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New Advances in Ceramic Coatings and Its Applications
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New Advances in Ceramic Coatings and Its Applications

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Ceramic Coatings and Engineering Technology".

Deadline for manuscript submissions: closed (15 July 2024) | Viewed by 31228

Special Issue Editor

Prof. Yu Bai

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Xi’an Jiaotong University, Xi'an 710049, China
Interests: ceramic coating; cemet coatings; thermal spraying

Special Issue Information

Dear Colleagues,

Ceramic coatings have been widely applied in a variety of fields, such as thermal insulation, anti-corrosion, anti-wear, self-lubrication, antimicrobial activity, electrochemical conversion, energy storage, etc. This Special Issue focuses on processing and microstructure design, mechanical and thermal properties, advanced testing and non-destructive evaluation, wear, erosion and corrosion behavior, and the functional properties and modeling of ceramic coatings. Contributed aticles are expected to include the current study of and state-of-the-art industrial applications of ceramic coatings. In particular, the topics of interest include but are not limited to:

  • Processing and microstructure design;
  • Mechanical and thermal properties;
  • Advanced testing;
  • Non-destructive evaluation;
  • Anti-wear;
  • Corrosion resistance;
  • Modeling

Prof. Yu Bai
Guest Editor

Manuscript Submission Information

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Published Papers (9 papers)

