Pulsed Plasma
Growth and characterization of silicon nanowires catalyzed by Zn metal via Pulsed Plasma-Enhanced Chemical Vapor Deposition
... The prepared substrate was loaded into a Pulsed Plasma-Enhanced Chemical Vapor Deposition (PPECVD) system chamber to grow SiNWs. Argon (Ar) gas was introduced under a pressure of 3torr for 35min when the ...
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Increased Energy Absorption into W due to the Metal Deposited Layer from an ELM-like Pulsed Plasma
... Figure 6 shows SEM images before and after the pulsed plasma irradiations. Cracking and melting are seen on the irradiated Al-coated W. Table 2 shows the EDS result, where S, Ni, and Mo are sulfur, nickel, ...
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Microsatellite formation flying using pulsed plasma thruster and solar sailing at Earth Moon L4
... a pulsed plasma thruster and solar sail with closed loop nonlinear control algorithms for microsatellite formation flying con- trol near the Earth Moon L4 ...
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Electrochemical Corrosion Performance of AISI D2 Tool Steel Surface Hardened by Pulsed Plasma Nitriding
... Pulsed plasma nitriding was carried out using a processing equipment [14] which consists of a vacuum chamber containing a central cathode biased by negative high voltage ...pulses. Plasma is ...
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Mathematical Modeling of Liquid-fed Pulsed Plasma Thruster
... for pulsed plasma thrusters due to their high efficiency and low contamination ...complete plasma interaction and acceleration processes are still not very ...
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Proof of Concept and Analytic Considerations of Coaxial Solid Pulsed Plasma Thrusters
... ABSTRACT: The objective of this article is concerning on the design, test setup and analytic study of pulsed plasma thruster (PPT). PPT can be used with small satellites (up to 500kg) at low earth orbit for ...
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Electrochemical Corrosion Performance of Hematite-Free Magnetite Layer on AISI 4340 by Duplex Pulsed Plasma Nitriding-Oxidizing Treatment
... 500°C during 1-2 hours of pulsed plasma post-oxidation treatment. Yang et. al. [7] showed that the highest amount of magnetite occurs when oxidation is carried out at 400 and 450°C in an oxygen atmosphere ...
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THE RESEARCH OF PHASE COMPOSITION AND MORPHOLOGY OF THE PRODUCT DISPERSION OF CADMIUM IN MICROEMULSION (WATER-TOLUENE), USING THE ENERGY PULSED PLASMA
... Cadmium nanostructures in microemulsion (water-toluene) were synthesized and investigated using pulsed plasma energy in liquid (PPL). To compare the results of the study, parallel synthesized cadmium ...
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Increase in Hardness and Chloride Corrosion Resistance of 6061 Aluminum Alloy by Pulsed Plasma Nitriding
... as plasma immersion ion implantation (PIII) and inductively plasma nitriding does not find jet, any large-scale industrial application mainly because to its high cost and complicated equipment ...
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Effect of Nitriding Current Density on the Surface Properties and Crystallite Size of Pulsed Plasma Nitrided AISI 316L
... Figure 1 shows the XRD patterns obtained from untreated and plasma nitrided samples at different current den- sities (1, 1.5, 2 and 2.5 mA/cm 2 ). The XRD pattern of untreated sample shows a typical γ -austenite ...
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Synergetic Effects of Plasma, Temperature and Diluant on Nonoxidative Conversion of Methane to C2+ Hydrocarbons in a Dielectric Barrier Discharge Reactor
... the plasma polymerized carbon film ...frequency pulsed plasma [20, 21], catalytic and microwave plasma [22], dinitrogen microwave plasma [23], RF plasma reactor [24], and ...
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Femtosecond pulsed laser deposition of silicon thin films
... Femtosecond pulsed laser deposition (fs-PLD) technique [1] uses a train of focused femtosecond laser pulses to gen- erate plasma ablation from a target material; this plasma is deposited onto the ...
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The Present State of Investigations on Stellarators in Kharkov
... For plasma production and heating, RF methods are used with different designs of antennas. At present three RF antennas are installed in U-2 M. A small frame antenna (SA) is designed specially for the wall ...
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Pulsed Supermagnetron Plasma CVD of a CNx:H Electron Transport Films for Au/a CNx:H/p Si Photovoltaic Cells
... a 2.5-kHz pulse frequency and a duty ratio (defined as the ratio of pulse on-time to total cycle time) of 12.5%, in the case of supermagnetron plasma CVD, the substrate was cooled stably and relatively hard and ...
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Effect of nitriding time on the structural evolution and properties of austenitic stainless steel nitrided using high power pulsed DC glow discharge Ar/N2 plasma
... the plasma nitriding process was ...were plasma nitrided for one hour and three hours respectively at identical plasma conditions, were carefully characterized by means of scanning electron ...
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Study on Weld Quality Characteristics of Pulsed Current Micro Plasma Arc Welding of Inconel625 Sheets
... The plasma welding process was introduced to the welding industry in 1964 as a method of bringing better control to the arc welding process in lower current ...Today, plasma retains the original advantages ...
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Plasma Physics in Pulsed Laser Deposition of Hydrogen-free Diamond-like Carbon Films and Nanocomposites.
... Connection to existing substrate holder. x z[r] ...
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Erosion Wear Behavior of CrAlN Coating Produced by Pulsed Filtered Vacuum Cathode Arc Deposition Assisted with Plasma
... with plasma at a bias of 500V at Ar pressure ...pulse plasma was created by igniting a vacuum arc between the anode and the ...a pulsed discharge current, generated the plasma, which was ...
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Application of Hooke & Jeeves Algorithm in Optimizing Fusion Zone Grain Size and Hardness of Pulsed Current Micro Plasma Arc Welded AISI 304L Sheets
... Empirical relations are developed to predict grain size and hardness of pulsed current micro plasma arc welded AISI 304 L using Response Surface Method. The devel- oped model can be effectively used to ...
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NEW POSSIBILITY FOR THE USE OF PLASMA DISCHARGES TO IDENTIFY AMBER AND CHANGES IN AMBER STRUCTURE
... power plasma discharge in the air Pulsed power plasma discharge in air was our first ...After pulsed power plasma discharge treatment, the amber’s surface became smoother and its color ...
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