School of Manufacturing Engineering (Articles): Recent submissions
Now showing items 21-40 of 125
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Anthropometry data for 4th year UniMAP student
(Universiti Malaysia Perlis (UniMAP), 2009-12-01)Anthropometry is a science of measurements and the art of application that establishes the physical geometry, mass properties, and strength capabilities of the human bodies. This paper was taken out from laboratory session ... -
Numerical simulation analysis of the in-cavity residual stress distribution of lignocellulosic (wood) polymer composites used in shallow thin-walled parts
(Elsevier, 2014-03)In this paper, a numerical analysis of in-cavity residual stress formation in the thin-walled parts of injection-moulded parts is presented by considering the residual stresses produced during the post-filling stage. ... -
Optimisation of machining parameters by criterion of maximum productivity
(Taylor & Francis, 2014-05)The optimisation of machining parameters for machine tools using the criterion of maximum productivity rate is not a new problem - many unresolved issues remain. The intensification of machining processes leads to changes ... -
Evolutionary based maximum power point tracking technique using differential evolution algorithm
(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 ... -
Milled groove square shape conformal cooling channels in injection molding process
(Taylor and Francis Group, LLC., 2013-08)In designing molds for injection molding process, it is very difficult to achieve efficient cooling with uniform thermal distribution. To overcome these issues, the uses of conformal cooling channels with the uniform ... -
Improving warpage on thin shallow parts in two-plate moulds with conformal cooling channels
(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 ... -
Numerical simulation analysis of the in-cavity residual stress distribution of lignocellulosic (wood) polymer composites used in shallow thin-walled parts formed by the injection moulding process
(Elsevier, 2014-03)In this paper, a numerical analysis of in-cavity residual stress formation in the thin-walled parts of injection-moulded parts is presented by considering the residual stresses produced during the post-filling stage. ... -
The effect of sintering temperature on mechanical properties of Al/SiC composites
(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 ... -
The effect of sintering duration on mechanical properties of Al/SiC composites
(Praise Worthy Prize S.r.l., 2013-11)Metal matrix composites (MMCs) have become attractive in a variety of applications due to its advantage of having intermediate properties between metal and ceramic. This paper presents the investigation of the effect of ... -
Investigation of a portable standing wave thermoacoustic heat engine
(Elsevier Ltd, 2013)Increasing the efficiency and effectiveness of energy systems remains as one of the critical issues today with depleting energy resources and increasing energy demand. Utilization of alternative fuels and utilization of ... -
The effect of shear rate and temperature on rheology properties of magnesium metal injection molding feedstock
(Praise Worthy Prize S.r.l., 2013-11)Metal injection molding (MIM) becomes a well-established and promising technology for small and mass production. Feedstock characterization is one of the most important roles in ensuring the properties of the MIM products. ... -
Strength of the weld line and warpage defects on the molded parts in injection molding process
(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 ... -
Understanding the behaviour of pulsed laser dry and wet micromachining processes by multi-phase smoothed particle hydrodynamics (SPH) modelling
(IOP Publishing, 2013-03)A smoothed particle hydrodynamics (SPH) numerical model is developed to simulate the three-phase laser micro-machining process for medical coronary stent manufacture. The open-source code SPHysics is used to model the ... -
Orthogonal least squares method and its application to nonlinear modeling of automotive engine fuelled with palm oil methyl esters
(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 ... -
Investigation of the velocity profiles in a ninety-degree curved standing wave resonator with Particle Image Velocimetry
(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 ... -
The effect of inoculation on properties of modified ductile Ni-resist alloy
(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 ... -
Warpage analysis with straight drilled and conformal cooling channels on front panel housing by using taguchi method
(Trans Tech Publications, 2014)The challenging in injection molding process is to get the uniform thermal distribution on the molded parts during the cooling stage which is mainly depend on the design of the cooling channels in injection mold. Poor ... -
Effect of heat treatment on microstructure and corrosion behavior of Az91d magnesium alloy
(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 ... -
Comparison between single and multi gates for minimization of warpage using taguchi method in injection molding process for ABS material
(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 ... -
Investigation performance of heat exchanger on thermoacoustic heat engine for harvesting a waste heat
(Trans Tech Publications, 2014)A green technology of acoustic of fluid-structure interactions become an emerging technology today, a call thermoacoustic heat engine. Thermoacoutics heat engine systems convert the energy on a harvesting from a waste heat ...