Now showing items 1-20 of 42

    • Analysis of shrinkage on thick plate part using genetic algorithm 

      S., N. Najihah; Shayful Zamree, Abd Rahim; S., M. Nasir; Mohd Sazli, Saad; M., M. Rashidi; Mohd Fathullah, Ghazli @ Ghazali; Nik Noriman, Zulkepli (EDP Sciences, 2016)
      Injection moulding is the most widely used processes in manufacturing plastic products. Since the quality of injection improves plastic parts are mostly influenced by process conditions, the method to determine the optimum ...
    • Analysis of Strength on Thick Plate Part using Genetic Algorithm Optimisation Method 

      S., M. Azlan; Shayful Zamree, Abd Rahim; Mohd Nasir, Mat Saad; Mohd Sazli, Saad; M., M. Rashidi; Mohd Fathullah, Ghazli @ Ghazali (EDP Sciences, 2016)
      This study focuses on the optimisation of the injection moulding parameters to maximise the strength ofmoulded parts using a simulation software. The moulded parts were injected with Acrylonitrile- Butadiene-Styrene (ABS) ...
    • Application of Firefly Algorithm for Parameter Estimation of Damped Compound Pendulum 

      Mohd Sazli, Saad; Mohamad Izzat, Kamal; ‪Shayfull Zamree, Abd Rahim‬; Mohd Nasir, Mat Saad; Mohd Fathullah, Ghazli @ Ghazali (EDP Sciences, 2016)
      This paper presents an investigation into the parameter estimation of the damped compound pendulum using Firefly algorithm method. In estimating the damped compound pendulum, the system necessarily needs a good model. ...
    • Application of IDEF3 process description capture to mechanize manual tile installation 

      Mohamad Ezral, Baharudin; Mohd. Fathullah, Ghazli @ Ghazali; Norshah Afizi, Shuaib; Shayfull Zamree, Abd Rahim, Dr.; Zaidi, Mohd Ripin (Praise Worthy Prize, 2011-11)
      Integrated Definition for Function which is also known as IDEF is a well structured modeling method that corresponds to a manufacturing system. For IDEF3, it is a process description capturing method created to capture ...
    • Application of RSM to optimise moulding conditions for minimizing shrinkage in thermoplastic processing 

      Mohd Nasir, Mat Saad; Khairul Azwan, Ismail; Shayfull Zamree, Abd Rahim (Trans Tech Publications Ltd, 2016)
      This study focuses on the analysis of plastic injection moulding process simulation using Autodesk Moldflow Insight (AMI) software in order to minimize shrinkage by optimizing the process parameters. Two types of gates ...
    • An approach to mechanization and automation of manual construction activity 

      Mohamad Ezral, Baharudin; Shayfull Zamree, Abd Rahim; Mohd. Fathullah, Ghazli @ Ghazali; Norshah Afizi, Shuaib; Zaidi, Mohd Ripin (Praise Worthy Prize S.r.l., 2011-11)
      Construction industry is very important to the developing country like Malaysia. Many challenges and difficulties must be faced by the developers of this particular field. Warszawski et. al [1] has reported that there are ...
    • Comparison between single and multi gates for minimization of warpage using taguchi method in injection molding process for ABS material 

      Mohd. Nasir, Mat Saad; Khairul Azwan, Ismail; Shayfull Zamree, Abd Rahim; Norshah Afizi, Shuaib (Trans Tech Publications, 2013-12)
      In this study, a mold is designed in single and dual type of gate in order to investigate the deflection of warpage for thick component in injection molding process. Autodesk Moldflow Insight software was used as a medium ...
    • Design of a portable paddy cleaning machine 

      Shayfull Zamree, Abd. Rahim; Mohd Fathullah, Ghazli@Ghazali; Mohd Azaman, Md Deros (2010-09-20)
      Portable Paddy Cleaning Machine is designed to remove foreign materials and impurities such as sand particles, stones, paddy straws and foreign seeds from paddy. This machine provides farmers an alternative replacement of ...
    • Dimensional accuracy and surface roughness analysis for AlSi10Mg produced by Selective Laser Melting (SLM) 

      K., Kamarudin; M.S., Wahab; Shayful Zamree, Abd Rahim; Aqeel, Ahmed; A.A., Raus (EDP Sciences, 2016)
      Selective Laser Melting (SLM) is an Additive Manufacturing (AM) technique that built 3D part in a layer-by-layer method by melting the top surface layer of a powder bed with a high intensity laser according to sliced 3D ...
    • Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ 

      Nurliyana, Ariffin; Mohd Mustafa Al Bakri, Abdullah; Postawa, Przemysław; Shayfull Zamree, Abd Rahim; Mohd Remy Rozainy, Mohd Arif Zainol; Ramadhansyah, Putra Jaya; Sliwa, Agata; Mohd Firdaus, Omar (MDPI AG, 2021-02)
      This current work focuses on the synthesis of geopolymer-based adsorbent which uses kaolin as a source material, mixed with alkali solution consisting of 10 M NaOH and Na₂SiO₃ as well as aluminium powder as a foaming agent. ...
    • The effect of inoculation on properties of modified ductile Ni-resist alloy 

