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Chen Y, Wang Q. Microstructural Design and Processing Control of Advanced Ceramics. MATERIALS (BASEL, SWITZERLAND) 2023; 16:905. [PMID: 36769912 PMCID: PMC9918229 DOI: 10.3390/ma16030905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Advanced ceramics are referred to in various parts of the world as technical ceramics, high-tech ceramics, and high-performance ceramics [...].
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Affiliation(s)
- Yu Chen
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Qingyuan Wang
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
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Fan K, Jiang W, Luzin V, Gong T, Feng W, Ruiz-Hervias J, Yao P. Influence of WC Particle Size on the Mechanical Properties and Residual Stress of HVOF Thermally Sprayed WC-10Co-4Cr Coatings. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15165537. [PMID: 36013673 PMCID: PMC9414634 DOI: 10.3390/ma15165537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/05/2022] [Accepted: 08/10/2022] [Indexed: 06/02/2023]
Abstract
Cermet coatings deposited using high-velocity oxy-fuel (HVOF) are widely used due to their excellent wear and corrosion resistance. The new agglomeration-rapid sintering method is an excellent candidate for the preparation of WC-Co-Cr feedstock powders. In this study, four different WC-10Co-4Cr feedstock powders containing WC particles of different sizes were prepared by the new agglomeration-rapid sintering method and deposited on steel substrates using the HVOF technique. The microstructures and mechanical properties of the coatings were investigated using scanning electron microscopy, X-ray diffraction, nanoindentation, and Vickers indentation. The through-thickness residual stress profiles of the coatings and substrate materials were determined using neutron diffraction. We found that the microstructures and mechanical properties of the coatings were strongly dependent on the WC particle size. Decarburization and anisotropic mechanical behaviors were exhibited in the coatings, especially in the nanostructured coating. The coatings containing nano- and medium-sized WC particles were dense and uniform, with a high Young's modulus and hardness and the highest fracture toughness among the four coatings. As the WC particle size increased, the compressive stress in the coating increased considerably. Knowledge of these relationships enables the optimization of feedstock powder design to achieve superior mechanical performance of coatings in the future.
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Affiliation(s)
- Kunyang Fan
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
- Sichuan Province Engineering Technology Research Center of Powder Metallurgy, Chengdu University, Chengdu 610106, China
| | - Wenhuang Jiang
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
- Sichuan Province Engineering Technology Research Center of Powder Metallurgy, Chengdu University, Chengdu 610106, China
| | - Vladimir Luzin
- Australian Nuclear Science and Technology Organisation, Lucas Height, Sydney, NSW 2234, Australia
- School of Engineering, The University of Newcastle, Callaghan, NSW 2304, Australia
| | - Taimin Gong
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China
| | - Wei Feng
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
- Sichuan Province Engineering Technology Research Center of Powder Metallurgy, Chengdu University, Chengdu 610106, China
| | - Jesus Ruiz-Hervias
- Materials Science Department, Universidad Politécnica de Madrid, Escuela Tecnica Superior de Ingenieros de Caminos, Canales y Puertos, C/Profesor Aranguren s/n, 28040 Madrid, Spain
| | - Pingping Yao
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China
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