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Article
Understanding the relationship between microstructure and mechanical behavior of plasma-sprayed amorphous Al2O3–YAG ceramic coating based on depth-sensing indentation measurements
Based on depth-sensing indentation measurements, the relationship between microstructure and mechanical behavior of plasma-sprayed amorphous Al2O3–YAG ceramic coating was investigated. The Al2O3 and Al2O3–Y2O3 co...
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Article
Microstructure and High PV Wear Behavior of Novel Amorphous Al2O3-YAG Ceramic Coating Fabricated by Atmospheric Plasma Spraying
The reliability and lifetime of mechanical systems often depend on their capacity to resist to friction and wear under high PV values (P contact pressure; V friction velocity). This study deals with plasma-spr...
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Article
Microstructure and Thermomechanical Properties of Atmospheric Plasma-Sprayed Yb2O3 Coating
In this study, a Yb2O3 coating was fabricated by the atmospheric plasma spray technique. The phase composition, microstructure, and thermal stability of the coating were examined. The thermal conductivity and the...
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Article
Microstructure Evolution of Plasma-Sprayed MoSi2 Coating at RT-1200 °C in Air
In this work, the phase composition and microstructure evolution of vacuum plasma-sprayed MoSi2 coating between room temperature and 1200 °C in air was evaluated and characterized. The results showed that hexagon...
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Article
Phase and Microstructure Evolution and Toughening Mechanism of a Hierarchical Architectured Al2O3–Y2O3 Coating under High Temperature
In recent years, numerous techniques have been developed to mimic nacre-like hierarchical architectures in order to improve the damage tolerance of materials. We present herein a simple strategy to fabricate s...
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Article
Microstructure and Thermal Properties of Atmospheric Plasma-Sprayed Yb2Si2O7 Coating
In the present work, Yb2Si2O7 powder was synthesized by solid-state reaction using Yb2O3 and SiO2 powders as starting materials. Atmospheric plasma spray technique was applied to fabricate Yb2Si2O7 coating. The p...
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Article
Comparison of ZrB2-MoSi2 Composite Coatings Fabricated by Atmospheric and Vacuum Plasma Spray Processes
In this work, ZrB2-20 vol.% MoSi2 (denoted as ZM) composite coatings were fabricated by atmospheric plasma spray (APS) and vacuum plasma spray (VPS) techniques, respectively. Phase composition and microstructure ...
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Article
In situ Formed α-Al2O3 Nanocrystals Repaired the Preexisting Microcracks in Plasma-Sprayed Al2O3 Coating via Stress-Induced Phase Transformation
In the present study, the phase composition and generation mechanism of the nanocrystals located in the microcracks of plasma-sprayed Al2O3 coating were reevaluated. The Al2O3 coatings were investigated using tra...
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Article
Oxidation and Ablation Resistance of Low Pressure Plasma-Sprayed ZrB2-Si Composite Coating
In the present work, ZrB2-based coating containing Si additive was prepared by low pressure plasma spray process. The chemical composition and microstructure of the ZrB2-Si coating were characterized by XRD, EDS ...
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Article
Sliding Wear Performance of Plasma-Sprayed Al2O3-Cr2O3 Composite Coatings Against Graphite under Severe Conditions
Al2O3, Cr2O3, and Al2O3-Cr2O3 composite coatings were produced by plasma spraying. Their tribological properties were evaluated at high load conditions. The average friction coefficients, wear rates, and worn sur...
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Article
Microstructure Characteristics and Oxidation Behavior of Molybdenum Disilicide Coatings Prepared by Vacuum Plasma Spraying
In this study, molybdenum disilicide (MoSi2) coatings were fabricated by vacuum plasma spraying technology. Their morphology, composition, and microstructure characteristics were intensively investigated. The oxi...
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Article
Oxidation Resistance of Vacuum Plasma Sprayed CoNiCrAlY Coatings Modified by Filtered Cathodic Vacuum Arc Deposition Aluminizing
The vacuum plasma sprayed CoNiCrAlY coatings are modified by filtered cathodic vacuum arc deposition aluminizing. The microstructure and oxidation resistance of the coatings are investigated. The parabolic law...
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Article
Influence of hierarchical hybrid micro/nano-structured surface on biological performance of titanium coating
In this article, hierarchical hybrid micro/nano-structured titanium surface was obtained by alkali treating the vacuum plasma sprayed titanium coating following hot water immersing for 24 h. The influences of ...
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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
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
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
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
Anti-bacterial and cytotoxic properties of plasma sprayed silver-containing HA coatings
Silver-containing hydroxyapatite (HA) coatings have been prepared on titanium substrate by vacuum plasma spraying (VPS) method and anti-bacterial properties of the coatings were examined. Three types of bacter...
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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...
