Browsing Mohd Afendi Bin Rojan, Associated Professor Dr. by Author "afendirojan@unimap.edu.my"
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3D finite element stress analysis of butt adhesively bonded dissimilar joint: effect of bond thickness on strength
Izzawati, Basirom; Mohd Afendi, Rojan, Dr.; M. Afif; Siti Nurhashima; Ruslizam, Daud, Dr.; Nasrul Amri, Mohd Amin, Dr.; Mohd Shukry, Abdul Majid, Dr. (Trans Tech Publications, 2014-06)The butt joint is the most studied type of adhesive joints in the literature. However, the joint strength prediction of joints is still a controversial issue as it involves a lot of factors that are difficult to quantify ... -
Bending fatigue strength of case-carburized spur gears with boss
Imaduddin Helmi, Wan Nordin; Mohd Afendi, Rojan; Salmie Suhana, Che Abdullah; Mohd Hafis, Sulaiman (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)Studies on the spur gear, to increase the bending fatigue strength have been published by adopting gear with high pressure angle and positive addendum modification factor. However, studies on the spur gear with wide ... -
CFD analysis on mismatched end-to-end internal diameter of RSVG Models
M. N., Rahman Y.; Shahriman, Abu Bakar, Dr.; Siti Khadijah, Za'aba, Dr.; Wan Khairunizam, Wan Ahmad, Dr.; Sharifah Roohi, Syed Waseem Ahmad; Hazry, Desa, Assoc. Prof. Dr.; Ahmad Helmy, Abdul Karim M.D.; Shafriza Nisha, Basah, Dr.; Cheng, Ee Meng, Dr.; Mohd Afendi, Rojan, Dr. (American-Eurasian Network for Scientific Information (AENSI), 2014-03)A digital arterial disease in upper extremity is uncommon happened compare to arterial disease in lower extremity. A surgical vein graft interposition is performed as revascularization procedure. However, mismatching ... -
Dielectric spectroscopy of pharmaceutical drug (Paracetamol) dosage in water
Cheng, Ee Meng, Dr.; Mohd Fareq, Abd. Malek, Dr.; Farrah Salwani, Abdullah; Wee, Fwen Hoon; Khor, Shing Fan; Lee, Yeng Seng; Mohd Afendi, Rojan, Dr.; Mohd Shukry, Abdul Majid, Dr.; Shahriman, Abu Bakar, Dr.; Wan Khairunizam, Wan Ahmad, Dr.; Liyana, Z. Y. (IEEE Conference Publications, 2013-12)This paper discuss about the dielectric measurement on different concentration of pharmaceutical drug using Agilent 85070E High-Temperature and Slim form probe. A microwave dielectric measurement is set up to measure dosage ... -
Effect of adhesive thickness on adhesively bonded T-joint
A. R., Abdullah; Mohd Afendi, Rojan, Dr.; Mohd Shukry, Abdul Majid, Dr. (IOP Publishing Ltd, 2013)The aim of this work is to analyze the effect of adhesive thickness on tensile strength of adhesively bonded stainless steel T-joint. Specimens were made from SUS 304 Stainless Steel plate and SUS 304 Stainless Steel ... -
Effect of nano-clay and their dispersion techniques on compressive properties of unsaturated polyester resin
Fartini, Mohd Suhut; Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Ruslizam, Daud, Dr.; Azizul, Mohamad (Trans Tech Publications, 2014-06)This paper aims to understand the relationship between processing parameters and compressive properties of nanoclay filled polyester resin (dispersion method and wt% of nanoclay particles). Unsaturated polyester resin with ... -
Effects of elevated temperatures on the compression strength of nanoclay filled unsaturated polyester resin
Fartini, Mohd Suhut; Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Nasrul Amri, Mohd Amin, Dr.; Azizul, Mohamad (Trans Tech Publications, 2014-06)The paper describes the effects of the montmorillonite (MMT) fillers commonly known as nanoclay, on the compression properties of unsaturated polyester resins at different weight percentage of nanoclay. Modified resin ... -
Effects of winding angles in biaxial ultimate elastic wall stress (UEWS) tests of glass fibre reinforced epoxy (GRE) composite pipes
Mohd Shukry, Abdul Majid; Mohd Afendi, Rojan, Dr.; Ruslizam, Daud; Gibson, A. G.; M., Hekman (Universiti Malaysia Perlis (UniMAP), 2013-03-26)This paper presents an experimental investigation into the influence of winding angles in multiaxial ultimate elastic wall stress (UEWS) tests of glass-fibre reinforced epoxy (GRE) composite pipes. Currently, UEWS test is ... -
Effects of winding angles in biaxial ultimate elastic wall stress (UEWS) tests of glass gibre reinforced epoxy (GRE) composite pipes
Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Ruslizam, Daud, Dr.; Gibson, A. G.; M., Hekman (Trans Tech Publications, 2013)This paper presents an experimental investigation into the influence of winding angles in multiaxial ultimate elastic wall stress (UEWS) tests of glass-fibre reinforced epoxy (GRE) composite pipes. Currently, UEWS test is ... -
Fracture toughness test of epoxy adhesive dissimilar joint with various adhesive thicknesses