      Mohd Rashidi, Maarof; Mohd Hasbullah, Idris; Shayfull Zamree, Abd Rahim (Trans Tech Publications, 2014)
      In this study, ductile Ni-resist alloy with a minimum 18 wt. % nickel composition was modified. Up to 12 wt. % manganese was added together with 10 wt. % nickel before undergoing the inoculation process at various percentages ...
    • Effect on Mechanical Properties of Heat Treated High Manganese Austenitic Cast Iron 

      A.K., Muzafar; M., M. Rashidi; I., Mahadzir; Shayful Zamree, Abd Rahim (EDP Sciences, 2016)
      This work presents an attempt to study the effect of manganese addition and heat treatment on higher carbon austenitic cast iron to form high manganese austenitic cast iron with reduced nickel content (Mn-Ni-resist) on ...
    • Fire alarm system, portable fire extinguisher and hose real system maintenances for safety purpose and requirements 

      Azmi, Harun; Norshah Afizi, Shuaib; Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd Rahim; M.Z.M., Zain (Universiti Malaysia Perlis (UniMAP), 2009-12-01)
      Fire Fighting system or equipments are important elements in building safety measures in order to ensure people’s safety when fire occurs. The Fire Alarm Systems deserves the highest level of care and maintenance achievable. ...
    • Hybrid mold: comparative study of rapid and hard tooling for injection molding application using Metal Epoxy Composite (MEC) 

      Radhwan, Hussin; Safian, Sharif; Nabiałek, Marcin; Shayfull Zamree, Abd Rahim; Mohd Tanwyn, Mohd Khushairi; Mohd Azlan, Suhaimi; Mohd Mustafa Al Bakri, Abdullah; Mohd Hazwan, Mohd Hanid; Wysłocki, Jerzy J.; Bloch, Katarzyna (MDPI AG, 2021-02)
      The mold-making industry is currently facing several challenges, including new competitors in the market as well as the increasing demand for a low volume of precision moldings. The purpose of this research is to appraise ...
    • Improving the quality and productivity of molded parts with a new design of conformal cooling channels for the injection molding process 

      Shayfull Zamree, Abd Rahim; Safian, Sharif; Azlan, Mohd Zain; Mohd Nasir, Mat Saad; Rozaimi, Mohd Saad (John Wiley and Sons Inc., 2015)
      In materials processing, quality and productivity are notably important and must be controlled for each product type produced. In the injection molding process, quality is measured as the extent of warpage of molded parts ...
    • Improving warpage on thin shallow parts in two-plate moulds with conformal cooling channels 

      Shayfull Zamree, Abd. Rahim; Muhammad Syahril, Bahari; Siti Aishah, Adam; Mohd. Nasir, Mat Saad; Nooraizedfiza, Zainon (Praise Worthy Prize S.r.l., 2013-03)
      Nowadays, the trend of consumer products designed is getting smaller and most of cover is made from plastic which was produced by using injection molding process. Thus, the demand of thin shallow plastic parts in global ...
    • Improving warpage with milled groove square shape conformal cooling channels 

      Shayfull Zamree, Abd Rahim, Dr.; Safian, Sharif; Azlan Mohd, Zain; Mohd Nasir, Mat Saad; Rozaimi, Mohd Saad (Trans Tech Publications Ltd, 2016)
      Warpage is a common issue in an injection moulding process due to non-uniform temperature variation causing differential shrinkage on the moulded parts. In designing moulds for injection molding process, it is very difficult ...
    • The influence of different mold temperature on warpage in a thin shallow injection molding process 

      Norshah Afizi, Shuaib; Muhamad Nasir, Murad; Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd Rahim; Muhamad Saifuldin, Abdul Manan, Dr. (Praise Worthy Prize S.r.l., 2012)
      Every injection molding parameter have its own influence towards the quality of an injection-molded part. Temperature, pressure and time are main parameters that typically highlighted in controlling the warpage defect of ...
    • The influence of Rice Husk Fiber on The Properties of Epoxidized Natural Rubber/Rice Husk Compounds 

      Dahham, Omar S.; Nik Noriman, Zulkepli; Sam, Sung Ting; Marwa, Al-Samarrai N.; Shayfull Zamree, Abd Rahim; Alakrach, A.M; Abduati, Elnaid S. A. (EDP Sciences, 2016)
      In this work, curing characteristics, tensile and physical properties of epoxidized natural rubber/ rice husk (ENR-50/RH) compounds were investigated. Different RH loading (10, 20, 30, 40 and 50 Phr) and size (fine size ...
    • The Influence of Selective Laser Melting Parameters on Density and Mechanical Properties of AlSi10Mg 

      A. A., Raus; M. S., Wahab; Shayful Zamree, Abd Rahim; K., Kamarudin; M., Ibrahim (EDP Sciences, 2016)
      Selective Laser Melting (SLM) is one of the most effective powder bed technique in the additive Manufacturing (AM) which able to fabricate functional metal parts directly from 3D Computer Aided Design (CAD) file data. In ...