Witryna15 kwi 2024 · In this study, a Fe-based amorphous metallic coating (AMC) was sealed with three sealants, i.e., stearic acid, aluminum phosphate and cerium salt, respectively. Two types of electrochemical tests, namely the ex situ electrochemical impedance spectroscopy test and the in situ potentiostatic polarization test, were conducted to … Witryna31 sty 2000 · In addition, the microhardness analysis of the coatings showed that the WC-12Co coating deposited at 40 bar 800 °C had the highest (270 HV) hardness which was a good attribute for anti-wear ...
Erosion performance of coatings produced by shrouded plasma …
Witryna1 wrz 2002 · Liquid impingement erosion resistance of different coatings A liquid jet impingement erosion test facility has been designed and fabricated. After … Witryna18 lis 2016 · We use our Kermetico HVAF equipment to deposit tungsten carbide coatings that are wear-resistant and tough enough to be used at all angles of impingement. Unlike epoxy coatings, even 100 microns (0.004”) of our tungsten carbide coating is gas-tight, protecting an impeller base metal from corrosive agents as a … north london domestic abuse service
Sliding and erosion wear behaviour of thermal sprayed WC-Cr3C2 …
Witryna1 sie 2015 · The application of surface layers or coatings introduces a specific situation, that is the possibility that part of the body waves that are generated by liquid … Witryna25 paź 2024 · The wear rate of the HVOF coatings is the highest at 500 °C as 2.75 × 10 −5 mm 3 /N·m and drops to 1.896 × 10 −5 mm 3 /N·m at 700 °C, which is due to evolution tribo-oxide phases during the tribo-test. However, the wear rate of the APS coating is 3.7 times higher than that of the HVOF coating tested under the same … Witryna1 lip 2005 · In this paper, erosion–corrosion characteristics of self-fluxing Ni–Cr–Mo–Si–B coatings deposited onto carbon steel (BS970 EN8) and stainless steel (UNS S31603) substrates using a commercial high-velocity oxy-fuel (HVOF) thermal spray process are reported. The coatings were studied in as-sprayed, vacuum-sealed (by polymer … north london efw