Results 11 to 20 of about 1,410,026 (253)

Reactive plasma spraying [PDF]

open access: yes, 1999
Reactive Plasma Spraying (RPS) with a hydrocarbon gas has been studied as a method to improve the mechanical properties of a commercially available 80: 20 nickel-chromium alloy, and subsequently as a method to reduce the oxygen content of sprayed ...
Al-Sabouni, Omar
core   +7 more sources

Palladium Membrane with High Density of Large-Angle Grain Boundaries to Promote Hydrogen Diffusivity

open access: yesMembranes, 2022
A higher density of large-angle grain boundaries in palladium membranes promotes hydrogen diffusion whereas small-angle grain boundaries suppress it. In this paper, the microstructure formation in 10 µm thick palladium membranes is tuned to achieve a ...
Efi Hadjixenophontos   +8 more
doaj   +1 more source

Characterization of opportunity for upgrading of the system based on arc plasma torch for thermal spaying of ceramic materials, by means of use of fuel vortex intensifier. Part I: Thermodynamic modeling of the system efficiency parameters

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2021
One of the main trends in the field of improving the modern technologies of thermal spraying, including plasma one, for functional ceramic coatings formation is the reducing the energy consumption of the process.
O. G. Devoino   +6 more
doaj   +1 more source

Characterization of opportunity for upgrading of the system based on arc plasma torch for thermal spaying of ceramic materials, by means of use of fuel vortex intensifier. Part II. Thermal engineering estimation and experimental testing

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2022
The main trends in the field of improving thermal spraying processes for ceramic coatings formation is, along with enhancement of coating properties, also the reducing the energy consumption for the process.
O. G. Devoino   +4 more
doaj   +1 more source

LOCAL MECHANICAL PROPERTIES OF ATMOSPHERIC SPRAYED MOLYBDENUM COATINGS DEPOSITED WITH CASCADED PLASMA TORCH

open access: yesActa Polytechnica CTU Proceedings, 2020
Increasing interest for industrial use of thermally sprayed coatings leads to development in most thermal spraying technologies, including atmospheric plasma spraying (APS).
Jakub Antoš   +7 more
doaj   +1 more source

Research progress of the preparation of high entropy alloy coatings by spraying

open access: yes工程科学学报, 2021
In the 1990s, Ye, a scholar from China, broke the routine with a creative idea of the concept of high entropy alloys (HEAs). Since then, new alloys, which breached the traditional concept of “primary component”, have caught great attention of scientists ...
Wei XIN   +6 more
doaj   +1 more source

Numerical Simulation of Plasma Spraying Performance Index [PDF]

open access: yesE3S Web of Conferences, 2020
In recent years, there has been an increasing interest in plasma jet numerical simulation. Speed and temperature propagation in axial and radial direction in plasma jet significantly influences on speed and temperature of sprayed material and therefore ...
Frolov Vasiliy, Klochkov Yury
doaj   +1 more source

Effect of microplasma spraying parameters on the loss of sprayed Zr wire and coating porosity

open access: yesВестник. Серия физическая, 2021
The article presents new results of studying the causes of material loss during microplasma spraying (MPS) and substantiates the choice of optimal parameters for efficient spraying of zirconium wire coatings on steel substrates and obtaining coatings ...
S.G. Voinarovych   +5 more
doaj   +1 more source

ZrB2-SiC-ZrC coating on ZrC ceramics deposited by plasma spraying

open access: yesResults in Physics, 2019
The ZrB2-SiC-ZrC coating free of adhesion layer was successfully prepared by plasma spraying. Fine ZrB2-SiC-ZrC sprayed composite powders were pre-synthesized by muti-step hot pressing.
Baoxia Ma, Jinyou Li
doaj   +1 more source

The Nature of Plasma Spraying

open access: yes, 2023
By its nature, plasma spraying is a rapid solidification process in which finely powdered material injected into a plasma jet is almost instantly melted and propelled with high velocity, created by a strong magnetohydrodynamic force against a suitable ...
Robert B. Heimann
core   +1 more source

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