Results 31 to 40 of about 63,965 (188)

Surface modification of electrical contacts by cold gas dynamic spraying process

Surface and Coatings Technology, 2013
Abstract This study aims at improving mechanical properties of electrical contacts through copper and copper matrix silicon carbide reinforced composite coatings produced by cold gas dynamic spraying coating and heat treatment. Characterization of coatings was made by microstructural investigations, electrical conductivity measurements and mechanical
Tazegul, Onur, Meydanoglu, Onur, Kayali, E. Sabri   +2 more
openaire   +2 more sources

A Methodology for Afterburner Evaluation [PDF]

, 1996
A preliminary investigation of the performance of an afterburner module proposed by the Gas Turbine Research Establishment, Bangalore for the Kaveri engine has been carried out.
Haran, AP, Isaac, JJ, Krishnakumar, VS, Rajashekar, C, Ramesh, NR, Shyamsundar , SR, Sundararajan, V   +6 more
core  

The Microstructural Investigation of Vermiculite-Infiltrated Electron Beam Physical Vapor Deposition Thermal Barrier Coatings

Open Chemistry, 2018
Thermal barrier coatings (TBCs) are widely used in aerospace and aviation industries for materials required to withstand severe environments such as oxidation, hot-corrosion failure and CMAS (calcia–magnesia–alumina–silica) attack or vermiculite ...
Ozgurluk Yasin, Doleker Kadir Mert, Ahlatci Hayrettin, Ozkan Dervis, Karaoglanli Abdullah Cahit   +4 more
doaj   +1 more source

Properties of ceramic coatings in engine cylinder liners restoration using combined technology [PDF]

E3S Web of Conferences
In the course of vehicle operation with internal combustion engines, due to various reasons, defects occur on the cylinder mirror, resulting in the need for repair work to eliminate them. For non-cylinder blocks most often requires replacement with a new
Popov Nikita, Chavdarov Anatoly
doaj   +1 more source

Effect of curing conditions and harvesting stage of maturity on Ethiopian onion bulb drying properties [PDF]

, 2019
The study was conducted to investigate the impact of curing conditions and harvesting stageson the drying quality of onion bulbs. The onion bulbs (Bombay Red cultivar) were harvested at three harvesting stages (early, optimum, and late ...
Adgo, Enyew, Damot, Getachew A., Delele, Mulugeta, Fanta, Solomon, Nicolai, B, Nyssen, Jan, Verboven, P, Workie, Melkamu A., Zewdie, Tewodros   +8 more
core   +1 more source

Optimization of Cold Gas Dynamic Spray Coatings Using Agglomerated Al–Zn–TiO₂ Powders on Steel

Metals
Cold gas dynamic spraying (CGDS) enables the production of protective coatings without melting or oxidation. In this study, Al–Zn–TiO2 composite powders were prepared by wet agglomeration with binders and by dry mechanical mixing, and deposited onto mild
Bauyrzhan Rakhadilov, Kaiyrzhan Berikkhan, Zarina Satbayeva, Ainur Zhassulan, Aibek Shynarbek, Kuanysh Ormanbekov   +5 more
doaj   +1 more source

Heat treatment of cold-sprayed C355 Al for repair: microstructure and mechanical properties [PDF]

, 2017
Cold gas dynamic spraying of commercially pure aluminum is widely used for dimensional repair in the aerospace sector as it is capable of producing oxide-free deposits of hundreds of micrometer thickness with strong bonding to the substrate, based on ...
A Ilzhöfer, A Moridi, A Papyrin, AC Hall, AG Torre De la, AIH Committee, C Borchers, C Borchers, C Lee, CY Jeong, E Irissou, E Sansoucy, G Mrowka-Nowotnik, G Mrówka-Nowotnik, G Shayegan, H Rietveld, HE Chandler, J. W. Murray, K Ma, L León-Reina, M Guagliano, M. V. Zuccoli, MR Rokni, MR Rokni, MR Rokni, NB Maledi, P Coddet, P Scardi, R Huang, R Morgan, RC McCune, RS Lima, S Rech, T Suhonen, T. Hussain, W-Y Li, Z Arabgol, Z Li   +37 more
core   +2 more sources

Features of carbon nanotubes deposition on a polymer substrate by cold gas-dynamic spray technique [in English]

Вісник Національного технічного університету України «Київський політехнічний інститут імені Ігоря Сікорського»: Серія «Хімічна інженерія, екологія та ресурсозбереження»
Cold gas-dynamic spraying of carbon nanotubes onto polymer substrates is a promising technique for the formation of functional coatings. However, the process of particle deposition on polymer substrates remains insufficiently studied.
Олександр Володимирович Гондлях, Ілля Олексійович Янковський, Сергій Ігорович Антонюк   +2 more
doaj   +1 more source

The effect of the operating regimes of cold spraying gas heater on the heating temperature of compressed air

Авіаційно-космічна техніка та технологія
One of the key parameters in the cold gas dynamic spraying process, which affects the formation of the physical and mechanical properties of coatings and the powder utilization rate, is the velocity and temperature of powder particles upon impact with ...
Ihor Zorik, Oleksandr Shorinov, Serhii Nyzhnyk, Roman Ipatov, Dmytro Nahornyi   +4 more
doaj   +1 more source

Parametric Study of Exhaust Pattern in Cold Spray Using CFD and Particle-Wall Impact Analysis

Journal of Applied Fluid Mechanics, 2014
A numerical simulation of a cold gas dynamic spray process using a computational fluid dynamic (CFD) technique is presented. Distribution of particulate matter in the immediate surroundings of spray application site is of interest.
M. Karimi, G. W. Rankin, A. Fartaj
doaj