Now showing items 61-80 of 125

    • Development of improved bottleneck-based heuristic for re-entrant flow shop with dominant machine at M1 and M4 

      Mohd Fidzwan, Md Amin Hamzas; Ahmad Bareduan, Salleh; Liyana, Tajul; Mohd Sabri, Hussin; Zailani, Zainal Abidin; Hasnul, Hadi (Praise Worthy Prize S.r.l., 2012-03)
      This project investigates the possibility of developing scheduling heuristic using bottleneck approach for a four machine permutation re-entrant flow shop with the process routing of M1,M2,M3,M4,M3,M4 where M1 and M4 have ...
    • Warpage optimization on ultra thin plate in three plate mold for PP, ABS & ABS+PC materials by using Taguchi method 

      Mohd. Nasir, Mat Saad; Norshah Afizi, Shuaib; Shayfull Zamree, Abd. Rahim; Mohd. Fathullah, Ghazli @ Ghazali; Nooraizedfiza, Zainon (Praise Worthy Prize S.r.l., 2012-03)
      The parameters setting of process conditions in injection molding process is very importance to ensure the quality of molded components is controlled by minimizing of any defects such as warpage. Various injection parameters ...
    • Classroom comfort ability assessment: A case study 

      Zailani, Zainal Abidin; R., Hamidon; Mohd Sabri, Hussin; Mohd Fidzwan, Md Amin Hamzas; Hasnul, Hadi (Praise Worthy Prize S.r.l., 2012-03)
      his study was conducted to evaluate the comfort level of an air-conditioned classroom at the School of Manufacturing Engineering campus using objective measurement, subjective assessment and Computational Fluid Dynamics ...
    • Optimization on parameter settings in determining warpage factors of a side-gated thin shallow part injection molding for PP, ABS & PC+ABS materials 

      Norshah Afizi, Shuaib; Muhamad Nasir, Murad; Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd Rahim; Muhammad Syahril, Bahari (Praise Worthy Prize S.r.l., 2012-05)
      The injection molding process of thin shallow part requires several concerns in order to produce a quality output. In part of determining the best parameter settings, among other considerations that need to be taken are ...
    • Improvement of Corrosion Resistance of Rare Earth Element (REE)-Based Anodic Oxidation Coating on AZ91D Magnesium Alloy 

      Mohd Zamzuri, Mohammad Zain; Suhaimi, Illias; Mokhtar, Mat Salleh; Khairul Azwan, Ismail; Nooraizedfiza, Zainon (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 ...
    • Performance evaluation of m3 bottleneck based heuristic for M1M2M3 flow shop 

      Mohd Fidzwan, Md Amin Hamzas; Ahmad Bareduan, Salleh; Mohd Sabri, Hussin; M. J., Hasnul; Asmawi, Sanuddin; Zailani, Zainal Abidin (Praise Worthy Prize S.r.l., 2012-09)
      This project investigates the possibility of developing scheduling heuristic using bottleneck approach for a three machine flow shop scheduling with the tendency of dominant machine at the first process. Due to the re-entrant ...
    • Experimental study of machinability of GFRP composites by end milling 

      Azwan Iskandar, Azmi; Lin, Richard J.T.; Bhattacharyya, Debes (Taylor and Francis Group, LLC., 2012-10-01)
      This article describes an experimental investigation on end milling of glass fiber reinforced polymer (GFRP) composites using uncoated tungsten carbide tool. A series of experiments were carried out to evaluate the ...
    • The effect of sintering temperature on mechanical properties of Al/SiC composites 

      Asmawi, Sanuddin; Azmi, Harun; Mohd Sabri, Hussin; K., L. Chuan; Zailani, Zainal Abidin; Mohd. Fidzwan, Md Amin Hamzas (Praise Worthy Prize S.r.l., 2013)
      This paper presents the investigation of the effect of sintering temperature on mechanical properties of Al/SiC composites. The composites were produced via conventional powder metallurgy processing. The particle size of ...
    • A simple technique for improving the anechoic performance of a pyramidal absorber 

      M. Nadeem, Iqbal; Mohd Fareq, Abd. Malek, Dr.; Yeng, S. Lee; Liyana, Zahid; Muhammad Iqbal, Muhammad Hussain, Dr.; Mohd F. H., A Malek; Nur Fairuz, Mohamed Yusof; Norshafinash, Saudin; Noor Anida, Abu Talib (EMW Publishing, 2013)
      In this paper, we propose a very simple technique that offers an extra degree of freedom to optimize the design of a tire dust-based absorber with reduced height. Cladding is a technique that is used to enhance the surface ...
    • Modeling approach to the elements of TQM practice 

      Fazlollah, Agamohamadi Basmenj; Rosnah, Mohd Yusuff, Assoc. Prof. Dr.; Norzima, Zulkifli, Dr.; Md. Yusof, Ismail; Sorooshian, Shahryar (Trans Tech Publications, 2013)
      This paper considers three factors; the selection of the Performance Measures, selection of the Critical Success Factors, and selection of quality tools as three elements of TQM. The qualitative research of this study tries ...
    • Evolutionary based maximum power point tracking technique using differential evolution algorithm 

