diamond like carbon structure
Argon plasma treatment techniques on steel and effects on diamond like carbon structure and delamination
... These analyses demonstrate that the argon pretreatment process has a significant effect on the DLC surface structure. Treatment at 300V (figure 4 a) leads to a DLC film with a non- uniform distribution of nodules ...
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The influence of anti-wear additive ZDDP on doped and undoped diamond-like carbon coatings
... The W-DLC coating was completely removed in each of the tribometer tests. This is evident from the wear rate. The wear rate values are an order of magnitude higher than those experienced by the a-C:H coating in base oil. ...
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The Effect of Bias Voltage and Gas Pressure on the Structure, Adhesion and Wear Behavior of Diamond Like Carbon (DLC) Coatings With Si Interlayers
... of diamond like carbon (DLC) coatings has found widespread usage in many areas of engineering due to substantial benefits associated with properties including high surface hardness low friction, ...
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The Wear Resistance of Cryogenically Treated Diamond-Like Carbon Films
... position, which is caused by increased structural disorder. The experiment used green light emitted by an argon ion laser at the wavelength of 514.5 nm to analyze the coating microstructure. The positions of the G and D ...
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Energy Efficiency Improvements in Dry Drilling with Optimised Diamond Like Carbon Coating
... Deposition with bias voltage 400-500V provides optimum films which correlates with the lower friction coefficient of these films observed in preliminary tribological tests. Coated drills deposited at bias voltages ...
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Structure and Electrochemical Properties of Nitrogen Doped Diamond-like Carbon Film Synthesized by Low Temperature Neutral Beam Enhanced Chemical Vapor Deposition
... In our laboratory, we have employed a natural beam technique for series work on highly selective and energy-controllable etching, oxidization, and low-k material film deposition [29-36]. The advantages of the neutral ...
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The Influence of Cutting Fluid and Diamond Like Carbon Coating on Cutting Tool Wear
... The a-C:H coating was obtained by plasma assisted chemical vapour deposition (PACVD). The PACVD process is a CVD process that is supported by glow discharge plasma. This method allows producing thin, hard surface layers, ...
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Photochemically modified diamond-like carbon surfaces for neural interfaces
... It is not entirely clear how substances such as PLL, which contain amine groups, improve cell attachment and viability. The effect may arise from interactions with speci fi c receptors on neuronal cell mem- branes ...
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Spectroellipsometric characterization and modeling of plasmonic diamond like carbon nanocomposite films with embedded Ag nanoparticles
... nanocomposite structure and compos- ition were observed by EDS profiling, TEM, and ...in diamond-like carbon films, and effective properties of the nanocomposite can be used for predict- ing ...
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Effect of Diamond-Like Carbon Thin Film on the Fatigue Strength of AISI 4340 Steel
... Diamond-like carbon (DLC) films originated from hydrocarbon sources are carbon-based films that present a structure similar to diamond without the bond angles that exist in the ...
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Nanostructure and paramagnetic centres in diamond like carbon: Effect of Ar dilution in PECVD process
... incorporation of Ar into the DLC film, a narrowing of the EPR line, and an associated decrease in film resistance. This is consistent with motional narrowing of the EPR signal, resulting from increased wavefunction ...
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Improvement of Thermal Stability and Tribological Performance of Diamond Like Carbon Composite Thin Films
... Si-O-DLC and Si-N-DLC films were successfully pre- pared on Si (100) wafers, WC-Co materials, and alumi- num foils using the PBII technique. The films were in- vestigated for the effects of silicon, oxygen and nitrogen ...
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Annealing Effects on Structure and Optical Properties of Diamond Like Carbon Films Containing Silver
... a structure typical of the DLC is destructed or the DLC matrix is burned out ...2 carbon bond ratio (graphitization of the amorphous carbon ...
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Diamond like carbon/epoxy low friction coatings to replace electroplated chromium
... Surface structure of substrates and trial coatings were examined utilising a Zeiss Supra 35VP field emission scanning electron microscope (FE-SEM), operating in variable pressure ...
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Thermionic Energy Conversion and Particle Detection Using Diamond and Diamond-Like Carbon Surfaces
... optimum structure geometry and density to maximize output current from increased surface area and enhanced emission from SBL will be neces- sary to fully understand the benefit of these effects on the performance ...
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Tribological properties of diamond-like carbon and boron carbide coatings against aluminum: Adhesion & friction at different temperatures and environments.
... coating structure (not to ...layered structure o f DLC-WC-DLC coating; b) FIB cross-section (courtesy o f ...micro structure o f the 319 Al pin material 106 Figure ...
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The Studies of Diamond-Like Carbon Films as Biomaterials: Review
... shaker. The samples were washed as described above. The adsorption of Fg was further monitored using a monoclonal mouse anti-human Fg directed versus the γ-chain diluted 1:1000 with 1% BSA in PBS. A quantity of 300 µl ...
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UV-Vis characterization of diamond-like carbon thin films deposited using (DC-PECVD)
... preparation, structure and properties of ...molecular structure, we are able to invent new materials, component and system with new attractive features and ...
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Electron Emission of Graphene Diamond Hybrid Films Using Paraffin Wax as Diamond Seeding Source
... of diamond [12], amor- phous carbon [13], and vertically aligned multi- and sin- gle-walled carbon nanotubes [14,15] for cold cathode applications have been extensively investigated but the field ...
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Spontaneous formation of graphene like stripes on high index diamond C(331) surface
... We carry out first-principles DFT calculations to study the spontaneous formation of graphene-like stripes on the reconstructed diamond C(331) surface. The sp 2 -hybridized bonding in the graphitic layer on ...
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