Results 21 to 30 of about 783,437 (120)

RESEARCH AND APPLICATION OF MICROARC OXIDATION TECHNOLOGY FOR RESTORATION OF WORKING PISTON SURFACES OF FREIGHT VEHICLES

open access: yesШәкәрім университетінің хабаршысы: Техника ғылымдар
The scientific article is devoted to the study and application of micro-arc oxidation technology for the restoration of the working surfaces of truck pistons. The study includes an analysis of the physical and chemical processes occurring during microarc
N. Serikbekuly   +3 more
doaj   +1 more source

Physical-Mechanical Properties of Superhard Nanocomposite Coatings on Base Zr-Ti-Si-N

open access: yesMedžiagotyra, 2013
Hard and super hard coatings of Zr-Ti-Si-N of from 2.8 μm to 3.5 μm thickness were fabricated using a vacuum arc source with high frequency stimulation. The samples were annealed in vacuum and in air at 1200 °C. It was found that films with a high Zr and
Alexandr POGREBNJAK   +7 more
doaj   +1 more source

STUDY OF THE PROCESS OF COATING FORMATION DURING MICROARC OXIDATION OF TITANIUM

open access: yesШәкәрім университетінің хабаршысы: Техника ғылымдар
In this work, the structural-phase state of coatings formed on the surface of titanium by microarc oxidation (MAO) was studied. During the research, a number of experiments were carried out in which the process parameters and electrolyte composition were
N. Serikbekuly   +3 more
doaj   +1 more source

The Toxic Truth About Carbon Nanotubes in Water Purification: a Perspective View

open access: yesNanoscale Research Letters, 2018
Without nanosafety guidelines, the long-term sustainability of carbon nanotubes (CNTs) for water purifications is questionable. Current risk measurements of CNTs are overshadowed by uncertainties.
Rasel Das, Bey Fen Leo, Finbarr Murphy
doaj   +1 more source

STUDYING THE INFLUENCE OF ELECTROLYTIC MEDIUM ON THE STRUCTURAL-PHASE COMPOSITION OF CALCIUM-PHOSPHATE COATINGS OBTAINED BY THE METHOD OF MICROARC OXIDATION ON THE SURFACE OF TITANIUM ALLOY VT1-0

open access: yesШәкәрім университетінің хабаршысы: Техника ғылымдар
This article examines the influence of the electrolytic environment on the structure and phase composition of calcium phosphate coatings obtained by microarc oxidation of the surface of VT1-0 titanium alloy.
N. Serikbekuly   +3 more
doaj   +1 more source

PROSPECTS FOR THE USE OF MICROARC OXIDATION IN THE PRODUCTION OF AVIATION AND AUTOMOTIVE COMPONENTS

open access: yesШәкәрім университетінің хабаршысы: Техника ғылымдар
This article discusses the prospects for the application of microarc oxidation (MAO) technology in the aviation and automotive industries. The MAO process allows the creation of durable, wear-resistant and corrosion-resistant coatings on the surface of ...
N. Serikbekuly   +4 more
doaj   +1 more source

Membrane Surface Modification and Functionalization

open access: yesMembranes, 2021
With the increase in water scarcity, and as only 2 [...]
Vivek Vasagar   +2 more
doaj   +1 more source

Corrosion study of CA-PVD coated perforation cutter blades of different metallurgies used for liquid shampoo packaging

open access: yesResults in Surfaces and Interfaces
Perforation cutters must tackle aggressive corrosion and wear while filling sachets/pouches containing shampoo liquids and conditioners. The present work aims to enhance the durability of the perforation cutters through the application of PVD coatings ...
R. Mundotia   +5 more
doaj   +1 more source

Thin SnOx films for surface plasmon resonance enhanced ellipsometric gas sensing (SPREE)

open access: yesBeilstein Journal of Nanotechnology, 2017
Background: Gas sensors are very important in several fields like gas monitoring, safety and environmental applications. In this approach, a new gas sensing concept is investigated which combines the powerful adsorption probability of metal oxide ...
Daniel Fischer   +6 more
doaj   +1 more source

Study of structural, surface energies, and tribomechanical properties of thermoplastics irradiated by electron beam

open access: yesMaterials Research Express
This study investigates the effects of electron irradiation on the structural, surface energy, and tribomechanical properties of two key thermoplastics: polyetheretherketone (PEEK) and polytetrafluoroethylene (PTFE).
Bauyrzhan Rakhadilov   +5 more
doaj   +1 more source

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