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Research

Jump to: Review

14 pages, 12421 KiB  
Article
Surface Modification of Nano-Al2O3 with Silane Coupling Agent and Its Effect on the Compressive Strength of PI/Al2O3 Composites
by Jing Cao, Yu Wang, Guanghua Liu, Qingyuan Shang, Bicheng Wang, Jian Sun, Yu Bai, Ming Liu, Fangli Yu, Guozheng Ma and Haidong Wang
Coatings 2024, 14(1), 27; https://doi.org/10.3390/coatings14010027 - 25 Dec 2023
Cited by 5 | Viewed by 3238
Abstract
In this study, a series of nano-Al2O3 reinforced polyimide (PI) composites were fabricated using the hot compression method. A silane coupling agent was used to modify the surface of nano-Al2O3 powder to enhance the PI/Al2O [...] Read more.
In this study, a series of nano-Al2O3 reinforced polyimide (PI) composites were fabricated using the hot compression method. A silane coupling agent was used to modify the surface of nano-Al2O3 powder to enhance the PI/Al2O3 interface compatibility. The effects of Al2O3 contents on the microstructures, thermal behavior and mechanical properties of PI/Al2O3 composites were investigated. The results suggested that chemical reactions occurred during in situ modification. The nano-Al2O3 was cross-linked to the PI matrix, which reduced the mobility of PI chains and improved the elastic modulus of the composites. When the Al2O3 content was 30 wt.%, the compressive strength of composites reached the maximum value of 313 MPa and increased by 26.5% than that of the PI matrix. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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17 pages, 6212 KiB  
Article
Improvement of Structures and Properties of Al2O3 Coating Prepared by Cathode Plasma Electrolytic Deposition by Incorporating SiC Nanoparticles
by Xianjia Li, Zhi Li, Rui Zhou, Bin Wang, Yu Wang, Husheng Li, Tao He, Yushan Ma, Tao Ge, Wei Fan and Yu Bai
Coatings 2022, 12(5), 580; https://doi.org/10.3390/coatings12050580 - 24 Apr 2022
Cited by 5 | Viewed by 2732
Abstract
A serious issue in the preparation of Al2O3 coatings by cathode plasma electrolytic deposition (CPED) is that the coatings have a porous structure, which is detrimental to their protective performance. Therefore, to address this problem, SiC nanoparticles are incorporated into [...] Read more.
A serious issue in the preparation of Al2O3 coatings by cathode plasma electrolytic deposition (CPED) is that the coatings have a porous structure, which is detrimental to their protective performance. Therefore, to address this problem, SiC nanoparticles are incorporated into the Al2O3 coating in this study. A series of Al2O3–SiC composite coatings are efficaciously prepared on the surface of 316L stainless steel by CPED. The microstructures, compositions and phase components of the composite coatings are characterized; the electrochemical corrosion resistance and tribological behavior are evaluated; and the mechanism of SiC nanoparticles in the coating formation process is discussed in detail. The results indicate that the Al2O3 coating prepared by CPED consists of α-Al2O3 and γ-Al2O3, and the former is the main crystalline phase. With the incorporation of SiC nanoparticles in the coating, the content of α-Al2O3 gradually decreases, almost disappearing, accompanied by an increase in γ-Al2O3 as the main crystalline phase. The incorporation of SiC nanoparticles significantly reduces the surface irregularity and roughness of Al2O3 coatings and remarkably improves the corrosion resistance and wear resistance of the Al2O3 coatings. The improvement in corrosion resistance and anti-wear properties can be explained by the fact that the SiC nanoparticles effectively weaken electrical breakdown and increase the compactness of the coatings. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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8 pages, 3133 KiB  
Communication
Mechanical Properties Durability of Sc2O3-Y2O3 Co-Stabilized ZrO2 Thermal Barrier Materials for High Temperature Application
by Wei Fan, Yiqi Wang, Yanfen Liu, Yu Bai, Yu Wang and Qi Liu
Coatings 2022, 12(2), 155; https://doi.org/10.3390/coatings12020155 - 27 Jan 2022
Cited by 7 | Viewed by 2680
Abstract
The poor phase stability of conventional 6–8 wt.% yttria-partially stabilized zirconia (YSZ) results in the formation of detrimental cracks in thermal barrier coatings (TBCs) as well as the decrease of fracture toughness, limiting its long-term application above 1200 °C. Here, we try to [...] Read more.
The poor phase stability of conventional 6–8 wt.% yttria-partially stabilized zirconia (YSZ) results in the formation of detrimental cracks in thermal barrier coatings (TBCs) as well as the decrease of fracture toughness, limiting its long-term application above 1200 °C. Here, we try to prove that a higher t′-phase stability is the prerequisite for the mechanical properties durability of ZrO2-based TBC materials. Compared with YSZ ceramic, 7.0 mol.% Sc2O3 and 0.5 mol.% Y2O3 co-stabilized ZrO2 (ScYSZ) shows a superior t′ phase stability at 1300 °C. In addition, the fracture toughness of ScYSZ is nearly stable after being annealed at 1300 °C for 0–40 h, while the value of YSZ gradually declines during the aging process. The stable fracture toughness of ScYSZ is closely related to its prominent t′ phase stability. The elastic modulus of ScYSZ is nearly unchanged and lower than that of YSZ. The excellent stability of the phase structure and mechanical properties makes ScYSZ a great potential material for next generation high-temperature TBCs. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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19 pages, 4351 KiB  
Article
Comparative Studies of Piston Crown Coating with YSZ and Al2O3·SiO2 on Engine out Responses Using Conventional Diesel and Palm Oil Biodiesel
by Navin Ramasamy, Mohammad Abul Kalam, Mahendra Varman and Yew Heng Teoh
Coatings 2021, 11(8), 885; https://doi.org/10.3390/coatings11080885 - 23 Jul 2021
Cited by 6 | Viewed by 4137
Abstract
In this study, the effect of a thermal barrier coating with yttria-stabilized zirconia (YSZ) and aluminum silicate (Al2O3·SiO2) alongside an NiCrAl bond coat on the engine performance and emission analysis was evaluated by using conventional diesel and [...] Read more.
In this study, the effect of a thermal barrier coating with yttria-stabilized zirconia (YSZ) and aluminum silicate (Al2O3·SiO2) alongside an NiCrAl bond coat on the engine performance and emission analysis was evaluated by using conventional diesel and pure palm oil biodiesel. These materials were coated on the piston alloy via plasma spray coating. The findings demonstrated that YSZ coating presented better engine performances, in terms of brake thermal efficiency (BTE) and brake-specific fuel consumption (BSFC) for both fuels. The piston with YSZ coating materials achieved the highest BTE (15.94% for diesel, 14.55% for biodiesel) and lowest BSFC (498.96 g/kWh for diesel, 619.81 g/kWh for biodiesel). However, Al2O3·SiO2 coatings indicated better emission with lowest emissions of NO, CO, and CO2 for both diesel and biodiesel. For the uncoated piston, the results indicated that the engine clocked the highest torque and power, especially on diesel fuel due to the high viscosity and low caloric value, and it recorded the lowest hydrocarbon emission due to the complete combustion of fuel in the engine. Hence, it was concluded that the YSZ coating could lead to better engine performance, while Al2O3·SiO2 showed promising results in terms of greenhouse gas emission. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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14 pages, 5077 KiB  
