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   hot filament chemical 在 化学 分类中 的翻译结果: 查询用时:0.405秒
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hot filament chemical
相关语句
  热丝cvd
    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。
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  “hot filament chemical”译为未确定词的双语例句
    β C 3N 4 research is one of the hottest topics in condensed matter physics and materials sciences. By using bias hot filament chemical vapor deposition,for the first time,we have synthesized β C 3N 4 single crystasl 1 3μm in length and 300 500nm in cross section. Its lattice parameters are a =6 24 and c= 2 36 with N∶C=1 30 1 40.
    βC3N4的研究是近年来凝聚态物理和材料科学研究的热门课题之一.我们利用偏压辅助热解化学气相沉积方法,首次获得长1—3μm,横截面尺寸在300—500nm的βC3N4六棱体.其晶格常数a=624和c=236.N∶C=130—140.
短句来源
    The influence of N2 and O2 on the facet appearance of diamond has been studiedwith hot filament chemical vapor deposition (HFCVD).
    采用热丝化学气相沉积法(HPCV),研究了N2、O2对金刚石晶形显露的影响。
短句来源
    Carbon nanotip arrays were grown from carbon films deposited on silicon substrates by plasma-enhanced hot filament chemical vapor deposition using CH_4,NH_3 and H_2 as reaction gases.
    以CH4,NH3和H2为反应气体,利用等离子体增强热丝化学气相沉积系统在沉积有碳膜的Si上制备了碳纳米尖端阵列。
短句来源
    MORPHOLOGY OF DIAMOND PARTICLES BY HOT FILAMENT CHEMICAL VAPOUR DEPOSITION METHOD
    CVD法生长金刚石晶粒的形态
短句来源
    HOT FILAMENT CHEMICAL VAPOUR DEPOSITION OF DIAMOND FILM BY CHANGING PRESSURE
    热丝CVD法变压沉积金刚石薄膜
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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 particles obtained from a mixture by the hot filament chemical vapour deposition method of methane and hydrogen were examined by scanning electron microscope.Two types of cubo-octahedron (single crystal and twinned crystal)and two types of icosahedron with different morphology were observed.Most of thetriangular crystal planes of diamond particles were depressed.One of them was the crystal ribbon grown along{111}crystal plane. A gap along a twin boundary in 20- fold twinning was directly found...

Diamond particles obtained from a mixture by the hot filament chemical vapour deposition method of methane and hydrogen were examined by scanning electron microscope.Two types of cubo-octahedron (single crystal and twinned crystal)and two types of icosahedron with different morphology were observed.Most of thetriangular crystal planes of diamond particles were depressed.One of them was the crystal ribbon grown along{111}crystal plane. A gap along a twin boundary in 20- fold twinning was directly found in SEM images. It isthe first time that these are observed in diamond particles formed by the chemical vapour deposition methed. Be-sides,other types of cubo-polyhedron are also observed for the first time.

用SEM研究了CVD法生长金刚石晶粒的晶体形态,观察到了单晶立方八面体、双晶立方八面体和两种不同形态的二十面体。晶粒上的三角形晶面多为凹坑,也有{111}晶面上分层发育的晶层。在二十面体中,还直接地发现广倾角间隙。对于CVD法生长的金刚石晶粒这些都是首次观察到。此外还首次观察到其它几种立方多面体晶形。

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。

In the system of hot filament chemical deposition, deposition of diamond film by changing pressure can increase remarkably the growth rate of diamond grains and reduce the density of twin crystals.

在热丝化学气相沉积系统中,采用变压沉积金刚石薄膜,晶粒生长速率显著提高,而孪晶密度下降。

 
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