Browsing School of Materials Engineering (Articles) by Author "zainal@eng.usm.my"
Now showing items 1-14 of 14
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Characterization and phase evolution of cordierite based glass synthesis from pure oxide and minerals
Banjuraizah, Johar; Hasmaliza, Mohamad; Zainal Ariffin, Ahmad (Trans Tech Publications, Switzerland, 2011)α Cordierite is very important phase in MgO-Al2O 3-SiO2 system because of their very outstanding thermal, chemical and electrical properties. In this presents study non-stoichiometry cordierite (MgO:Al2O3:SiO2 = 3:1.5:5) ... -
Compaction optimization of Sn-Cu-Si3N4via powder metallurgy route for composite solder fabrication
Muhamad Hafiz, Zan @ Hazizi; Mohd Arif Anuar, Mohd Salleh; Zainal Arifin, Ahmad, Prof.; Mohd Mustafa Al-Bakri, Abdullah; Alida, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Trans Tech Publications, 2013)The aim of this study was to optimize the compaction process of a composite solder fabricated via powder metallurgy route, before details study were conducted in the next stage. Powder of Sn, Cu and Si3N4 were carefully ... -
Compressive and wear resistance of alumina reinforced fe-cr matrix composites
Saidatulakmar, Shamsuddin; Shamsul Baharin, Jamaludin, Prof. Dr.; Zuhailawati, Hussain; Zainal Arifin, Ahmad (Scientific.Net, 2012-12)Fe-Cr matrix composite reinforced with alumina with mean powder sizes of 13, 23, 24 and 64 μm was successfully obtained through powder metallurgy method. The powder mixture were blended at a rotating speed of 250 rpm for ... -
The effect of loading rates and particle geometry on compressive properties of polypropylene/zinc oxide nanocomposites: Experimental and numerical prediction
Mohd Firdaus, Omar; Hazizan, Md Akil; Zainal Arifin, Ahmad; Shahrom, Mahmud, Dr. (Society of Plastics Engineers, 2012-01)Compressive properties, of particulate filled polymer matrix composites, are affected (to a certain extent) by the geometry of the particles, as well as the loadingrates. Therefore, this article presents the results on the ... -
Effect of molecular structures on dynamic compression properties of polyethylene
Mohd Firdaus, Omar; Hazizan, Md Akil; Zainal Arifin, Ahmad (Elsevier B.V., 2012-03)The properties of polymers are strongly affected by their molecular structures. Therefore, three different types of polyethylene; low density, low-linear density and high density polyethylene were used in this study to ... -
Effect of particle sizes on rate sensitivity and dynamic mechanical properties of polypropylene/silica (PP/Sio2) nanocomposites
Mohd Firdaus, Omar; Hazizan, Md Akil; Zainal Arifin, Ahmad (Trans Tech Publications, 2012)Filler-related characteristic such as particle size, shape and geometry are essential factors that need to be considered during the evaluation of the material's performance especially in the area of particle filled composites. ... -
The effects of Al2O3 amount on the microstructure and properties of Fe-Cr matrix composites
Saidatulakmar, Shamsuddin; Shamsul Baharin, Jamaludin, Prof. Dr.; Zuhailawati, Hussain; Zainal Ariffin, Ahmad (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 ... -
Machining performance of reinforced alumina insert in end milling of AISI 1018 steel
Mohd Nor Hakim, Hassan; Mohammad Ikhwan Zaini, Ridzwan; Zainal Arifin, Ahmad, Prof.; Mohd Mustafa Al Bakri, Abdullah; Azman, Ahmad Bakir; Mazlan, Mohamed (Trans Tech Publications, 2013-09)The main goal of this work is to investigate the performance of zirconia toughened alumina (ZTA) and ZTA reinforced with magnesium oxide (MgO) used as cutting insert in end milling of AISI 1018 steel with hardness of 27 ... -
Mechanical properties of Sn-0.7Cu/Si 3N 4 lead-free composite solder
Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al-Bakri, Abdullah; Muhammad Hafiz, Zan Hazizi; Flora, Somidin; Noor Farhani, Mohd Alui; Zainal Arifin, Ahmad, Prof. (Elsevier B.V., 2012-10)The use of reinforcing high performance ceramic particulates in monolithic lead-free solder is one way to improve the service temperature and mechanical behavior of a solder joint. In this study, various compositions of ... -
Microstructure evolution of Sn-3.5Ag-1.0Cu-0.5Ni/Cu system lead free solder under long term thermal aging
Noor Asikin, Ab Ghani; Iziana, Yahya; Mohd Arif Anuar, Mohd Salleh; Saidatulakmar, Shamsuddin; Zainal Arifin, Ahmad; Ramani, Mayappan (Scientific.Net, 2012-12)Due to environmental concerns, lead-free solders were introduced in replacing the lead-based solders in microelectronics devices technology. Although there are many lead-free solder available, the Sn-Ag-Cu solder was ... -
The sensing mechanism and detection of low concentration acetone using chitosan-based sensors
Tulus Ikhsan, Nasution; Irwana, Nainggolan, Dr.; Sabar Derita, Hutagalung, Dr.; Khairel Rafezi, Ahmad, Dr.; Zainal Arifin, Ahmad (Elsevier B. V., 2013)This paper aims to discuss the usage of chitosan film sensors to detect acetone concentrations in human breath, in order to precisely diagnose diabetes mellitus in patients. Acetone concentration in the breath varies from ... -
Static and dynamic compressive properties of polypropylene/zinc oxide nanocomposites
Mohd Firdaus, Omar; Hazizan, Md Akil; Zainal Arifin, Ahmad, Prof.; Shahrom, Mahmud (Wiley Periodicals, Inc., 2014-04)The effect of strain rate is widely recognized as an essential factor that influences the mechanical properties of polymer matrix composites. Despite its importance, no previous work has been reported on the high-strain ... -
Synthesis and characterization of xMgO-1.5Al2O3-5SiO2 (x = 2.6-3.0) system using mainly talc and kaolin through the glass route
Banjuraizah, Johar; Hasmaliza, Mohamad; Zainal Arifin, Ahmad (Elsevier B.V., 2011-10-03)Three non-stoichiometric cordierite with compositions of xMgO-1.5Al2O3-5SiO2 (x = 2.6-3.0 mol) were synthesized using mainly talc and kaolin through the glass route. The densification and crystallization behaviors of these ... -
Synthesis and characterization of xMgO-1.5Al2O3-5SiO2 (x = 2.6-3.0) system using mainly talc and kaolin through the glass route
Banjuraizah, Johar; Hasmaliza, Mohamad; Zainal Ariffin, Ahmad (Elsevier B.V., 2011-10-03)Three non-stoichiometric cordierite with compositions of xMgO-1.5Al2O3-5SiO2 (x = 2.6-3.0 mol) were synthesized using mainly talc and kaolin through the glass route. The densification and crystallization behaviors of these ...