Microstructure performance enhancement of Si 3 N 4 reinforced laser clad KF110 base composite coatings

2021 ◽  
Author(s):  
Zhao Zhang ◽  
Jianing Li ◽  
Xigui Sun ◽  
Fukun Ma ◽  
Zhuanzhuan Zhang ◽  
...  
Keyword(s):  
Performance Enhancement ◽  
Composite Coatings ◽  
Base Composite

Laser cladding Ni-base composite coatings reinforced by in-situ synthesized multiple carbide particles

2008 ◽  
Author(s):  
Ruiquan Kang ◽  
Mingxing Ma ◽  
Wenjin Liu ◽  
Minlin Zhong ◽  
Yide Kan ◽  
...  
Keyword(s):  
Laser Cladding ◽  
Composite Coatings ◽  
Base Composite ◽  
Carbide Particles

Microstructure and corrosion resistance of Ni/Cr3C2-NiCr composite coating

2019 ◽  
Vol 66 (4) ◽  
pp. 471-478 ◽  
Author(s):  
Majid Hosseinzadeh ◽  
Abdol Hamid Jafari ◽  
Rouhollah Mousavi ◽  
Mojtaba Esmailzadeh
Keyword(s):  
Corrosion Resistance ◽  
Composite Coating ◽  
Design Methodology ◽  
Electrochemical Impedance ◽  
Composite Coatings ◽  
Thermal Spraying ◽  
Content Type ◽  
Bath Solution ◽  
Electrochemical Deposition Method ◽  
Base Composite

Purpose In this study, electrochemical deposition method which have cheaper equipment than thermal spraying methods and is available for the production of composite coatings were used. Design/methodology/approach Composite coatings were electrodeposited from a Watts's bath solution in which the suspended Cr3C2-NiCr particles were dispersed in the bath solution during deposition. Potentiodynamic polarization and electrochemical impedance spectroscopy techniques have been used to evaluate the corrosion resistance of the composite coating in the 3.5 Wt.% NaCl solution. Findings It was found that the submicron Cr3C2-NiCr particles distributed uniformly in the coating and depend on the current density of deposition, different amount of particles can be incorporated in the coating. The results showed that the corrosion resistance of the Ni/ Cr3C2-NiCr composite coatings is more comparable to the pure nickel coating. Originality/value Production of Ni-base composite coating from an electrolytic bath containing Cr3C2-NiCr particles is possible via electrodeposition.

scholarly journals Morphology, Hardness, and Wear Properties of Ni-Base Composite Coating Containing Al Particle

Coatings ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 346
Author(s):  
Rouhollah Mousavi ◽  
Flavio Deflorian ◽  
Mohammad Ebrahim Bahrololoom
Keyword(s):  
Current Density ◽  
Composite Coatings ◽  
Critical Value ◽  
Wear Properties ◽  
Properties Of Coatings ◽  
Particle Content ◽  
Plating Bath ◽  
Al Composite ◽  
Coating Composition ◽  
Base Composite

Ni–Mo/Al composite coatings were obtained by electrodeposition from a Ni–Mo plating bath containing suspended Al particles. The factors including temperature, current density, and stirring rate affecting coating composition, wear, roughness, and morphology have been studied. It was found that properties such as hardness, roughness, wear, and the Al particle content showed parabolic behavior when changing each parameter. That means that there is a critical value for the mentioned parameters at which the properties of coatings become maximal.

CRACKING BEHAVIOR OF CERAMIC PARTICLES REINFORCED NI-BASE ALLOYS COMPOSITE COATING BY LASER CLADDING

2005 ◽  
Vol 12 (01) ◽  
pp. 7-12 ◽  
Author(s):  
WEIPING ZHANG ◽  
SHUO LIU
Keyword(s):  
Laser Cladding ◽  
Metal Matrix ◽  
Composite Coatings ◽  
Medium Carbon Steel ◽  
Coating Materials ◽  
Cracking Behavior ◽  
The Matrix ◽  
Base Composite ◽  
The Difference ◽  
Transformation Stress

In-situ synthesized TiB2 particles reinforced Ni-base composite coatings with different compositions were fabricated on medium carbon steel using laser cladding. Cracking behavior in different coatings was studied by microanalysis. Results show that the coating quality is good with optimal laser parameters and coating compositions; whereas the cracks formed in the coating with high content of ceramic phases mainly include the following: the transcrystalline cracks in the bonding metal matrix, the high density cracks in the edge of the coating, micro-cracks on the interface of the matrix and the hardy ceramic phases and in the vicinity of the bonding interface in the heat-affected zone etc. Cracking behavior in the coating is mainly attributed to the thermal stress induced by the difference of the thermal expansion coefficient of the coating materials and the metal matrix, and the phase transformation stress plays an important role too.

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