, X-ray tubes, electrical appliances and automotive, metallurgical and other industries [1,2]. Among them, the electrical contact materials used in the electrical industry require Mo-based alloys with better mechanical properties because they are one of the important components in various electronic and electrical devices, which determine the on-off of the circuit during current transmission and conversion processes [3,4].…”

Section: Introductionmentioning

confidence: 99%

Effect of microstructural evolution on mechanical and electrical properties of Ag–Mo thin films

Baolong

Zhou

Zhang

et al. 2021

Surface Engineering

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Herein, Ag-Mo films were deposited on Si(100) substrates by magnetron co-sputtering. The phase evolution and microstructural investigation revealed that the pure Ag phase and no Ag(Mo) solid solution were formed in the Ag-rich films even though the Mo content reached 53 at.%. However, the metastable Mo(Ag) solid solution was formed on the Mo-rich side. The Young's modulus, hardness, resistivity and the relationship between these properties and the microstructural evolution of Ag-Mo films were studied. Precisely, when the Mo content was controlled at 86 at.%, the hardness reached the maximum value of 14.64 GPa, and exceeded that of the pure Mo film. Meanwhile, the resistivity appeared to be a minimum value because the film had the maximum solid solubility and better crystallinity. The study on the microstructural, mechanical and electrical properties of Ag-Mo films provided a basis for the application of the film in electrical contact coatings.

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“…Molybdenum (Mo) and molybdenum alloys have high melting point, good electrical and thermal conductivity, low coefficient of thermal expansion, excellent corrosion resistance and mechanical properties at high temperature, thus they show promising application prospect as high temperature structural materials. [1][2][3][4] However, Mo and Mo alloys have poor oxidation resistance, and they tend to be oxidized in air above 673 K, resulting in weight loss and rapid decline of physical and chemical properties. 5,6 The oxidation failure is mainly due to the formation of several volatile oxides like MoO 3 and MoO 2 .…”

mentioning

confidence: 99%

Effect of Reaction Temperature on the Molten Salt Electrodeposition of Silicide Coating on Molybdenum Substrate and its Oxidation Behavior

Zhang,

Wang,

Wang

et al. 2023

J. Electrochem. Soc.

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Silicide coatings were successfully prepared on Mo substrates using NaCl-KCl-NaF molten salt as the reaction medium and K2SiF6 as the silicon source. The electrochemical reduction mechanism of Si(IV) was studied by cyclic voltammetry and chronoamperometry technology. The effect of reaction temperature on the phase composition, microstructure, and growth kinetics of the electrodeposited coatings were investigated in detail. The long-term oxidation behaviors of Mo and MoSi2-coated Mo samples at 873 K were also compared. The results revealed that the electrodeposition of silicide coatings was closely related to the reaction temperature. Dense and coherent single-layer MoSi2 coatings could be obtained at 1023 and 1073 K, while double-layer coatings with inner MoSi2 layer and outer Si layer could be obtained at 1123 K. Under the same electrodeposition time, the overall thickness of the silicide coatings increased with the reaction temperature. Moreover, long-term oxidation tests at 873 K proved that MoSi2 coatings could effectively prevent the Mo substrate from pest oxidation. The mass gain of the MoSi2-coated Mo sample was only 0.46 wt.% after 500 h of oxidation, which could be attributed to the formation of the continuous SiO2 protective layer.

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Development of protective MMC coating on TZM alloy for high temperature oxidation resistance by LPCS

Cited by 15 publications

References 37 publications

Remarkable Potential of Cold Spray in Overlay Restoration for Power Plants: Key Challenges, Recent Developments, and Future Prospects

Remarkable Potential of Cold Spray in Overlay Restoration for Power Plants: Key Challenges, Recent Developments, and Future Prospects

Effect of microstructural evolution on mechanical and electrical properties of Ag–Mo thin films

Effect of Reaction Temperature on the Molten Salt Electrodeposition of Silicide Coating on Molybdenum Substrate and its Oxidation Behavior

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