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Article
Synthesis of diamond crystals and films using an oxygen-acetylene flame under atmosheric pressure
Diamond growth with rates up to 100 to 140 μm/hr was achieved using an oxygen-acetylene combustion spraying technique in an atmospheric environment. Investigations on the processing indicated that the gas flow...
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Article
Mechanical and tribological properties of plasma-sprayed Cr3C2-NiCr, WC-Co, and Cr2O3 coatings
Mechanical properties such as Young’s moduli and fracture toughness of plasma-sprayed Cr3C2-NiCr, WC-Co and Cr2O3 coatings were measured. The tribological properties of the three kinds of coatings were investigat...
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Article
Effects of power level on characteristics of vacuum plasma sprayed hydroxyapatite coating
In this study, hydroxyapatite coatings were obtained with a vacuum plasma spray system at different power levels that were achieved by altering the plasma current and voltage. The effects of spray power level ...
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Article
Vacuum-plasma sprayed nanostructured titanium oxide films
Nanostructured titanium oxide films were fabricated by vacuum-plasma spraying. The microstructure of the films was characterized with SEM, TEM, and XRD. The chemical state of the titanium oxide of the films wa...
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Article
Characterization of plasma-sprayed hydroxyapatite/TiO2 composite coatings
To enhance the bonding between hydroxyapatite (HA) coating and titanium alloy substrate, HA/TiO2 composite coatings have been fabricatedvia plasma spraying. Bonding strength evaluation, simulated body fluid tests...
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Article
Study on plasma sprayed boron carbide coating
The microstructure, phase composition, and mechanical properties of boron carbide coatings formed by atmospheric plasma spraying (APS) are studied in the present work. The boron carbide coating with high micro...
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Article
Thermal properties and microstructure of a plasma sprayed wollastonite coating
Wollastonite coatings were deposited using an atmospheric plasma spraying technique. The microstructure and phase compositions of the coating before and after heat treatment were investigated using scanning el...
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Article
Transmission electron microscopy observation of microstructure of plasma-sprayed nanostructured zirconia coating
Nanostructured zirconia coatings deposited by plasma spraying technique were observed using transmission electron microscopy (TEM). It was found that the as-sprayed nanostructured zirconia coating had bimodal ...
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Article
Wear characteristics of plasma-sprayed nanostructured yttria partially stabilized zirconia coatings
Reconstituted nanostructured and conventional yttria partially stabilized zirconia coatings were deposited by atmospheric plasma spray. The tribologic properties of the coatings against 100C6 steel were evalua...
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Article
Durability of Titanium/Dicalcium Silicate Composite Coatings in Simulated Body Fluid
Titanium/dicalcium silicate composite coatings with different ratios (weight ratios as Ca2SiO4: Ti = 3:7, 5:5, 7:3) were prepared by plasma spraying. Effects of titanium addition on coating properties, such as bo...
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Article
Influence of a liquid structural change on the solidification of the alloy CuSn30
The effect of a liquid structural change on the solidification of the alloy CuSn30 is discussed. The temperature dependence of the electrical resistivity (ρ-T) of a CuSn30 (wt.%) melt was measured, and an abno...
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Article
Microstructure and Wear Performance of Arc Sprayed Fe-FeB-WC Coatings
Two Fe-FeB-WC coatings were deposited on the Q235 steel substrate by arc spraying. The microstructure and the abrasive wear performance of the coatings were characterized by x-ray diffraction (XRD) and scannin...
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Article
Microstructure of Plasma Sprayed La2O3-Modified YSZ Coatings
Yttria-stabilized zirconia (YSZ) has received great attention as a thermal barrier coating (TBC) material for its excellent thermal and mechanical properties. However, the grain growth of YSZ, particularly und...
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Article
Open AccessEvaluating Bending Strength of Plasma Sprayed Al2O3 Coatings
The bending strength of plasma sprayed Al2O3 coatings was evaluated using three-point bending tests. The measured strength data sets were statistically analyzed by employing Weibull distribution. It was found tha...
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Article
Antibacterial Property and Biocompatibility of Plasma Sprayed Hydroxyapatite/Silver Composite Coatings
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Article
Microstructure and Properties Characterization of Silicon Coatings Prepared by Vacuum Plasma Spraying Technology
Silicon coatings were fabricated by vacuum plasma spraying technology. The morphology, composition, and microstructure of the coatings were investigated by FESEM, XRD, WDX, and TEM. The physical, mechanical, a...
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Article
Preparation and Characterization of CaO-ZrO2-SiO2 Coating for Potential Application in Biomedicine
In this paper, chemically synthesized CaO-ZrO2-SiO2 (CZS) powder was plasma sprayed onto a Ti-6Al-4V alloy substrate for its potential applications in biomedicine. Surface morphology and phase composition were an...
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Article
Structure and Tribological Performance of Nanostructured ZrO2-3 mol% Y2O3 Coatings Deposited by Air Plasma Spraying
In this study, nanostructured ZrO2-3 mol% Y2O3 coatings were deposited by air plasma spray using reconstituted feedstock. The coating structures were characterized by x-ray diffractometer, micro-Raman spectromete...
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Article
Effect of Thermal Aging on Microstructure and Mechanical Properties of Plasma-Sprayed Samarium Zirconate Coatings
The rare-earth zirconates with the general formula of Ln2Zr2O7 (Ln = rare-earth elements) having considerable low thermal conductivity and exhibiting good phase stability at high temperature have attracted partic...
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Article
Relationship Between the Microstructure and Thermal Conductivity of Plasma-Sprayed ZrO2 Coatings
Plasma-sprayed yttria-stabilized zirconia coatings have a complex microstructure consisting of a variety of pores and cracks. These microstructure features which are determined by the spray process are known t...