搜索结果: 1-15 共查到“工学 diamond”相关记录27条 . 查询时间(0.068 秒)
Working under pressure:Diamond micro-anvils made by UAB will produce immense pressures to make new materials
Diamond micro-anvils made UAB produce immense pressures make new materials
2016/11/4
University of Alabama at Birmingham researchers will use pressures greater than those found at the center of the Earth to potentially create as yet unknown new materials. In the natural world, su...
Researchers Integrate Diamond/Boron Nitride Crystalline Layers for Use in High-Power Devices
Researchers Integrate Diamond/Boron Nitride Crystalline Layers High-Power Devices
2016/5/19
We have created a new state of BN (named Q-BN) through rapid melting and super undercooling and quenching by using nanosecond laser pulses. Phase pure c-BN is formed either by direct quenching of supe...
Researchers Find New Phase of Carbon,Make Diamond at Room Temperature
Researchers Carbon Diamond Room Temperature
2015/12/8
We report the discovery of new phase of carbon (referred to as Q-carbon) and address fundamental issues related to direct conversion of carbon into diamond at ambient temperatures and pressures in air...
DISTORTION DISTRIBUTION AND CONVERGENCE ANALYSIS OF SPHERICAL DIAMOND DISCRETE GRIDS
Global Discrete Grid Spherical Diamond Discrete Grid Distortion Distribution Convergence Analysis Electrical Potential Energy
2014/4/21
Four kinds of subdivision methods of Global Discrete Grid are presented in this paper. Furthermore, we systematically and
comprehensively compare and analyze the distortion distribution and converge...
Spectroscopic measurement of the refractive index of ion-implanted diamond
Spectroscopic measurement refractive index ion-implanted diamond
2012/2/24
We present the results of variable-angle spectroscopic ellipsometry and transmittance measurements to determine the variation of the complex refractive index of ion implanted single-crystal diamond. A...
Study on the Effect of Allylisothiocyanate Formulations on Three Lepidopterous Insect Larvae, the Diamond Back Moth, Plutella xylostella (L.), the Small Cabbage White Butterfly, Pieris rapae (L.) and Tobacco Cut Worm, Spodoptera litura Fabr
Allylisothiocyanate fumigant activity spray application bioassay cruciferous insect larvae
2010/12/22
It was concluded that the AITC oil showed promise findings and may be a good alternative to old fumigant “phosphine”. The others were found efficient on the spray application bioassays but the mixture...
Nanotechnologists From the University of Pennsylvania Collaborate to Form Near-Frictionless Diamond Material
University of Pennsylvania Near-Frictionless Diamond Material
2010/3/4
Researchers at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research-Zürich have fabricated an ultra sharp, diamond-like carbon tip possessing such high strength that it...
An Investigation into the Adhesion Strength of Diamond Like Carbon Multilayer Coating (DLC/TiN/Ti/Cu/Ni)
cleanliness sputtering multilayer adhesion micro hardness
2013/1/29
Advancement in vacuum technologies and vapor deposition processes during last decades has led to the introduction of many modern coatings on metal cutting tools. Even in such an advanced vacuum coatin...
Compaction of the diamond – Ti3SiC2 graded material by the high – speed centrifugal compaction process
High-speed centrifugal compaction process Sedimentation Barnea-Mizrahi equation
2009/12/1
Purpose: Sedimentation of particles in a viscous fluid is a main physical problem in fluid mechanics.
Sedimentation is benchmark of one of the technica; methods to produce the functionally graded mat...
五彩宝石——Diamond椅
宝石 Diamond椅
2009/9/9
Diamond椅是英国年轻设计师Benjamin Hubert 2008年的作品，展出于2008伦敦100%设计展和今年的科隆国际家具展，并获得了科隆展上的[d3]设计奖。Diamond椅鲜艳明亮的颜色和纽扣缝制式的外形使其大方而不失可爱，而设计师在这件作品上的关注重点为其表面的软体家具材料和薄木镶饰板的运用。
Partial Oxidation of Methane to Synthesis Gas over Oxidized Diamond Supported Catalysts—Catalytic Behavior of Nickel and Cobalt Species—
Partial oxidation Diamond Methane Synthesis gas Pulse method
2009/7/24
Characterization of nickel and cobalt catalysts supported on oxidized diamond (O-dia) in the partial oxidation of methane to synthesis gas was carried out by X-ray photoelectron spectroscopy (XPS) an...
摘要：
分别采用在Cu基体添加0. 1 wt%的Ti 元素形成Cu2Ti合金和在Diamond 颗粒表面镀钛(DiamondTi) 的方法, 制备了含Diamond 体积分数为60 %的Diamond/Cu2Ti 复合材料和DiamondTi/Cu 复合材料。对比分析了Ti 元素对复合材料微观组织、界面结合及性能的影响规律。结果表明: 添加0. 1 wt%Ti 元素能改善Diamond与Cu ...
Fabrication and electrochemical properties of diamond layers grown on tungsten wire by HF CVD method
CVD diamond diamond cyclic voltammetry
2011/5/11
Un-doped polycrystalline diamond thin films have been grown on tungsten substrates by hot filament chemical vapor deposition (HF CVD) using a hydrogen and methanol vapor mixture. Diamond films have be...
Electron paramagnetic resonance and scanning electron microscopy characterization of diamond films fabricated by HF CVD method
hot filament chemical vapour deposition (HF CVD) diamond
2011/5/11
Defects in diamond films, produced by the hot filament chemical vapour deposition (HF CVD) of methanol and hydrogen mixture as function of gas composition, were investigated by electron paramagnetic r...
Electronic structure of boron-doped diamond with B–H complex and B pair
superconductivity diamond B–H complex boron pair
2010/10/12
The electronic structure of boron–hydrogen complex and boron pair in diamond are studied by
first-principles density-functional calculations with supercell models. The electronic structure
calculate...