Nickel Matrix Composite Coatings: Application in Textile Machinery and Evaluation of Cotton Products Quality

2000 ◽  
Vol 78 (6) ◽  
pp. 223-226 ◽  
Author(s):  
P. Gyftou ◽  
E.A. Pavlatou ◽  
N. Spyrellis ◽  
K.S. Hatzilyberis
Keyword(s):  
Matrix Composite ◽  
Composite Coatings ◽  
Nickel Matrix

scholarly journals Finishing of Nickel Matrix Composite Coatings

2019 ◽  
Author(s):  
Tomasz Dyl ◽  
Robert Starosta
Keyword(s):  
Metal Matrix Composite ◽  
Matrix Composite ◽  
Metal Matrix ◽  
Internal Combustion Engines ◽  
Composite Coatings ◽  
High Surface ◽  
Metallic Matrix ◽  
Thermal Spraying ◽  
Nickel Matrix ◽  
Simple Technology

Metal matrix composite are used in such fields of technology, such as: aerospace, electronics, energy, industry, defense, automotive, aviation, shipbuilding, and more. Composite coatings of ceramic - metals is used primarily to enhance the durability of machine parts. Therefore, new materials are permanently looked for, what has resulted in the past in development of composite materials. The coatings dispersed are consisting of metallic matrix (metals and their alloys) and small non-metallic particles. The deposition of ceramic particles simultaneously with metallic matrix leads often to composite coatings possessing properties much better than those of metallic coating. The nickel and less often, other iron group elements are usually used as a matrix and Al2O3 as tough particles. The welding technology of applying alloy and composite coatings is widely used. The technology of infrasound thermal spraying of metal matrix composite coatings was presented. It is a simple technology and a very useful one in ship machinery regeneration during the cruise craft (e.g. internal combustion engines, torque pumps, separators). The metal matrix composite coatings must undergo finishing due to high surface roughness after application. In the article to used finishing by plastic working and machining of coatings nickel matrix composite was proposed.

Pulse Electrolysis for the Production of Hard Ni/ZrO2 Composite Coatings

2011 ◽  
Vol 312-315 ◽  
pp. 235-239 ◽  
Author(s):  
M.M. Dardavila ◽  
C. Kollia
Keyword(s):  
Matrix Composite ◽  
Metal Matrix ◽  
Composite Coatings ◽  
Morphological Characteristics ◽  
Nickel Matrix ◽  
Coating Materials ◽  
Pulse Electrolysis ◽  
Oxide Powders ◽  
Uniform Dispersion ◽  
A Current

Composite electrodeposition technology is one of the methods used to fabricate metal matrix composite coating materials. One of the most challenging issues concerns the addition of homogeneously suspending oxide powders, such as TiO2 and ZrO2 in the electrolyte, in order to result in the uniform dispersion of the oxide powders in the metal matrix [1]. Moreover, the application of a current periodically varied by time during electrodeposition, i.e. pulse current (p.c.) instead of the commonly used direct current (d.c.) has been concluded that leads to the preparation of surfaces with well-defined properties [2]. It is also well known that composite electrodeposits of Ni/metal oxides have remarkable mechanical and anticorrosion properties [3]. In this work nickel matrix composite electrocoatings including ZrO2 micron–sized particles were produced from an additive free Watts type bath under strong agitation conditions applying d.c. and p.c. regime. The synergetic action of the pulse application, the incorporation of the particles into the nickel matrix and the applied hydrodynamic conditions on the crystalline development, the morphological characteristics, the microhardness and the roughness of the composite electrocoatings, were studied.

scholarly journals Electrodeposition of Nickel matrix composite coatings via various Boride particles: A review

2021 ◽  
Vol 3 (7) ◽  
pp. 91-98
Author(s):  
Alireza Dordsheikh Torkamani ◽  
Mohammad Velashjerdi ◽  
Aqeel Abbas ◽  
Mohammad Bolourchi ◽  
Pabitra Maji
Keyword(s):  
Matrix Composite ◽  
Composite Coatings ◽  
Nickel Matrix ◽  
Electrodeposition Of Nickel

Microstructural and mechanical characterisation of electroplated nickel matrix composite coatings

2018 ◽  
Vol 35 (2) ◽  
pp. 177-188 ◽  
Author(s):  
David Mercier ◽  
Jean-François Vanhumbeeck ◽  
Matteo Caruso ◽  
Xavier Vanden Eynde ◽  
Mickaël Febvre
Keyword(s):  
Matrix Composite ◽  
Composite Coatings ◽  
Nickel Matrix ◽  
Mechanical Characterisation

Laser Fabricated In Situ (Ti,W)C Multi-Ceramics Reinforced Intermetallic Matrix Composite

2010 ◽  
Vol 154-155 ◽  
pp. 929-932
Author(s):  
Yao Ning Sun ◽  
Wen Lei Sun ◽  
Xu Dong Zhang ◽  
Qing Yu ◽  
Xin Mei Li
Keyword(s):  
Matrix Composite ◽  
Composite Coatings ◽  
In Situ Synthesis ◽  
Nickel Matrix ◽  
X Ray ◽  
Laser Process ◽  
Intermetallic Matrix ◽  
Intermetallic Matrix Composite ◽  
Ti Powder

Using laser cladding technique, Ni3(Si Ti) matrix composite coatings reinforced by in-situ synthesis (Ti,W)C multi-ceramics were fabricatcd by preplacing Ni78Si13Ti9( at%)powders containing different WC contents on the nickel-matrix superalloy substrate. The phases of coatings were investigated by scanning electron microscopy (SEM), X-ray diffractometer (XRD) and electron probe microanalysis (EPMA). Phases of the coatings mainly composed of Ni3(Si Ti), (Ti,W)C multi-ceramics A chemical reaction between WC particle and Ti powder occurs during the laser process, therefore (Ti,W)C was formed.

Studies and Research on the Corrosion Behavior of Ni-Al2O3 Compound Coatings Obtained by Electrochemical Methods

2020 ◽  
Vol 43 (3) ◽  
pp. 21-25
Author(s):  
Simona BOICIUC ◽  
◽  
◽  
Keyword(s):  
Corrosion Resistance ◽  
Corrosion Behavior ◽  
Corrosion Behaviour ◽  
Composite Coatings ◽  
Point Of View ◽  
Electrochemical Methods ◽  
Dispersed Phase ◽  
Nickel Matrix ◽  
Technical Alumina ◽  
Compound Coatings

The undertaken research which is described in this paper aims at the corrosion behaviour of composite coatings in nickel matrix using as dispersed phase technical alumina with dimensions of 5 μm and their characterization from a microstructural point of view. The corrosion resistance in the saline fog of the coatings is influenced by the microstructure, the stresses developed in the layer and the roughness.

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