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   hot filament chemical 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:0.427秒
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hot filament chemical
相关语句
  热丝cvd
    Three sets of Co-eemented tungsten carbide (94 wt.%WC-6wt.%Co) blades with different average grain size (0.5, 1.5 and 3 μm) were used as substrates placed in the electron aided hot filament chemical vapor deposition (EACVD) reactor to fabricate diamond thin films.
    采用电子增强热丝CVD法,在三种不同WC晶粒度的硬质合金衬底表面(牌号为YG6,晶粒度分别为0.5,1.5和3μm)上涂覆一层金刚石薄膜。
    The research on diamond films were made in self-designed hot filament chemical vapor deposition of high-power (10 kilowatts) and low-power (1 kilowatt) respectively.
    本研究工作在自行设计的功率分别为1kW和10kW级的两个热丝CVD系统中进行。
短句来源
    Diamond films have been synthesized on WC 6%C O cemented carbide inserts by hot filament chemical vapor deposition.
    以甲烷和氢气为气源,用热丝CVD法,在WC-6%Co的硬质合金基体上沉积金刚石薄膜。
短句来源
    By means of adjustment of carbon flux, nucleation of diamond films on carbide substrate YG8 was realized in 30 min by hot filament chemical vapor deposition, the nucleation period was shortened more than 10 times. The deposited samples were analysised by SEM and Raman spectra, and nucleation process of diamond films was also investigated.
    利用调节基底表面碳流量的方法促进了热丝CVD中硬质合金YG8上金刚石薄膜的成核,使成核期大为缩短,根据扫描电镜和拉曼光谱对沉积结果的分析,研究了YG8上金刚石薄膜成核的机理。
短句来源
    The diamond thin film is deposited on WC- Co cemented carbide substrate using the acetone as the carbon source by the hot filament chemical vapor deposition(HFCVD). The influence of the carbon source concentration on mechanical properties of diamond-coated thin film tools have been investigated. The results show that increasing the carbon source concentration greatly affects the surface roughness, morphology, chemical quality, adhesion strength, and the cutting performances of the diamond-coated thin film tool.
    用热丝CVD法,以丙酮为碳源,在WC-Co硬质合金衬底上沉积金刚石薄膜,研究了碳源浓度对金刚石薄膜涂层刀具性能的影响,结果表明,碳源浓度对金刚石涂层薄膜质量、形貌和粗糙度、薄膜与衬底间的附着力、刀具的耐用度及切削性能有显著影响,合理控制碳源浓度对获取实用化的在硬质合金刀具基体上沉积高附着强度。
短句来源
  “hot filament chemical”译为未确定词的双语例句
    (110)&(100) Texture diamond films were deposited on cemented carbide(WC-6%Co)substrate by Hot filament chemical vapor deposition (HFCVD), using the gas mixture of methane and hydrogen.
    以CH4和H2为反应气体,用热丝化学气相沉积(HFCVD)法在YG6(WC-6%Co)硬质合金基体上沉积了具有(110)和(100)织构的金刚石薄膜。
短句来源
    The Research on Diamond Films Deposited by Hot Filament Chemical Vapor Deposition
    热丝化学气相沉积金刚石膜的研究
短句来源
    Diamond coated tools are fabricated using WC-Co cemented carbide inserts as substrates by the electronically aided hot filament chemical vapor deposition(EACVD). The new substrate pretreatment methods are investigated to enhance the adhesion of diamond films. An efficient measure is presented to inhabit the catalytic effect of cobalt.
    采用电子增强热丝EACVD法,以WC-Co硬质合金刀具为衬底制备金刚石涂层刀具,研究了提高涂层附着力的衬底预处理新方法,探讨了抑制Co催石墨化作用的有效措施,提出了改善金刚石薄膜表面粗糙度CVD后处理新工艺。
短句来源
    The diamond films were deposited on the cemented WC-6%Co with different surface pretreatments via hot filament chemical vapor deposition.
    采用不同的预处理方式浸蚀YG6硬质合金基体表面,随后在热丝化学气相沉积装置上沉积了金刚石薄膜。
短句来源
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  hot filament chemical
We studied the use of carbon nanotubes as a seeding layer for the nucleation of diamond on Si (100) substrate by using a hot filament chemical vapor deposition (HFCVD) system.
      
