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Xinkun Suo, Shuo Yin, Hua Li and Rocco Lupoi
Cold sprayed WC-Co metal matrix composite coatings have shown great potential in wear-resistance applications. This work aims to use experimental and numerical methods to clarify the deposition and particle?substrate bonding behavior of a single porous W...
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Xiang Ding, Du Ke, Chengqing Yuan, Zhangxiong Ding and Xudong Cheng
Conventional, multimodal and nanostructured WC-12Co coatings with different WC sizes and distributions were prepared by high velocity oxy-fuel spray (HVOF). The micrographs and structures of the coatings were analyzed by scanning electron microscope (SEM...
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Raul Simões, Bruno Martins, José Santos and Victor Neto
A mechanical seal promotes the connection between systems or mechanisms, preventing the escape of fluids to the exterior. Nonetheless, due to extreme working conditions, premature failure can occur. Diamond, due to its excellent properties, is heralded a...
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Jianguo Zhang, Xia Ji, Jinsong Bao and Xiaohu Zheng
Silicon-doped (Si-doped) diamond films were deposited on a Co-cemented tungsten carbide (WC-Co) substrate using the hot filament chemical vapor deposition (HFCVD) method with a mixture of acetone, tetraethoxysilane (TEOS), and hydrogen as the recant sour...
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Wan-Jui Shen, Ming-Hung Tsai and Jien-Wei Yeh
(Al0.34Cr0.22Nb0.11Si0.11Ti0.22)50N50 high-entropy nitride coatings prepared by reactive magnetron sputtering have been proved to have high hardness and superior oxidation resistance. Their thermal stability, adhesion strength, and cutting performance we...
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Kenji Kaneko
This paper reports on an experimental and analytical investigation conducted into efficacy of the scraping shear-test method in estimating the shearing adhesive strength of a thermally sprayed coating. It was found that the critical average shear stress,...
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