Browsing Mohd Nazree Derman, Assoc. Prof. Dr. by Title
Now showing items 16-35 of 66
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Effect of alloying elements (Ni and Cr) on density and hardness of Co alloy fabricated by powder metallurgy
(Universiti Malaysia Perlisp.1-5, 2009-12-01)Influences of Ni and Cr addition on the properties of powder metallurgy Co base alloys were investigated. The alloys were produced by powder metallurgy technique and sintered under argon atmosphere. Scanning electron ... -
Effect of anodizing parameters on the growth of porous anodic aluminum oxide on al-mn alloys
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)In this study, the effect of manganese content, anodizing voltage and concentration of electrolyte on pore nucleation process during anodizing was studied from current density versus time transient. It was found that the ... -
Effect of anodizing voltage on the morphology and growth kinetics of porous anodic alumina on Al-0.5 wt% Mn alloys
(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 Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques
(Universiti Malaysia PerlisSchool of Microelectronic Engineering and Institute of Nano Electronic Engineering (INEE), 2009-12-21)The aim of the study is to identify the effect of Ca in Mg-Mn alloy on electrochemical corrosion behaviour for development of high performance sacrificial anode. Mg alloys were fabricated by casting technique under an ... -
Effect of deposition time on properties of ZrO2 coating prepared using electrolytic method
(Trans Tech Publications, 2013)AISI 440C martensitic stainless steel is one of the most widely studied engineering materials for its tribological properties. It is capable of attaining the best mechanical properties such as high strength and hardness ... -
Effect of electrolyte concentration on the growth of porous anodic aluminium oxide (AAO) on Al-Mn alloys
(Trans Tech Publications, Switzerland, 2012-12)In this study, the effect concentration of electrolyte on pore nucleation process during anodizing was investigated. It was found that the concentration of oxalic acid influenced the morphologies and regularities of porous ... -
The effect of electrolyte temperature on formation of porous aluminium oxide films in anodising process
(AENSI Publisher All rights reserved, 2013-10)A porous aluminium oxide film formed on aluminium was prepared in a mixed electrolyte of phosphoric acid and acetic acid solution. The morphology, growth and thickness of the film were investigated. The anodising process ... -
Effect of heat treatment on microstructure and corrosion behavior of Az91d magnesium alloy
(Trans Tech Publications, 2013)An AZ91D ingot in the as-cast condition was homogenized by heat treatment process. Then, the microstructures produced and corrosion behaviour after heat treatment was studied in detail. As-cast AZ91D was recrystallize by ... -
The effect of heat treatment on the anode efficiency of Magnesium sacrificial anode
(Universiti Malaysia Perlis, 2009-12-01)High efficiency sacrificial anode from Mg alloy is needed as it has higher capability of protecting underground metal structure against corrosion in cathodic protection. Solution treatment was applied to Mg sacrificial ... -
The effect of heat treatment on the open circuit potential of magnesium sacrificial anode
(University of Malaya, 2009)Magnesium sacrificial anode that possess high value of open circuit potential, Eoc is needed as it can protect larger area of underground metal structure in cathodic protection. Solution treatment was applied on magnesium ... -
Effect of manganese content on the fabrication of porous anodic alumina
(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 ... -
Effect of sintering on the physical and mechanical properties of Co-Cr-Mo (F-75)/HAP composites
(Universiti Kebangsaan Malaysia, 2013-12)This paper reports on the effects of HAP addition and sintering temperature on the microstructure and properties of the F-75/HAP composites fabricated by powder metallurgy. Co-Cr-Mo (F-75) is used in orthopedics because ... -
Effect of solution treatment on Mg galvanic anodes in CaSO4 – MG(OH)2 aqueous solution
(PETRONAS, 2009-07-20)The effect of heat treatment on the Mg anode was investigated in CaSO4-Mg(OH)2 aqueous solution. The Mg sample was solutionised at 150oC, Pure and untreated Mg anode were also studied as a reference. Eoc and Tafel corrosion ... -
Effect of temperature of oxalic acid on the fabrication of Porous anodic alumina from Al-Mn alloys
(Hindawi Publishing Corporation, 2013)The influence of temperature of oxalic acid on the formation of well-ordered porous anodic alumina on Al-0.5 wt% Mn alloys was studied. Porous anodic alumina has been produced on Al-0.5 wt% Mn substrate by single-step ... -
The effects of autocatalyst copper coating of SiCp on the microstructure of CuSiCp composites
(Universiti Malaysia Perlis, 2009-12-01)In this paper, the autocatalyst copper coating (ACC) of silicon carbide particle (SiCp) was performed after a sequence of surface treatment, sensitization and surface activation processes. The ACC process was operated ... -
Effects of Magnesium addition on corrosion behaviour of Al-Mg composite fabricated using Powder Metallurgy method
(Universiti Kebangsaan Malaysia (UKM), 2008-12-03)The study was focusing the effects of magnesium addition on corrosion behaviour of PM Al composite. The corrosion behaviour between PM Al composite reinforced with short fibres alumina Saffil™ with and without 2 wt% of ... -
Electrical properties of chitosan-ferredoxin film
(American-Eurasian Network for Scientific Information (AENSI), 2013)In this study, chitosan was blended with ferredoxin to further improve the electrical properties of sensing film. Chitosan powder was dissolved in 2% of acetic acidand blended with ferredoxin. The mixture was subsequently ... -
Electrochemical behaviour of PM Al-Mg composites reinforced with alumina saffil short fibres
(Universiti Malaysia Perlis, 2009-12-01)The electrochemical behaviour of powder metallurgy (PM) Al-Mg composites, PM Al composites and PM Al-Mg alloy have been compared with standard PM Al in 3.5 wt% NaCl. The effects of alumina Saffil short fibres reinforcement ... -
Electrochemical characterisation of hybrid activators for aluminium sacrificial anodes in natural sea water
(Malaysian Citation Centre & Ministry of Education, 2013)This paper reports on the electrochemical behaviour of as-cast Al-Zn-Mg alloys activated by tin (Sn) and ruthenium dioxide (RuO2) in natural sea water. The potential and advantages of Sn and RuO2 as hybrid activators in ... -
Electrochemical corrosion behaviour of Mg-(Ca,Mn) sacrificial anodes
(Trans Tech Publications, 2013)The aim of the study is to identify the effect of Ca in Mg-Mn alloy on electrochemical corrosion behavior for the development of high performance sacrificial anode. Mg alloys were fabricated by casting technique under an ...