Haftirman Idrus, Dr.
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This page provides access to research works by Dr. Haftirman, currently a Senior Lecturer of School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP).
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Skills and Expertise: Fracture Mechanics, Fatigue, Wear, Aluminum Alloys, Mechanical Properties, Mechanical Behavior of Materials, Mechanical Testing, Microscopy, Electron Microscopy, Solid Mechanics, Fatigue Strength on Material Engineering.
Recent Submissions
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Preliminary study of using kerf as an alternative to crack interactions in multiple edge cracks based on non-uniform stress distribution
(Praise Worthy Prize, 2014)Multiple cracks with different or similar geometries that coexist on the same plane will affect its neighbouring counterpart’s Stress Intensity Factor (SIF) value due to interaction effect. The interaction effect is much ... -
Numerical stress analysis of epoxy adhesively bonded dissimilar joint
(Trans Tech Publications, 2014)A two-dimensional adhesively bonded dissimilar single lap joint model was analyzed under tension. An explicit closed-form solution was formulated by using MATLAB tool for analysis of shear and peel stresses distribution ... -
Fatigue crack initiation and growth of aluminum alloy with stress ratio effects
(Trans Tech Publications, 2014)Fatigue crack initiation and growth of aluminum alloys with stress ratio were investigated due to it was widely used in aircraft production parts. Various types of aluminium alloy have been selected (6063-T6, 7075-T6, and ... -
Evaluate the effects of various surface roughness on the tribological characteristics under dry and lubricated conditions for Al-Si alloy
(Scientific Research Publishing Inc. All rights reserved., 2012-07)The effect of surface roughness average of hypereutectic aluminum silicon alloys (with 16 wt% Si) on the friction and wear was investigated. Various surface roughness average (Ra) of different degrees was verified as well ... -
Behaviour of stress corrosion cracking of austenitic stainless steels in sodium chloride solutions
(Elsevier B.V., 2013)Click Stress Corrosion Cracking (SCC) is an environmentally well-known as a failure caused by exposure to a corroding while under a sustained tensile stress. SCC is most often rapid, unpredictable. Failure can occur in a ... -
Tribological properties of WS2 nanoparticles lubricants on aluminum-silicon alloy and carbon steels
(Walailak University, 2013-06)The rheological properties of nanometric tungsten disulphide (WS2) nanoparticles oil lubricants and its tribological performance with two hypereutectic Al-Si alloy and carbon steel are examined. These two oils are used to ... -
Effect of roughness of hypo-and hyper-eutectic Al-Si piston alloy on wear characteristics under lubrication
(Elsevier B.V., 2013)The tribological behavior of tow Al-Si alloys under the influence of surface roughness average was investigated for the present study. The silicon content of these alloys ranged 10 and 16-wt% Si, and includes hypoeutectic ... -
Behaviour of stress corrosion cracking of austenitic stainless steels in sodium chloride solutions
(Malaysian Technical Universities Network (MTUN), 2012-11-20)Click Stress Corrosion Cracking (SCC) is an environmentally well-known as a failure caused by exposure to a corroding while under a sustained tensile stress. SCC is most often rapid, unpredictable. Failure can occur in a ... -
Effect of roughness of hypo-and hyper-eutectic Al-Si piston alloy on wear characteristics under lubrication
(Malaysian Technical Universities Network (MTUN), 2012-11-20)The tribological behavior of tow AlSi alloys under the influence of surface roughness average was investigated for the present study. The silicon content of these alloys ranged 10 and 16-wt% Si, and includes hypoeutectic ... -
Stress corrosion cracking behavior of austenitic stainless steels in natrium chloride solution
(Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)Stress corrosion cracking (SCC) of austenitic stainless steels of types 304, 310 and 316 will be investigated as a function of applied stress at room temperature in natrium chloride solutions under a constant applied ... -
Micro fatigue testing machine
(Malaysian Invention and Design Society (MINDS), 2012-05-17) -
Dry sliding wear behaviour of A390 hypereutectic (Al–Si) alloy
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)The behavior of wear for dry alloy A390 of (aluminum–silicon) casting which constitutes 16% Si is investigated. The lost of the wear rate is weighted and the volume decreases with increasing speed of sliding as well as ... -
Fatigue strength of FRC and FRG composite materials
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)Fiber reinforced carbon (FRC) and Fiber reinforced glass (FRG) composite materials are seen to be heavily used in the aerospace industry due to its excellence mechanical properties at low density. The research presents ... -
The size effect on fatigue strength of structural steel materials in high-humidity environment
(Universiti Malaysia Perlis, 2009-10-11)Fatigue tests under rotating bending fatigue testing machine has been carried out to estimate the size effect on fatigue strength of structural steel materials in high-humidity environment. The size and geometry of the ... -
Effect of tempering temperature on fatigue strength of Thyssen 6582 steel
(Universiti Malaysia Perlis, 2007-10-25)Fatigue tests under rotating bending fatigue testing machine has been carried out to estimate the effect of tempering temperature on fatigue strength of Thyssen 6582 machinery steel materials. The fatigue strength of these ...
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