Nucleation of diamond over nanotube coated Si substrate using hot filament chemical vapor deposition (CVD) system
      
A study of diamond synthesis by hot filament chemical vapor deposition on Nc coatings
      
Depositions of hot filament chemical vapor-deposited diamond on cobalt-cemented tungsten carbide (WC-Co) rotary cutting dental burs are presented.
      
For biomedical applications, it is highly desirable to be able to deposit smooth adherent diamond films on various complex-shaped substrates using the hot filament chemical vapor deposition technique (HFCVD).
      
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Diamond films have been synthesized on WC 6%C O cemented carbide inserts by hot filament chemical vapor deposition. The influence of various pretreatment processes such as mechanically polishing, chemically etching, decarbonizing and precoating intemediate layer on the adhesive strength was investigated by using indentation. The experimental results show that the adhesive strength can be enhanced by the pretreatment process of polishing etching decarbonizing or precoating TiN intermediate layer. However,...

Diamond films have been synthesized on WC 6%C O cemented carbide inserts by hot filament chemical vapor deposition. The influence of various pretreatment processes such as mechanically polishing, chemically etching, decarbonizing and precoating intemediate layer on the adhesive strength was investigated by using indentation. The experimental results show that the adhesive strength can be enhanced by the pretreatment process of polishing etching decarbonizing or precoating TiN intermediate layer. However, for the in situ plasma decarbonization owing to carbonization the concentration of nucleation particles on the substrate surface decreased during the initial deposition, which leads to a reduction in the nucleation density. The nucleation density and growth rate are high, but the adhesion is poor when only polishing etching pretreatment for the WC C O substrates.Moreover, the adhdsive strength of diamond films and the cemented carbide inserts can be strongly enhanced by intermittent deposition.

以甲烷和氢气为气源,用热丝CVD法,在WC-6%Co的硬质合金基体上沉积金刚石薄膜。研究了基体表面经抛光、腐蚀、脱碳及镀中间层等不同的预处理对金刚石薄膜与基体的附着性的影响。试验结果表明:基体表面经抛光、腐蚀再经脱碳或镀TiN中间层,可改善和提高附着性,金刚石薄膜的形核率和沉积速率有所降低;基体表面只经抛光、腐蚀预处理,金刚石薄膜的形核率和沉积速率较高,结晶性好,但附着性较差;采用分段沉积,可以提高金刚石薄膜的附着性。

By means of adjustment of carbon flux, nucleation of diamond films on carbide substrate YG8 was realized in 30 min by hot filament chemical vapor deposition, the nucleation period was shortened more than 10 times. The deposited samples were analysised by SEM and Raman spectra, and nucleation process of diamond films was also investigated.

利用调节基底表面碳流量的方法促进了热丝CVD中硬质合金YG8上金刚石薄膜的成核,使成核期大为缩短,根据扫描电镜和拉曼光谱对沉积结果的分析,研究了YG8上金刚石薄膜成核的机理。

Diamond coated films are deposited by straight hot filament chemical vapor deposition (CVD) passing through the aperture of drawing die using a mixture of hydrogen and acetone as source gases. The substrate is drawing die made by cemented carbides with large aperture diameter (>2mm), and is pretreated by various methods including Co leaching in acid solution, lapping and decarbonisation. The homogenization and structure of films are characterized by scanning electron microscopy and Raman spectroscopy....

Diamond coated films are deposited by straight hot filament chemical vapor deposition (CVD) passing through the aperture of drawing die using a mixture of hydrogen and acetone as source gases. The substrate is drawing die made by cemented carbides with large aperture diameter (>2mm), and is pretreated by various methods including Co leaching in acid solution, lapping and decarbonisation. The homogenization and structure of films are characterized by scanning electron microscopy and Raman spectroscopy. The results of preliminary applied tests show that the adhesion of diamond coated film can meet the need of the practical drawing. The working lifetime of the drawing die with the diamond coated film can increase 3~5 times.

:以市售大孔径 (>2mm)硬质合金拉丝模为衬底 ,经酸腐蚀去钴、研磨和还原处理后 ,以氢气和丙酮为原料 ,用穿孔直拉热丝CVD法制备了金刚石涂层。利用扫描电镜和喇曼谱图对涂层均匀性进行了评估。初步应用试验表明 ,金刚石涂层的附着力能满足实际拉伸要求 ,涂层拉丝模的工作寿命可提高 3~ 5倍。

 
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