Mohd Afendi, Rojan, Dr.; Tokuo, Teramoto (The Japan Society of Mechanical Engineers, 2010-11)In this study, effect of bond thickness upon the strength and fracture toughness of epoxy adhesive dissimilar joint is investigated. Tensile and three-point-bending (abbreviated as 3PB hereafter) fracture tests are conducted. ... -
In vitro evaluation of finger's hemodynamics for vein graft surveillance using electrical bio-impedance method
Lee, Hoi Leong; Shahriman, Abu Bakar, Dr.; Sazali, Yaacob, Prof. Dr.; Zuradzman, Mohamad Razlan, Dr.; Wan Khairunizam, Wan Ahmad, Dr.; Zunaidi I.B; Cheng, Ee Meng, Dr.; Siti Khadijah, Za'aba, Dr.; Shafriza Nisha, Basah, Dr.; Mohd Afendi, Rojan, Dr.; Sharifah Roohi, Syed Waseem Ahmad (American-Eurasian Network for Scientific Information (AENSI), 2014-03)Electrical bio-impedance measurement has great potential in many biomedical applications including vein graft surveillance. Studies have shown that thrombosis was the major cause of the vein graft failure. The meticulous ... -
The interlaminar shear strength test of helical wound glass fibre reinforced epoxy laminates subjected to hydrothermal ageing
Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Ruslizam, Daud, Dr.; Nasrul Amri, Mohd Amin, Dr.; Azizul, Mohamad; M. Hekman (Trans Tech Publications, 2014-06)This paper presents the experimental investigation of interlaminar shear strength (ILSS) tests of helical wound glass fibre reinforced epoxy (GRE) pipes subjected to hydrothermal ageing. Currently, the test is being used ... -
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)Pusat Pengajian Kejuruteraan Mekatronik, 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 ... -
Mathematical model of elastic crack interaction and two-dimensional finite element analysis based on Griffith energy release rate
Ruslizam, Daud, Dr.; Ahmad Kamal Ariffin, Mohd. Ihsan, Prof. Dr.; Shahrum, Abdullah, Prof. Dr.; Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr. (Trans Tech Publications, 2013)Stress shielding interaction effect of two parallel edge cracks in finite body under uniaxial loading is analysed using developed finite element (FE) analysis program. In present study, the stress shielding interaction is ... -
Modelling of multi-axial ultimate elastic wall stress (UEWS) test for glass fibre reinforced epoxy (GRE) composite pipes
Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Ruslizam, Daud, Dr.; Nasrul Amri, Mohd Amin, Dr.; Azizul, Mohamad; Cheng, Ee Meng, Dr.; Gibson, A. G. (Trans Tech Publications, 2013)This paper describes the modeling of multiaxial ultimate elastic wall stress (UEWS) at room temperature for glass fibre reinforced epoxy (GRE) composite pipes. The model developed, predicts the stress-strain response caused ... -
Short-term test of ±55 filament wound GRE composite pipes under multiaxial stress ratios
Krishnan, Pranesh; Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Haslan Fadli, Marzuki; Mohd Nor Fakhzan, Mohd Kazim (Trans Tech Publications, 2014-06)This paper discusses the the development of an automated pressure testing rig to perform a short term test; Ultimate Elastic Wall Stress (UEWS) for ±55˚ glass fibre reinforced epoxy (GRE) composite pipe under various stress ... -
Strength and fracture characteristics of shear adhesive dissimilar joint
Mohd Afendi; Imaduddin Helmi, Wan Nordin; Ruslizam, Daud; Teramoto, Tokuo (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In this study, the effect of bond thickness upon the shear strength of epoxy adhesively bonded joint with dissimilar adherends is addressed. The bond thickness, t between the adherends is controlled to be ranged from ... -
Strength and fracture characteristics of SUS304/AL-Alloy scarf adhesive joint with various adhesive thicknesses
Mohd Afendi, Rojan, Dr.; Tokuo, Teramoto; Akihiro, Matsuda (Trans Tech Publications, 2011-01)In this study, strength and fracture toughness of epoxy adhesively bonded scarf joints of dissimilar adherends, namely SUS304 stainless steel and YH75 aluminium alloy are examined on several scarf angles and various bond ... -
Strength of ductile adhesive butt joint bonded with dissimilar adherents: effect of surface roughness
Nurul Atikah; Mohd Afendi, Rojan, Dr.; Siti Hirmaliza; Mohd Shukry, Abdul Majid, Dr.; Nurul Amira; Mazlee, Mohd Noor, Dr. (Trans Tech Publications, 2014-06)The purpose of this project is to study the influence of the macroscopic state of surface roughness of the dissimilar adherent on the strength of adhesive joint. In this project, several types of sandpaper were used to ... -
Strength of three-point-bending ductile adhesive joint with dissimilar adherent
Siti Nurhashima; Mohd Afendi, Rojan, Dr.; Nasrul Amri, Mohd Amin, Dr.; Mohd Shukry, Abdul Majid, Dr.; M.Taufik (Trans Tech Publications, 2014-06)In this study, an experimental investigation was conducted in order to determine the effect of different adhesive thickness (i.e., 0.1, 0.5, 0.7 and 1 mm) on strength of ductile adhesive joint. The study scope covers both ...