Article
Effect of Thermal Barrier Coating on the Performance and Emissions of Diesel Engine Operated with Conventional Diesel and Palm Oil Biodiesel
by Navin Ramasamy, Mohammad Abul Kalam, Mahendra Varman and Yew Heng Teoh
Coatings 2021, 11(6), 692; https://doi.org/10.3390/coatings11060692 - 9 Jun 2021
Cited by 17 | Viewed by 3117
Abstract
In this study, the performance and emission of a thermal barrier coating (TBC) engine which applied palm oil biodiesel and diesel as a fuel were evaluated. TBC was prepared by using a series of mixture consisting different blend ratio of yttria stabilized zirconia [...] Read more.
In this study, the performance and emission of a thermal barrier coating (TBC) engine which applied palm oil biodiesel and diesel as a fuel were evaluated. TBC was prepared by using a series of mixture consisting different blend ratio of yttria stabilized zirconia (Y2O3·ZrO2) and aluminum oxide-silicon oxide (Al2O3·SiO2) via plasma spray coating technique. The experimental results showed that mixture of TBC with 60% Y2O3·ZrO2 + 40% Al2O3·SiO2 had an excellent nitrogen oxide (NO), carbon monoxide (CO), carbon dioxide (CO2), and unburned hydrocarbon (HC) reductions compared to other blend-coated pistons. The finding also indicated that coating mixture 50% Y2O3·ZrO2 + 50% Al2O3·SiO2 had the highest brake thermal efficiency (BTE) and lowest of brake specific fuel consumption (BSFC) compared to all mixture coating. Reductions of HC and CO emissions were also recorded for 60% Y2O3·ZrO2 + 40% Al2O3·SiO2 and 50% Y2O3·ZrO2 + 50% Al2O3·SiO2 coatings. These encouraging findings had further proven the significance of TBC in enhancing the engine performance and emission reductions operated with different types of fuel. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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12 pages, 3391 KiB  
Article
Highly Flexible Wind Turbine Blades Utilizing Corrugated Surface Hinges
by Mogeeb Elrahman Elsheikh
Coatings 2021, 11(6), 635; https://doi.org/10.3390/coatings11060635 - 26 May 2021
Cited by 3 | Viewed by 3519
Abstract
An anthropomorphic wind turbine blade was the suggested design that had a flexure hinge at root, middle, and tip regions. The inter-distances of the flexure hinges follow the Fibonacci sequence and resembled the natural finger through binding. Therefore, the present study designs various [...] Read more.
An anthropomorphic wind turbine blade was the suggested design that had a flexure hinge at root, middle, and tip regions. The inter-distances of the flexure hinges follow the Fibonacci sequence and resembled the natural finger through binding. Therefore, the present study designs various corrugated flexure hinges. NACA0012 is chosen as the basic airfoil for designing the corrugated flexure hinges with different geometrical profiles and leading edges. The designs are based on morphing technology and the main geometrical parameters of the corrugation, the pitch distance along the span and the height, are inspired by tubercles of the whale flippers. The study uses the finite element method to define the significant strength characteristics of each design flap-wise, edge-wise, torsional stiffness, and buckling resistance in order to assign the best fit corrugation profile for each region of the blade. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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15 pages, 4721 KiB  
Article
Bonding and Thermal-Mechanical Property of Gradient NiCoCrAlY/YSZ Thermal Barrier Coatings with Millimeter Level Thickness
by Yu Wang, Qi Liu, Quansheng Zheng, Tianqing Li, Nanjing Chong and Yu Bai
Coatings 2021, 11(5), 600; https://doi.org/10.3390/coatings11050600 - 19 May 2021
Cited by 10 | Viewed by 3179
Abstract
The thermal insulation properties of thermal barrier coatings (TBCs) can be significantly improved with increasing the coating thickness. However, due to the weak bonding of high-thickness TBCs, the low reliability and short lifetime greatly limits their application under some severe operating conditions. In [...] Read more.
The thermal insulation properties of thermal barrier coatings (TBCs) can be significantly improved with increasing the coating thickness. However, due to the weak bonding of high-thickness TBCs, the low reliability and short lifetime greatly limits their application under some severe operating conditions. In this study, a novel and high-efficiency synchronous dual powder feeding method is used to deposit a series of gradient NiCoCrAlY/YSZ coatings with millimeter level thickness. The tensile bonding strengths and residual stress state of coatings are evaluated in order to explore the effect of thickness on the bonding strength of coatings. The results suggested that, due to some micro-convex structure at the “GC/TC” interface and inside “GC” layer, the bonding strength of 1000-μm-thickness gradient NiCoCrAlY/YSZ TBCs with the 4:6 and 2:8 hybrid ratios is over 44 MPa compared to the common TBCs. The fracture position gradually shifts from NiCoCrAlY bond coat to NiCoCrAlY/YSZ transition zone and finally to the YSZ top coat owing to the different position of residual stress concentrations. After thermal cycling tests, the 1000-μm-thickness gradient coating exhibits a higher thermal cycling life. Some coarse cracks initiate and propagate at the bottom region of TBCs, which is mainly due to thermal expansion mismatch stress that finally results in the failure of the gradient coating between the “BC” layer and the substrate. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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12 pages, 7057 KiB  
Article
Characteristics and Crystal Structure of Calcareous Deposit Films Formed by Electrodeposition Process in Artificial and Natural Seawater
by Jun-Mu Park, Myeong-Hoon Lee and Seung-Hyo Lee
Coatings 2021, 11(3), 359; https://doi.org/10.3390/coatings11030359 - 21 Mar 2021
Cited by 9 | Viewed by 3669
Abstract
In this study, we tried to form the calcareous deposit films by the electrodeposition process. The uniform and compact calcareous deposit films were formed by electrodeposition process and their crystal structure and characteristics were analyzed and evaluated using various surface analytical techniques. The [...] Read more.
In this study, we tried to form the calcareous deposit films by the electrodeposition process. The uniform and compact calcareous deposit films were formed by electrodeposition process and their crystal structure and characteristics were analyzed and evaluated using various surface analytical techniques. The mechanism of formation for the calcareous deposit films could be confirmed and the role of magnesium was verified by experiments in artificial and natural seawater solutions. The highest amount of the calcareous deposit film was obtained at 5 A/m2 while current densities between 1–3 A/m2 facilitated the formation of the most uniform and dense layers. In addition, the adhesion characteristics were found to be the best at 3 A/m2. The excellent characteristics of the calcareous deposit films were obtained when the dense film of brucite-Mg(OH)2 and metastable aragonite-CaCO3 was formed in the appropriate ratio. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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Review

