diamond-like carbon coating (DLC)
The Influence of Cutting Fluid and Diamond Like Carbon Coating on Cutting Tool Wear
... However, after turning using a cutting fluid, the consumption was about 3 times lower for uncoated cemented carbide tools than for those coated with a-C:H. A-C:H coated cemented carbide tools are more effective in dry ...
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Energy Efficiency Improvements in Dry Drilling with Optimised Diamond Like Carbon Coating
... As the temperature rises in cutting zone, material adhesion to the drills will become more likely, leading to formation of a built-up layer. Poor swarf evacuation also makes the generation and growth of this layer more ...
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Tribological Properties of Hybrid Process DLC Coating against Magnesium Alloy
... (Diamond-like carbon) coating has very good tribological properties preventing the adhesion of worked material like aluminum and magnesium alloy during deep drawing without ...process ...
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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
... The increase in deposition rate with gas pressure can be explained in terms of the energy of the arriving species arriving at the surface too. Studies conducted by Ward on sputtered Nb coatings and the effect of bias ...
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Diamond like carbon/epoxy low friction coatings to replace electroplated chromium
... EP4 coating shows some improvement over chromium plate, and this is further enhanced by the glass fibre reinforcement in ...a DLC- epoxy combination, as shown in figure 4 (f); After 30 minutes sliding ...
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Effect of Interlayer Thickness on Fatigue Behavior in A5052 Aluminum Alloy with Diamond Like Carbon/Anodic Oxide Hybrid Coating
... As shown in Fig. 8, fatigue strength of substrate was enhanced by DLC single layer. This is because cyclic slip deformation was restricted by hard DLC layer on the specimen surface and crack initiation was ...
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In-situ reflection-XANES study of ZDDP and MoDTC lubricant films formed on steel and diamond like carbon (DLC) surfaces
... Tests with the ZDDP+MoDTC lubricant were also performed using the DLC coating as a substrate. Previous research has shown that thiols can be oxidized by iron oxide. The objective of the current experiment ...
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Corrosion Protect DLC Coating on Steel and Hastelloy
... obtained. DLC (Diamond-like carbon) is used for a hard coating film in the mechanical tool ...of DLC films were investigated by ...
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Characterization of Films with Thickness Less than 10 nm by Sensitivity Enhanced Atomic Force Acoustic Microscopy
... 10-nm-thick diamond-like carbon (DLC) films deposited, using different methods, on a hard disk for the effective Young ’ s modulus defined as E/(1 - ν 2 ), where E is the Young ’ s modulus, ...
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Tribological properties of diamond-like carbon and boron carbide coatings against aluminum: Adhesion & friction at different temperatures and environments.
... resultant DLC coatings in ...hydrogen-free DLC coatings (with essentially zero H/C ratio) was very high ...hydrogen-free DLC dropped to 0.25, whereas that o f highly hydrogenated DLC increased ...
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Effect of Diamond-Like Carbon Thin Film on the Fatigue Strength of AISI 4340 Steel
... AISI 4340 is N-Cr-Mo steel having high hardenability, exceptional tensile strength, high ductility and high toughness [1-2]. Because of its super properties, AISI 4340 is widely used for fabrication of parts components ...
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Improvement of Thermal Stability and Tribological Performance of Diamond Like Carbon Composite Thin Films
... the DLC film yields good tribological performance for protective coating applications in a high-temperature environment in an air atmosphere in comparison with non-coated ...
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Photochemically modified diamond-like carbon surfaces for neural interfaces
... prepared DLC substrates which were subsequently modi fi ed by a UV functionalization method to covalently bond amine and aldehyde-containing molecules to the surface in order to improve ...neurocompatibility. ...
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The Studies of Diamond-Like Carbon Films as Biomaterials: Review
... If coating DLC films onto valve ring, that will solve this problem because DLC films have high wear resistance and ...Moreover, DLC films are able to be deposited on the surface of almost all ...
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Effects of Fluorine and Silicon Incorporation on Tribological Performance of Diamond Like Carbon Films
... the DLC films under dry sliding contact is nor- mally controlled by a carbon-rich transfer layer formed on the counterpart sur- faces, which prevents direct contact between the mating materials and the ...
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The Wear Resistance of Cryogenically Treated Diamond-Like Carbon Films
... a coating method that uses cathode arc plasma deposition (CAPD), a part of the physical vapor deposition (PVD) ...high-density coating. CAPD exhibits a high coating speed, favorable adhesiveness, and ...
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The performance and mechanisms of DLC-coated surfaces in contact with steel in boundary-lubrication conditions – a review
... non-doped DLC coatings ...This coating-lubricant combination (W-DLC/steel in contacts with EP additive) has also been studied for different test param eters, such as various temperatures, loads, ...
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Nanostructure and paramagnetic centres in diamond like carbon: Effect of Ar dilution in PECVD process
... deposition conditions. However, the EPR linewidth decreases with increasing argon content of the precursor mix, suggesting an enhancement of motional narrowing due to an increase in electron delocalization, related to an ...
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The Study of the DLC and DLC-Si Coating Structure on Mechanical Properties
... The tests carried out with the deposited layers included thickness evaluation, measurements of both static and dynamic adhesion, friction coefficient and crystal structure. The thickness of the coatings for all the ...
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Argon plasma treatment techniques on steel and effects on diamond like carbon structure and delamination
... the DLC surface structure. Treatment at 300V (figure 4 a) leads to a DLC film with a non- uniform distribution of nodules of various sizes, from sub 100nm to over ...the DLC asperities can be related ...
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