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    Optimal coefficient of friction onartificial knee joint contact surfaces 

    Mohd Hafis, Sulaiman; Nur Farahana, Ramli; Mohd Ridzuan, Mohd Jamir; Nur Adlina, Mohd Takhiudin (Trans Tech Publications, 2013)
    Wear generated by the presence of frictiononknee joint contact surfaces can cause debris, which may lead to failure of the artificial knee joint. In this study, the effects of friction coefficients occur on the knee joint ...
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    Identification of limiting friction coefficient towards improved hip prostheses 

    Mohd Hafis, Sulaiman; Nur Farahana, Ramli; Mohd Ridzuan, Mohd Jamir; Siti Mahani, Said (Trans Tech Publications, 2013)
    Wear generated by the presence of friction on hip joint contact surfaces can cause debris, which may lead to loosening and failure of the hip prostheses. The objective of this study is to examine the limiting friction ...
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    Load-displacement behavior of RBD palm stearin oil lubricant quantity in cold extrusion 

    Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Mohd Afendi, Rojan; Imaduddin Helmi, Wan Nordin; Boon, Raymond Whee Heng; Syahrullail, Samion, Dr. (Universiti Malaysia Perlis (UniMAP), 2012-02-27)
    Large consumption of lubricant may affect the environment due to their high potential of pollution. Therefore, there is significant demand to provide a solution to this current condition by using alternative lubricant ...
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    Performance of thermoelectric cooling system: effect of aluminium heat sink and heat dissipation 

    Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Ahmad Firdaus, Ahmad Zaidi; Mohammad Shahril, Salim; Nur Farahana, Ramli; Cheong, Chee Kin (Trans Tech Publications, 2014)
    This paper presents theoretical and experimental research works on the effect of aluminium heat sink and heat dissipation in a portable thermoelectric (TE) cooling system. In this study, three units of TE modules were ...
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    Paraffinic mineral oil lubrication for cold forward extrusion: Effect of lubricant quantity and friction 

    Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Nur Farahana, Ramli; Syahrullail, Samion (Elsevier Ltd., 2013)
    In this paper, Finite Element (FE) and experimental analyses have been developed on the deformation of aluminium billet over a tool. Effect of friction resulted from the use of additive-free ISO460-compliant paraffinic ...
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    Design and development of tracking system for mines detector robot 

    Ahmad Firdaus, Ahamad Zaidi; Ng Shao, Liang; Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Nur Hidayah, Ahmad Zaidi (Trans Tech Publications, 2014-01)
    This paper presents the design and development of tracking system for the mines detector robot. The scope for the tracking system covers two important tasks: 1. Design of optimum tracking path to cover maximum scanning ...
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    Effect of extrusion ratio on paraffinic mineral oil lubricant in cold forward extrusion 

    Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Imaduddin Helmi, Wan Nordin; Syahrullail, Samion, Dr. (American Institute of Physics, 2012)
    A finite element (FE) analysis is made for steady-state two-dimensional forward extrusion with three different extrusion ratio values. Predicting extrusion force of aluminum billet extruded with palm oil lubricant will ...
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    An experimental investigation of palm pressed fibre waste as lubricant in strip drawing 

    Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Alina Rahayu, Mohamed; N. Farahana, R.; Syahrullail, Samion, Assoc. Prof. Dr. (Penerbit UTM Press, 2014)
    The abundance of palm pressed fibre (PPF) biomass waste generates greenhouse gases. Therefore, an experimental study on catalytic pyrolysis technology using a tubular reactor on PPF oil was performed at temperature of 450 ...

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    AuthorMohd Hafis, Sulaiman (8)
    Mohd Ridzuan, Mohd Jamir (8)
    Nur Farahana, Ramli (4)Imaduddin Helmi, Wan Nordin (2)Syahrullail, Samion, Dr. (2)... View MoreSubjectFriction coefficient (3)Finite element method (2)Lubricant (2)Lubrication oil (2)Aluminium heat sink (1)... View MoreDate Issued2014 (3)2013 (3)2012 (2)

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