Effect of variation of chromium oxide on the properties and slurry erosion behaviour of aluminium oxide-based composite coatings on turbine steel under simulated conditions

2018 ◽  
Vol 9 (4) ◽  
pp. 291 ◽  
Author(s):  
Khushdeep Goyal
Keyword(s):  
Chromium Oxide ◽  
Composite Coatings ◽  
Aluminium Oxide ◽  
Slurry Erosion ◽  
Erosion Behaviour ◽  
Turbine Steel

Slurry erosion behaviour of HVOF sprayed WC–10Co–4Cr and Al2O3+13TiO2 coatings on a turbine steel

Wear ◽  
2012 ◽  
Vol 289 ◽  
pp. 46-57 ◽  
Author(s):  
Deepak Kumar Goyal ◽  
Harpreet Singh ◽  
Harmesh Kumar ◽  
Varinder Sahni
Keyword(s):  
Slurry Erosion ◽  
Erosion Behaviour ◽  
Turbine Steel

Chemical deposition of hard composite coatings Ni–Cu–P–Cr2O3

2020 ◽  
pp. 179-181
Author(s):  
A.A. Abrashov A.A. ◽  
E.G. Vinokurov ◽  
M.A. Egupova ◽  
V.D. Skopintsev
Keyword(s):  
Chromium Oxide ◽  
Alkaline Solution ◽  
Composite Coatings ◽  
Chemical Deposition ◽  
Alkaline Solutions ◽  
Functional Surface ◽  
Heat Treated ◽  
Weakly Acid Solution ◽  
Coating Composition ◽  
Weakly Acidic Solution

The technological (deposition rate, coating composition) and functional (surface roughness, microhardness) characteristics of chemical composite coatings Ni—Cu—P—Cr2O3 obtained from weakly acidic and slightly alkaline solutions are compared. It is shown that coatings deposited from slightly alkaline solution contain slightly less phosphorus and chromium oxide than coatings deposited from weakly acid solution (2...3 % wt. phosphorus and up to 3.4 % wt. chromium oxide), formed at higher rate (24...25 microns per 1 hour of deposition at temperature of 80 °C), are characte rized by lower roughness and increased microhardness. The Vickers microhardness at 0.05 N load of composite coatings obtained from slightly alkaline solution and heat-treated at 400 °C for 1 hour is 13.5...15.2 GPa, which is higher than values for coatings deposited made of weakly acidic solution. The maximum microhardness of coatings is achieved at concentration 20 g/l of Cr2O3 particles. The technology of chemical deposition of Ni—Cu—P—Cr2O3 coatings formed in slightly alkaline solution is promising for obtaining of materials with increased hardness and wear resistance.

Slurry erosion behaviour and mechanism of HVOF sprayed micro-nano structured WC-CoCr coatings in NaCl medium

2020 ◽  
Vol 148 ◽  
pp. 106315 ◽  
Author(s):  
Yan Huang ◽  
Xiang Ding ◽  
Cheng-Qing Yuan ◽  
Zhong-Kun Yu ◽  
Zhang-Xiong Ding
Keyword(s):  
Slurry Erosion ◽  
Erosion Behaviour

Slurry erosion behaviour of marble powder filled needle punched nonwoven reinforced epoxy composite: an optimization using Taguchi approach

2019 ◽  
Vol 6 (10) ◽  
pp. 105318 ◽  
Author(s):  
Ankush Sharma ◽  
Vinayaka R Kiragi ◽  
Mahavir Choudhary ◽  
Sampad Kumar Biswas ◽  
Amar Patnaik
Keyword(s):  
Epoxy Composite ◽  
Taguchi Approach ◽  
Slurry Erosion ◽  
Erosion Behaviour ◽  
Marble Powder
Sign in / Sign up

Export Citation Format

Share Document