Browsing Uda Hashim, Prof. Ts. Dr. by Author "Voon, Chun Hong"
Now showing items 1-5 of 5
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Effect of anodizing voltage on the morphology and growth kinetics of porous anodic alumina on Al-0.5 wt% Mn alloys
Voon, Chun Hong; Mohd Nazree, Derman, Dr.; Uda, Hashim, Prof. Dr.; Foo, Kai Loong; Tijjani Adam, Shuwa (Trans Tech Publications, 2014)In this study, the effect of anodizing voltage on the morphology of porous anodic alumina and growth kinetics of anodizing of aluminium manganese alloy was reported. It was found that the increasing anodizing voltage affect ... -
Effect of manganese content on the fabrication of porous anodic alumina
Voon, Chun Hong; Mohd Nazree, Derman, Dr.; Uda, Hashim, Prof. Dr. (Hindawi Publishing Corporation, 2012)The influence of manganese content on the formation of well-ordered porous anodic alumina was studied. Porous anodic alumina has been produced on aluminium substrate of different manganese content by single-step anodizing ... -
The Impacts of Platinum Diffusion to the Reverse Recovery Lifetime of a High Power Diode Devices
C.M., Cheh; Mohd Khairuddin, Md Arshad; Ruslinda, Abdul Rahim; C., Ibau; Voon, Chun Hong; Ramzan, Mat Ayub; Uda, Hashim (EDP Sciences, 2016)The reverse recovery lifetime of a diode is one the key parameter in power electronics market. To make a diode with fast switching speed, diodes are often doped with impurities such as gold and platinum to improve its ... -
A simple one-step anodising method for the synthesis of ordered porous anodic alumina
Voon, Chun Hong; Mohd Nazree, Derman, Dr.; Uda, Hashim, Prof. Dr.; Khairel Rafezi Ahmad, Dr.; Ho, Li Ngee (Taylor & Francis, 2014)Porous anodic alumina (PAA) has been produced on aluminium substrate by single-step anodising at 50 V in 0.3 M oxalic acid at 15°C for 60 min. The highly ordered pore and cell structure was achieved by subjecting the PAA ... -
Synthesis of silicon carbide nanotubes from carbon nanotubes and silicon dioxide by microwaves irradiation
Voon, Chun Hong; Mohd Nazri, Derman; Uda, Hashim, Prof. Dr.; Jasni; S., Samad (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)In this study, an attempt to fabricate silicon carbide nanotubes (SiCNTs) from the reactions between multiwalled carbon nanotubes (MWCNTs) and silicon dioxide (SiO2) is presented. Shape Memory Synthesis (SMS) method ...