Browsing Shamsul Baharin Jamaludin, Prof. Dr. by Issue Date
Now showing items 21-40 of 87
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The influence of welding parameters and corrosive environment on the joint strength of resistance spot-welded mild steel sheets
(Universiti Malaya, 2009)In the present work, mild steel sheets consisting two batches were welded by resistance spot welding at different welding parameters and exposed under different environments. The 5% sodium chloride brine was used in the ... -
Microstructural study and differential scanning alorimetry analysis at elevated temperatures of uperheated as-cast A357 alloy
(University of Malaya, 2009)The microstructure of superheated as-cast A357 alloy has been analysed to study the solidification structures of α-Al dendrites, eutectic Si particles and intermetallic compounds at different sections of the specimen. The ... -
Simultaneous extraction and separation of Cu(II), Zn(II), Fe(III) and Ni(II) by polystyrene microcapsules coated with Cyanex 272
(Elsevier B.V, 2009-02)The preparation of polystyrene microcapsules coated with Cyanex 272 (MC-Xs) have been investigated and simultaneous extraction and separation behavior of Cu(II), Zn(II), Fe(III) and Ni(II) in both batch and packed column ... -
Studies on mechanical alloying of Copper-Tungsten Carbide composite for spot welding electrode
(Springer New York, 2009-02-27)This article presents a study on the properties and performance of copper-based composite reinforced with recycled tungsten carbide powder as spot welding electrode. The copper-tungsten carbide composite electrode was ... -
Extraction and separation of Cu(II), Ni(II) and Zn(II) by sol-gel silica immobilized with Cyanex 272
(Elsevier B.V., 2009-03)The extraction and separation of Cu(II), Ni(II) and Zn(II) from aqueous sulfate-acetate solution were carried out using solid phase sol-gel silica containing immobilized Cyanex 272 {bis(2,4,4-trimethylpentyl)phosphinic ... -
Synthesis of sol-gel silica chemically bonded with cyanex 272 for the removal of Cu(II), Ni(II), and Zn(II)
(Springer Netherlands, 2009-05)This article reported on the synthesis of SSCBB, a new solid-phase, sol-gel silica chemically bonded with [bis (2,4,4-trimethylpentyl) phosphinate], (BTMPP, anion of Cyanex 272) prepared with a sol-gel method, and its ... -
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 ... -
Studies on mechanical alloying of copper-tungsten carbide composite for spot welding electrode
(Springer New York, 2009-12)This article presents a study on the properties and performance of copper-based composite reinforced with recycled tungsten carbide powder as spot welding electrode. The copper-tungsten carbide composite electrode was ... -
The effects of solutionizing temperatures on microstructures of as-received A357 alloy
(Universiti malaysia Perlis, 2009-12-01)Solution treatment has been carried out on as-received A357 alloy at two solution treatment temperatures of 530ºC and 550ºC for 11 hours. The microstructural study was performed by using optical microscope. Optical ... -
The effects of welding current and welding duration on the shear strength of spot welded austenitic stainless steel
(Universiti Malaysia Perlis, 2009-12-01)Introduction: Resistance spot welding is commonly employed in the fabrication of sheet metal assembly. It can be applied to join metals such as low carbon steel, nickel, aluminum, titanium, copper alloy, stainless steel ... -
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 ... -
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 ... -
Characterization of F75-HAP produced by Powder Metallurgy method
(Universiti Malaysia Perlis, 2009-12-01)This research was carried out to study the properties of Co-Cr-Mo filled with different composition of HAP that have been prepared by powder metallurgy method. The raw materials used in this research were Co-Cr-Mo powder ... -
Microstructure and microhardness properties of Fe-Cr-Al2O3 composites
(Universiti Putra Malaysia (UPM), 2010)The requirement for high performance materials of high wear and corrosion resistance lead to an increasing interest in ferrous matrix composites. Metal matrix composite of iron-chromium reinforced with alumina was fabricated ... -
Comparison of dynamic mechanical properties of non-superheated and superheated A357 alloys
(Slovak Academy of Sciences, 2010-03-01)The influence of superheat treatment on the microstructure and dynamic mechanical properties of A357 alloys has been investigated. The study of microstructure was performed by optical microscope. Dynamic mechanical ... -
Development of coconut fiber with the addition of fly ash for cement panel application in construction
(Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)Natural fibers exist in large quantities and have been classified as waste materials. Coconut fiber is one of them and it is used as addition in fabrication of cement panel. Industrial waste materials such fly ash is ... -
Physical properties of FG HAP-F75 fabricated by powder metallurgy
(Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)Functional graded (FG) HAP-F75 was prepared by powder metallurgy technique. Three layers of functional graded HAP-F75 was fabricated using single punch hydraulic press. The fabrication technique consists of mixing, pressing ... -
Preliminary study of hap addition to Co-Cr-Mo alloy fabricated by powder metallurgy method
(SIRIM, 2010-11-22)This preliminary study of HAP addition in Co-Cr-Mo (F-75) was carried out by powder metallurgy method. The lab work comprises the mixing of Co-Cr-Mo with different HAP (hydroxyapatite) composition which varied from 0 wt. ... -
The effects of Al2O3 amount on the microstructure and properties of Fe-Cr matrix composites
(Springer, 2010-12)Iron based matrix composites reinforced with 5 to 25 wt pct of Al2O3 particles were fabricated using the powder metallurgy method. The samples were prepared by mixing at 250 rpm for 30 minutes, uniaxially pressing at 750 ...