Browsing by Author "Sun, Yong"
Now showing items 1-20 of 48
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Active screen plasma nitriding of 316 stainless steel for the application of bipolar plates in proton exchange membrane fuel cells
Lin, Kaijie; Li, Xiaoying; Sun, Yong; Luo, Xia; Dong, Hanshan (Article)Proton exchange membrane fuel cell (PEMFC) has attracted considerable interest because of its superb performance, and many researches are focused on the development of highperformance, long-life bipolar plates. Stainless ... -
AlN films deposited under various nitrogen concentrations by RF reactive sputtering.
Cheng, H.; Sun, Yong; Zhang, J. X.; Zhang, Y. B.; Yuan, S.; Hing, P. (Article)Wurtzite AlN films were deposited by an RF reactive sputtering technique under various nitrogen concentrations at low temperature (350°C). The evolution of preferred orientation and morphology of the deposited films were ... -
A comparative study of the mechanical behaviour of thermally oxidized commercially pure titanium and zirconium
Sun, Yong; Alansari, A. (Article)The objective of this study is to compare the mechanical behaviour of thermally oxidised commercially pure titanium (CP-Ti) and commercially pure zirconium (CP-Zr). For this purpose, these two bio-metals were thermally ... -
Contact mechanics modelling of surface engineered systems.
The ever-increasing demands for combined properties in modern machinery operating under ever more severe conditions have been the driver for the rapid developments of many advances surface engineering technologies. Designers ... -
Corrosion and Tribocorrosion Performance of Pack-Carburized Commercially Pure Titanium with Limited Oxygen Diffusion in a 0.9% NaCl Solution
Bailey, Richard; Sun, Yong (Article)In the research presented, the corrosion and tribocorrosion characteristics of pack carburized titanium with limited oxygen diffusion (PCOD-Ti) has been investigated using a 0.9 % NaCl solution. The carburization treatment ... -
Corrosion and tribocorrosion performance of thermally oxidized commercial pure titanium in a 0.9% NaCl solution
Bailey, Richard; Sun, Yong (Article)In the present work, the corrosion and tribocorrosion characteristics of thermally oxidized commercially pure titanium in a 0.9% NaCl solution have been investigated. Thermal oxidation (TO) of CP-Ti was carried out at a ... -
Corrosion behaviour of low temperature plasma carburised 316L stainless steel in chloride containing solutions.
Sun, Yong (Article)The electrochemical corrosion behaviour of the carburised (expanded austenite) layer on 316L austenitic stainless steel produced by low temperature plasma carburising has been studied in 0.5 MNaCl and 0.5 M HCl + 0.5 M ... -
Corrosion behaviour of sediment electro-codeposited Ni-Al2O3 composite coatings
Sun, Yong; Flis-Kabulska, I.; Flis, J. (Article)NieAl 2O3 composite coatings were produced by the sediment electro-codeposition (SECD) technique at various particle loadings and current densities. The submicron Al 2O3 particles were found to distribute uniformly in the ... -
Effect of electrochemical potential on tribocorrosion behavior of low temperature plasma carburized 316L stainless steel in 1 M H2SO4 solution.
Sun, Yong; Haruman, E. (Article)Low temperature plasma carburizing is a surface engineering technique developed for austenitic stainless steels to achieve combined improvements in tribological and corrosion resistant properties. However, very little ... -
Effect of layer thickness on the rolling-sliding wear behavior of low-temperature plasma-carburized austenitic stainless steel.
Dry rolling-sliding wear tests have been carried out in the present work to investigate the tribological behavior of the novel surface engineered layers produced on AISI 316 austenitic stainless steel by the low-temperature, ... -
Effect of oxidation time on the tribological behavior of thermally oxidized commercially pure zirconium under dry sliding conditions
Alansari, A.; Sun, Yong (Article)Thermal oxidation is an effective surface engineering technique to harden the surfaces of zirconium (Zr) and its alloys for improvement in friction and wear performance. In the present investigation, commercially pure ... -
Effect of Sliding Conditions on Micropitting Behaviour of AISI 304 Stainless Steel in Chloride Containing Solution
Sun, Yong; Bailey, Richard (Article)The tribo-electrochemical behaviour of AISI 304 austenitic stainless steel in 0.5M NaCl solution is investigated at an anodic potential of 70 mV(SCE) under controlled sliding and electrochemical conditions. It is found ... -
Effect of sliding conditions on the macroscale lubricity of multilayer graphene coatings grown on nickel by CVD
Sun, Yong; Kandan, K.; Shivareddy, S.; Farukh, Farukh; Bailey, Richard (Article)A multilayer graphene (MLG) coating was grown on a nickel substrate by atmospheric chemical vapor deposition (CVD). The macroscale dry sliding friction behavior of the coated specimens against a stainless steel counterface ... -
Hybrid plasma surface alloying of austenitic stainless steels with nitrogen and carbon.
Sun, Yong (Article)A hybrid plasma surface alloying process has been developed for austenitic stainless steels to improve their surface hardness, wear resistance and corrosion resistance. The process is carried out at temperatures below 450 ... -
Hydrogen evolution on plasma carburised nickel and effect of iron deposition from electrolyte in alkaline water electrolysis
Flis-Kabulska, I.; Flis, J.; Sun, Yong; Zakroczymski, T. (Article)Presence of carbon in electrodeposited nanocrystalline Ni-Fe-C cathodes renders a high electroactivity for hydrogen evolution reaction (HER) in hot alkaline solutions. In the present work carbon was introduced into nickel ...