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中文摘要：
提高金刚石薄膜的附着力和光洁度是实现CVD金刚石涂层在工模具和耐磨器件领域中广泛应用的关键因素。采用热丝CVD法在光滑WC—Co硬质合金基体表面沉积金刚石薄膜，研究了渗硼预处理新方法对光滑衬底表面抑制Co催石墨化作用和保证金刚石涂层附着力的效果。研究结果表明，采用渗硼预处理方法既能避免研磨、刻蚀和化学腐蚀等加工方法对光滑衬底表面的严重损伤，又能有效抑制Co对金刚石薄膜的不利影响，获得了满足附着力要求的光滑金刚石薄膜，对于拓宽金刚石薄膜的应用领域具有重要意义。
英文摘要：
Improving adhesion and roughness of diamond films on WC--Co substrates is the key factor in extensive applications of diamond films. A pretreatment way of boronizing on smooth cobalt --cemented tungsten carbide to improve adhesion and roughness of diamond films had been introduced. A surface layer of stable cobalt borides was formed, and this layer can effectively prevent the diffusion of the cobalt from the surface when diamond films were deposited. On the other hand, this kind of way can protect the fineness of substrate surface well. Results show that under premise of the good adhesion between substrate and diamond film, the roughness of diamond films has been improved effectively. It is of great significance for the industrialization of diamond films.
同期刊论文项目
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Simulation of Substrate Temperature Distribution in Diamond Films Growth on Cemented Carbide Inserts
Simulation of Temperature Field in the Growth of Diamond Crystals by Hot Filament CVD and Experiment
Effect of boron concentration on adhesion and cutting performance of diamond-coated cemented carbide
Influence of Surface Morphology of Diamond Films on Their Frictional Behaviors in Dry and Water Envi
Fabrication and application of nano-microcrystalline composite diamond films on the interior-hole su
Deposition and friction properties of ultra-smooth composite diamond films on Co-cemented tungsten c
Fabrication and characterisation of ultra fine-grained diamond coatings on the interior hole surface
Deposition and Characterization of Nanocrystalline Diamond Films on Co-cemented Tungsten Carbide Ins
Deposition of smooth Fine-grained diamond films with high adhesive strength on tungsten carbide inse
Deposition of diamond films on smooth surfaces of cemented carbide inserts with cobalt boride interl
Fabrication of DLC Coated Cobalt- Cemented Tungsten Carbide Micro-drills and Their Cutting Performan
Study on fabrication and cutting performance of high quality diamond coated PCB milling tools with c
Growth of Nanocrystalline Diamond Films on Co-Cemented Tungsten Carbide Substrates by Hot Filament C
Precise quantitative evaluation of the adhesive strength of diamond thin films by bulge/blister test
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