Browsing Mohd Zamzuri Mohammad Zain, Dr. by Title
Now showing items 8-20 of 20
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Design and anaysis of thermoacoustic air conditioning system as environmental friendly device
(Trans Tech Publications, 2012-02)Thermoacoustic air conditioning system is a new technology design of cooling system which offers the possibility for simple and efficient energy conversion devices. This research is looking an alternative for CFC-contained ... -
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 ... -
Effect of NaVO3 concentration on corrosion resistance of conversion coating on AZ91D magnesium alloy
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)Anticorrosive oxide films were successfully prepared on AZ91D magnesium alloy by chemical conversion coating in La (NO3)3 electrolyte with and without NaVO3. The morphologies and chemical composition were characterized ... -
Effect of NaVO3 concentration on corrosion resistance of conversion coating on AZ91D magnesium alloy
(Trans Tech Publications, 2012)Anticorrosive oxide films were successfully prepared on AZ91D magnesium alloy by chemical conversion coating in La (NO3)3 electrolytes with and without NaVO3. The morphologies and chemical composition were characterized ... -
Electrodeposited ZnO-nanowire/Cu2O photovoltaic device with highly resistive ZnO intermediate layer
(American Chemical Society, 2014-07)Cl-doped ZnO-nanowire (Cl:ZnO-nws)/Cu2O photovoltaic devices were prepared by electrodeposition in aqueous solutions, and the effects of the insertion of the highly resistive ZnO (i-ZnO) layer has been demonstrated by an ... -
Improvement of Corrosion Resistance of Rare Earth Element (REE)-Based Anodic Oxidation Coating on AZ91D Magnesium Alloy
(Scientific.net, 2012-06-26)Anodization is a useful technique for forming protective films on magnesium alloys and improves its corrosion resistance. Based on the rare earth metal (REE) salt solution, the optimum parameter was selected by comparing ... -
Mechanical properties of microwave sintered 60YSZAl₂0₃/10HAP bioceramics composites
(Trans Tech Publications, 2014)Microwave heating technology promising shorter processing times and less energy consumption beneficial for economic perspective with improved properties and better microstructural control. This study focussed on microwave ... -
Photon-assisted electrochemical construction of <0001>-n-ZnO/<111>-p-Cu2O photovoltaic devices with intermediate TiO2 layer
(The Electrochemical Society (ECS), 2014-10)The <111>-Cu2O/<0001>-ZnO photovoltaic (PV) device has been constructed by a photon-assisted electrochemical reaction in aqueous solutions, and the effect of the insertion of the TiO2 layer prepared by a sol-gel technique ... -
Relationships validation between KPOV and KPIV using hypothesis tests
(Universiti Malaysia Perlis (UniMAP)Institut Matematik Kejuruteraan, 2010-06-02)Hypothesis tests are procedures for making rational decisions about the reality of effects. The objective of this paper was to determine the relationships between Key Process Output Variables (KPOV) and Key Process Input ... -
The study of lean layout in an automotive parts manufacturer
(Trans Tech Publications, 2012)The term "Lean" was the Japanese model and had been associated with the practice of interpreting the value added activities from those that are wasted ("muda" in Japanese) in an organization and its supply chain [1]. Apart ... -
A study on biocompatibility of gadolinium based anodizing coating AZ91D magnesium alloy in Simulated Body Fluid (SBF) solution
(Trans Tech Publications, 2014-06)Pure Mg and AZ91D alloy was anodized with and without the gadolinium nitrate Gd(NO3)3 in different concentrations (0.001g/l, 0.025g/l, 0.05g/l, 0.075g/l and 0.09g/l) at a constant current density and treatment time of ... -
Substrate type 〈111〉-Cu2O/〈0001〉-ZnO photovoltaic device prepared by photo-assisted electrodeposition
(Elsevier B.V., 2015-10)The substrate-type 〈0001〉ZnO/〈111〉Cu2O photovoltaic (PV) device has been constructed by electrodeposition of a 〈111〉-p-Cu2O layer on an Au(111)/Siwafer substrate followed by stacking the n-ZnO layer by electrodeposition ...