      Mohammad Faridun Naim, Tajuddin; Shahrin, Md Ayob, Dr.; Zainal, Salam, Prof. Dr.; Mohd. Sazli, Saad (Elsevier B.V., 2013)
      This paper presents a maximum power point tracking (MPPT) technique for photovoltaic (PV) system using a modified differential evolution (DE) algorithm. The standard DE is modified to deal with dynamic objective function ...
    • Numerical investigation of combustion performance utilizing envo-diesel blends 

      Mohamad Shaiful, Ashrul Ishak; Mohd. Amirul Amin, Arizal; Mohammad Nazri, Mohd Jaafar, Prof. Dr.; Norwazan, Abdul Rahim; Ismail, Azmi (Trans Tech Publications, 2013)
      Alternative fuel and renewable energy is needed to fulfill the energy demand of the world. The use of envo-diesel fuels for power generation seems a viable solution for the problems of decreasing fossil-fuel reserves and ...
    • Performance study of WEDMed on inconel 718 by using response surface methodology 

      Ahmad Fairuz, Mansor; Mohd. Hafiezal, Mohd Radzi; Radhwan, Hussin; Siti Aishah, Adam; Muhammad Aiman, Ahmad Fozi (Praise Worthy Prize S.r.l., 2013)
      The demand of high accuracy aerospace parts become important which is reflected by the machining process performances. Inconel 718 is a well-known superalloy in aerospace industries especially in turbine fabrication. The ...
    • A method for assessing productivity in unbuffered assembly processes 

      Usubamatov, Ryspek, Prof. Dr.; Abdul Rahman, Riza; Muhamad Nasir, Murad (Emerald Group Publishing Limited, 2013)
      Purpose – The purpose of this paper is to study and perform a system analysis of car assembly line processes, to show productivity losses and their causes, and to derive a mathematical model of the productivity rate of the ...
    • Convergence of finite element model for crushing of a conical thin-walled tube 

      Masniezam, Ahmad; Khairul Azwan, Ismail, Dr.; Fauziah, Mat (Elsevier B.V., 2013)
      In this paper, a convergence of finite element model using different types and sizes of mesh modes has been conducted. A thin-walled conical tube was modeled using plane shell element in LS-DYNA software under dynamic axial ...
    • Effect of heat treatment on microstructure and corrosion behavior of Az91d magnesium alloy 

      Chye, Lih T.; Mohd. Zamzuri, Mohammad Zain; Siti Norbahiyah, Mohamad Badari; Khairul Azwan, Ismail, Dr.; Mohd Nazree, Derman, Dr.; Suhaimi, Illias (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 ...
    • Investigation of the velocity profiles in a ninety-degree curved standing wave resonator with Particle Image Velocimetry 

      Normah, Mohd Ghazali, Assoc. Prof. Dr.; Irfan, Abdul Rahim; Quenet, Terry; Zaki, Ab Muin (Trans Tech Publications (TTP), 2013)
      Travelling wave thermoacoustic heat engines have been reported to have a higher efficiency than the standing wave ones. The former are generally large systems which consist of toroidal shape resonators. While standing wave ...
    • Characteristics of Fe-yttria composites fabricated by powder metallurgy method 

      Marina, Marzuki; Kartini, Alir; Wan Abdul Rahman Assyahid, Wan Ibrahim; Nooraizedfiza, Zainon; Mohd Asri, Selamat; Mohd Zamzuri, Mohammad Zain (Trans Tech Publications, 2013)
      This study is focused on fabricating and characterizing iron (Fe) composites prepared by powder metallurgy route reinforced with varying weight of Yttria (Y2O3). Composites were prepared based on 5 wt. % to 15 wt. % of ...
    • Orthogonal least squares method and its application to nonlinear modeling of automotive engine fuelled with palm oil methyl esters 

      Azuwir, Mohd Nor; Mohd Zaki, Ab. Muin, Prof. Dr.; Abdul Hamid, Adom, Prof. Dr. (Praise Worthy Prize S.r.l., 2013)
      In this paper, nonlinear mathematical models for an automotive engine fuelled with palm biodiesel (Palm Oil Methyl Ester) are developed. Assuming a discrete time form for the system model, a polynomial Nonlinear Autoregressive ...
    • Strength of the weld line and warpage defects on the molded parts in injection molding process 

      S. M., Nasir; Khairul Azwan, Ismail, Dr.; Shayfull Zamree, Abd Rahim; Norshah Afizi, Shuaib (Praise Worthy Prize S.r.l., 2013)
      Strength at weld the line location and warpage problem in injection molding plastic component were not new problems in injection molding industries. Many researchers had emerged with several improvement techniques to reduce ...