Structure and properties of detonation gun sprayed coatings from the synthesized FeAlSi/Al2O3 powder

Talako, T. L.; Yakovleva, M. S.; Astakhov, E. A.; Лецко, А. И.

doi:10.1016/j.surfcoat.2018.08.063

Cited by 10 publications

(6 citation statements)

References 50 publications

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“…In general, thermal spraying technologies require an equipment that can produce flame or plasma arc with high‐speed gas flow. In line with the energy sources used, common thermal spraying technologies can be primarily categorized into flame spraying, plasma spraying, high velocity oxygen fuel spraying, and other spraying technologies . As the flame spraying and high‐velocity oxygen fuel spraying use the combustion of fuel as heat resources, the highest temperature of the flame in these two technologies is about 1700–2700 °C .…”

Section: Conventional Technologies For Surface Modificationmentioning

confidence: 99%

Surface Modification of Titanium and Titanium Alloys: Technologies, Developments, and Future Interests

2020

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Thanks to a considerable number of fascinating properties, titanium (Ti) and Ti alloys play important roles in a variety of industrial sectors. However, Ti and Ti alloys could not satisfy all industrial requirements; the degradation of Ti and Ti alloys always commences on their surfaces in service, which declines the performances of Ti workpieces. Therefore, with aim to further improve their mechanical, corrosion and biological properties, surface modification is often required for Ti and Ti alloys. This article reviews the technologies and recent developments of surface-modification methods with respect to Ti and Ti alloys, including mechanical, physical, chemical, and biochemical technologies. Conventional methods have limited improvement in the properties and/or restriction on the geometry of workpieces. Therefore, many advanced surfacemodification technologies have emerged in recent decades. New methods make Ti and Ti alloys have better performance and extended applications. With requirement of high surface properties in future. Understanding the mechanism in various surface-modification methods, combining the advantages of current technologies and developing new coating materials with high performance are required urgently. As such, incorporation of different surface-modification technologies with high-performance modified layers may be the mainstream of surface modifications for Ti and Ti alloys. . His current research interests focus on the metal additive manufacturing (e.g., selective laser melting, electron beam melting), titanium alloys and composites, and processing-microstructureproperties in high-performance materials.

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Section: Conventional Technologies For Surface Modificationmentioning

confidence: 99%

Surface Modification of Titanium and Titanium Alloys: Technologies, Developments, and Future Interests

2020

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“…The method has been developed over fifty years of the twentieth century as a method of layers deposition. At present, this method is often applied to cladding by the use of different powders [31][32][33][34][35]. The coatings were deposited onto aluminum substrates.…”

Section: Preparation Of Samplesmentioning

confidence: 99%

Study on Strength and Stiffness of WC-Co-NiCr Graded Samples

Czechowski

2019

Materials

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This work deals with the investigation of the strength and the stiffness of samples built of step-variable functionally graded material (FGM). The considered FGM samples consist of two main components: WC and NiCr with some content of Co as a conjunction of structure. The samples were fabricated on the basis of the detonation gun layer deposition method which is regarded as a novelty in the case of FGM production. The analyzed samples possess a finite number of layers with different varying fractions of each constituent across the wall. The basic tests of bending were conducted to assess the influence of used components in adequate proportions on the stiffness and the total strength in bending. In addition, to validate the numerical approach, simulations of samples under similar loads with truly reflected material distributions were carried out. The material properties of components were determined due to micro-nano-hardness by instrumental indentation techniques. The numerical calculations were performed with the use of the material characteristics for each material and with a consideration of large deflections. Furthermore, by means of an electron microscope, the composition of materials and distribution of chemical elements across the thickness of samples were examined. This paper reveals the experimental results of FGM samples manufactured by detonation gun layer deposition which allows the creation of layer by layer moderately thin-walled structures. It was shown that the indentation method of a determination of Young's modulus gave higher values in comparison to values attained in the bending test. Moreover, it was stated that a modelling of FGM still requires the study of each layer separately to clearly predict the strength of the whole FGM structure.

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“…[8,9]. The formation of oxide phases in the coatings not present in the feedstock powder was observed under certain conditions of detonation spraying [10][11][12][13][14]. Oliker et al reported the formation of titanium nitride TiN during detonation spraying of mechanically alloyed Ti-Al powder mixtures [10].…”

Section: Introductionmentioning

confidence: 99%

Computer-Controlled Detonation Spraying: Flexible Control of the Coating Chemistry and Microstructure

Ulianitsky

Dudina

Штерцер

et al. 2019

Metals

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This article is a focused review aimed to describe the potential of the computer-controlled detonation spraying (CCDS) for producing and designing coatings with variable chemical and phase compositions and microstructure and promising properties. The development of the detonation spraying method is briefly analyzed from a historical perspective and the capabilities of the state-of-the art facilities are presented. A key advantage of the CCDS is the possibility of using precisely measured quantities of the explosive gaseous mixtures for each shot of the detonation gun and different oxygen to fuel ratios, which can create spraying environments of different chemical properties—from severely oxidizing to highly reducing. The significance of careful adjustment of the spraying parameters is shown using material systems that are chemically sensitive to the composition of the spraying environment and temperature. Research performed by the authors on CCDS of different materials—metals, ceramics, intermetallics and metal-ceramic composites is reviewed. Novel applications of detonation spraying using the CCDS technology are described.

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Structure and properties of detonation gun sprayed coatings from the synthesized FeAlSi/Al2O3 powder

Cited by 10 publications

References 50 publications

Surface Modification of Titanium and Titanium Alloys: Technologies, Developments, and Future Interests

Surface Modification of Titanium and Titanium Alloys: Technologies, Developments, and Future Interests

Study on Strength and Stiffness of WC-Co-NiCr Graded Samples

Computer-Controlled Detonation Spraying: Flexible Control of the Coating Chemistry and Microstructure

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