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Rafael Velázquez, Victor F. Neto, Kishore Uppireddi, Brad R. Weiner and Gerardo Morell
The hardness, heat conductivity and low friction coefficient of microcrystalline diamond make it a suitable candidate for tribological applications. However, its roughness and high deposition temperature pose significant obstacles to these applications. ...
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Daidong Guo, Ningning Cai, Guoping Wu, Fangmin Xie, Shouhong Tan, Nan Jiang and He Li
Polycrystalline diamond (PCD)-coated mechanical seal rings were prepared by hot filament chemical vapor deposition (HFCVD) on graphite-loaded silicon carbide (GSiC) substrates. From the initial deposition process, the diamond first nucleated and then gre...
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Tao Zhang and Ye Zou
Conventional diamond powders (<10 µm) are generally produced from crushing large-sized diamonds synthesized by high-pressure and high-temperature (HPHT) technique, whereas they have many morphological imperfections. In the present work, these powders ...
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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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Mohammadmehdi Shabani, Joaquim Sacramento, Filipe J. Oliveira and Rui F. Silva
Ceramic cutting inserts coated with ten-fold alternating micro- and nanocrystalline diamond (MCD/NCD) layers grown by hot filament chemical vapor deposition (CVD) were tested in the machining of an Al based metallic matrix composite (MMC) containing 15 v...
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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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