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20 pages, 1581 KiB  
Review
The Effects of CuO and SiO2 on Aluminum AA6061 Hybrid Nanocomposite as Reinforcements: A Concise Review
by Muntadher Sabah Msebawi, Zulkiflle Leman, Shazarel Shamsudin, Suraya Mohd Tahir, Che Nor Aiza Jaafar, Azmah Hanim Mohamed Ariff, Nur Ismarrubie Zahari and Mohammed H. Rady
Coatings 2021, 11(8), 972; https://doi.org/10.3390/coatings11080972 - 15 Aug 2021
Cited by 10 | Viewed by 3135
Abstract
Hybrid composites are obtained by embedding multiple micro and nano reinforcements into the matrix materials. These hybrid composites are helpful to obtain the useful properties of matrix and reinforcement materials. Aluminum matrix is one the most common matrix materials due to its excellent [...] Read more.
Hybrid composites are obtained by embedding multiple micro and nano reinforcements into the matrix materials. These hybrid composites are helpful to obtain the useful properties of matrix and reinforcement materials. Aluminum matrix is one the most common matrix materials due to its excellent thermal and electrical properties. This review covers various aspects of nanoparticle-reinforced Al hybrid composites. Solid-state recycling of Al only consumes around 5% of the energy utilized in the conventional extraction and recycling methods. This review revolves around the induction of silica and copper oxide nanoparticles into the solid-state recycled Al matrix material to form the hybrid composite. These nanoparticles enhance stiffness, toughness, and high temperature stability for Al hybrid composites. A detailed analysis was carried out for AA6061-grade Al matrix materials along with the silica and copper oxide nanoparticles. The present work focused on the effects of nano silica and nano copper oxide particle reinforcements on Al-based composite manufactured via hot extrusion process. The composite fabrication through solid-state recycling is discussed in detail. A detailed analysis for the effects of volume fraction and wt.% of CuO and SiO2 reinforcement particles was carried out by various characterization techniques. A detailed comparison in terms of mechanical performance of Al-based composites with the addition of nano silica and nano copper oxide particles is presented here to investigate the efficiency and performance of these particles. Full article
(This article belongs to the Special Issue New Advances in Ceramic Coatings and Its Applications)
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