Plasma nitriding
Low-temperature plasma nitriding of martensitic stainless steel
... regard, nitriding has already been proved to be a successful method to improve these prop- erties without the problem of delamination of the deposited layers [ 3 , 4 ...ammonia nitriding has prob- lems ...
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Plasma Nitriding of 90CrMoV8 Tool Steel for the Enhancement of Corrosion Resistance
... 2.3. Electrochemical characterization: To assess the corrosion resistance property, steel samples before and after plasma nitriding were subjected to detailed corrosion tests by following potentiodynamic ...
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Effects of low and high temperature plasma nitriding on electrochemical corrosion of steel
... after plasma nitriding the nitrided and bare steel samples were exposed to detailed XRD (with Co-k a radiation ...after nitriding 550 °C for 10 h (SN (B)) and at 450 °C (SN ...after nitriding ...
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Low Temperature Plasma Nitriding of Low Alloy Steel for the Enhancement of Hardness
... eliminated. Nitriding of the surface was found to be a successful process for the improvement of these ...that nitriding followed by the coating improves the adhesion of the coated layer [3, ...Conventional ...
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Effects of plasma nitriding on low alloy Cr-Mo-V steel
... of plasma nitriding and nitrocarburising of AISI 430F stainless steel for high hardness and corrosion resistance Corrosion Engineering, ...temperature plasma-assisted nitriding: revisiting and ...
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Plasma Nitriding of 90CrMoV8 Tool Steel for the Enhancement of Hardness and Corrosion Resistance
... Fig. 1 a shows the cross section SEM of the steel sample nitrided at 500 °C for 10 h after etching with Vilella's reagent and Vickers micro hardness pro files at different nitriding process times. A variation in ...
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Effect of duplex treatments by plasma nitriding and triode sputtering on corrosion behaviour of 32CDV13 low alloy steel
... © 2005 Elsevier B.V. All rights reserved. Keywords: Triode sputtering; Plasma nitriding; Duplex; Corrosion 1. Introduction The nitride coatings deposited by Physical Vapour Deposi- tion (PVD) techniques ...
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Electrochemical study on the corrosion resistance of surface modified Cr-Mo-V steel by elevated temperature plasma nitriding
... 2008 Plasma nitriding of low alloy steels at floating and cathodic potentials ...of plasma nitrided X32CrMoV33 die steel ...a plasma nitriding method and residual stress measurement of a ...
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Elevated temperature plasma nitriding and effects on electrochemical properties of steel
... the plasma nitrided steel shows corrosion resistance more than the bare ...after plasma nitriding the microstructure contains Fe x N (x = 2–3, ...
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Glow discharge plasma nitriding of low alloy steel
... the nitriding was ...the nitriding stage of the cycle ...assisted plasma of N 2 and H 2 gas mixture the nitriding process continued up to the desired length of ...when nitriding process ...
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Classical nitriding of heat treatable steel
... low-pressure nitriding at around 10 3 Pa in order to increase the diffusivity of the nitrogen in the presence of a high quantity of alloying elements (Gawronski, ...steels, plasma nitriding is ...
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Evolution of residual stress in the diffusion zone of a model Fe-Cr-C alloy during nitriding
... with growth of the fine carbides (Figure 5). The presence of γ’- Fe 4 N along porous grain boundaries in the oldest part of the diffu- sion zone is not predicted by ThermoCalc. From the phase frac- tions (and the ...
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Plasma in spark plasma sintering of ceramic particle compacts
... (detailed analysis is given elsewhere [17] ). Good agree- ment between the experimental and theoretical curves was found at the higher pressures. The temperature dependence of the yield stress of LiF single crystals, ...
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Plasma in spark plasma sintering of ceramic particle compacts
... specimens. Plasma formation is highly exothermic, and the tempera- ture may rise even to several thousand degrees ...generates plasma when the thresh- old for the current percolation is ...c). Plasma ...
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Comparaison de 5 techniques de prération du PRP (Platelet-Rich Plasma ou plasma)
... En raison du très faible volume (0,3 ml) recueilli par cette technique et afin de répondre à notre impératif préliminaire (1 ml de PRP à injecter dans le cadre du traitement des tendinop[r] ...
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Activation of surfaces prior to gaseous nitriding of a 3wt.% Cr carbon iron-based alloy
... gaseous nitriding of a 3wt.% Cr carbon iron-based alloy - In: Nitriding Symposium 4, Etats-Unis, 2016-11-17 - Proceedings of the 4th Nitriding Symposium - ...
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Combination of mechanical and chemical pre-treatments to improve nitriding efficiency on pure iron
... 3. Results 3.1. Thermogravimetric analysis In this section, the analysis is led during the first hour of nitriding and all the samples have been nitrided for a minimum suration of 1 h. The usual way to present the ...
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Applied Plasma Research
... For injection (or thruster) applications, the type of working gas, the final velocity, and the kinetic energy of the accelerated plasma are to be considered prescr[r] ...
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L'Interface Plasma-Paroi
... L’Interface Plasma-Paroi Dans l’histoire de la recherche sur la fusion par confinement magnétique, l’interface entre le plasma et la paroi n’a pas toujours été sur le devant de la ...le plasma de ...
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Applied Plasma Research
... In a previous report I we described the acoustic-wave propagation characteristics in InSb and the relevant elastic and piezoelectric parameters that enter into the [r] ...
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