Results 21 to 30 of about 3,872 (220)

بررسی قابلیت پوشش‌دهی SiC توسط فرآیندهای APS و HVOF از طریق روکش کاری نیکل-فسفر بر پودر اولیه [PDF]

نشریه مهندسی متالورژی و مواد
در این تحقیق، از پودر کاربید سیلیسیم (SiC) با اندازه ذرات 30 تا 45 میکرومتر و مورفولوژی نامنظم، جهت پوشش‌دهی در حمام الکترولس نیکل استفاده شد. تاثیر پارامترهای خشن‌سازی سطح ذرات در محلول اسیدی و زمان فرآیند الکترولس بر یکنواختی و ضخامت پوشش Ni-P روی ذرات
پژمان زمانی مقدم, ضیاء والفی, مسعود میرجانی   +2 more
doaj   +1 more source

Electrochemical Corrosion Behavior of High Velocity Oxy-Fuel (HVOF) Superalloy Coatings On Ductile Irons

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2019
In this study, alloyed and unalloyed ductile irons(DI) were coated with two different Ni-based superalloy materials by HVOFmethod. Microstructure and phase analyzes of the coatings were performed byusing SEM, EDX, XRD methods.
Yusuf Kayalı, Aysel Büyüksağiş, Şükrü Talaş, Muhammet Karabaş, Yılmaz Yalçın   +4 more
doaj   +1 more source

Tensile and fatigue strength of SUS304 stainless steel repaired by a high velocity oxy-fuel thermal spraying

Nihon Kikai Gakkai ronbunshu, 2018
Tensile and fatigue tests were conducted on type 304 stainless steel plate-shaped specimens repaired by High Velocity Oxy Fuel (HVOF) spraying. Specimen surfaces were machined for repair into trapezoid with the same depth, the same length, and various ...
Masayuki ARAI, Tatsuo SUIDZU
doaj   +1 more source

Investigating load-dependent wear behavior and degradation mechanisms in Cr3C2–NiCr coatings deposited by HVAF and HVOF

Journal of Materials Research and Technology, 2021
Wear resistant coatings that comply with non-toxic environment goals are highly desirable. Cr3C2–NiCr is a promising alternative to the toxic, ‘Co’- containing WC–Co coatings to mitigate wear.
Satyapal Mahade, Antonio Mulone, Stefan Björklund, Uta Klement, Shrikant Joshi   +4 more
doaj   +1 more source

High-Velocity Oxygen Fuel (HVOF) Reinforcement of Amorphous Materials: A Pathway to Superior Wear and Corrosion Resistance [PDF]

INCAS Bulletin
The escalating demand for advanced structural materials with superior wear and corrosion resistance in aeronautical and military applications has spurred interest in amorphous alloys, particularly metallic glasses, due to their non-crystalline atomic ...
Emilia DOBRIN, Alin-Constantin MURARIU
doaj   +1 more source

Experimental Investigation of the Effect of Brake Disconnished by Hvof Method

International Journal of Automotive Science and Technology, 2019
In this study; brake discs used in vehicles have investigated. The behavior of these discs during braking, wear and braking distance performance of the coated and uncoated surfaces during the braking process were evaluated.
Salih Karanfi̇l, Faruk Emre Aysal, Mehmet Çakmakkaya, Hüseyin Bayrakçeken, Mustafa Babagi̇ray   +4 more
doaj   +1 more source

Effect of tribological conditions for properties thermal spraying

Production Engineering Archives, 2017
The present contribution deals with the influence of tribological conditions on coating quality. Two types of coatings were selected for analysis WC-WB-CO and WC-FeCrAl, to advise that a new type of coating - carbide green. These coatings were applied to
Landová Mariana, Brezinová Janette
doaj   +1 more source

Corrosion and wear protection of AISI 4140 carbon steel using a laser-modified high-velocity oxygen fuel thermal sprayed coatings

Journal of Electrochemical Science and Engineering, 2022
Inconel and micro and nano WC-12Co powders were deposited on AISI 4140 carbon steel by high-velocity oxy fuel (HVOF) coating and followed by laser surface modification. Laser power and scan speed were varied at different levels.
Shanmugasundaram Sivarajan, Adwait Joshi, Karthikeyan C. Palani, Raghupathy Padmanabhan, Joseph T. Stokes   +4 more
doaj   +1 more source

Influence of commercial MCrAlY powders on thermal cycling behaviors of TBCs with nano-structured YSZ

Journal of Aeronautical Materials
This study investigates the thermal cycling behavior of HVOF-MCrAlY combined with APS-nanostructured YSZ（nYSZ） thermal barrier coatings（TBCs） produced using three commercial MCrAlY powders commonly utilized by gas turbine original equipment manufacturers（
LI Chao, CHENG Yuxian, WANG Lu, CHEN Weijie   +3 more
doaj   +1 more source

Caracterización de las propiedades de resistencia a la oxidación y desgaste de recubrimientos de proyección térmica de alta velocidad para la protección de incineradoras de residuos sólidos urbanos

Revista de Metalurgia, 2008
En el presente trabajo se muestra la obtención, mediante la proyección térmica de alta velocidad (HVOF), de recubrimientos que presentan buenas prestaciones para la protección contra los procesos de erosión y oxidación que ocurren en el interior de las ...
J. M. Guilermany, M. Torrel, S. Dosta, J. R. Miguel   +3 more
doaj   +1 more source