Browsing by Author "Shaiful Rizam, Shamsudin"

Now showing items 1-20 of 20

    • Development of a Lid Sealed furnace for the production of Magnesium alloys 

      Shaiful Rizam, Shamsudin; Azmi, Kamardin; Mohd Nazree, Derman; Shamsul Baharin, Jamaludin; Azremi, Abdullah Al Hadi; A.M.H. Firdaus; Mazlee, Mohd Noor; C.I. Mahdi; Abdul Razak, Daud; Roslinda, Shamsudin (Universiti Kebangsaan Malaysia (UKM), 2008-12-03)
      An atmosphere-controlled furnace was designed for the casting process of highly reactive Mg metal and its alloys. Instead of open crucible furnace, the melting process was done under controlled atmosphere which contained ...

    • Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques 

      Shaiful Rizam, Shamsudin; C. I., Mahdi; Mohd Nazree, Derman; A. M. H., Firdaus; A. R., Daud; T., Loshniban (Universiti Malaysia PerlisSchool of Microelectronic Engineering and Institute of Nano Electronic Engineering (INEE), 2009-12-21)
      The aim of the study is to identify the effect of Ca in Mg-Mn alloy on electrochemical corrosion behaviour for development of high performance sacrificial anode. Mg alloys were fabricated by casting technique under an ...

    • The effect of F-75 alloy mixed with HAP on microstructure in corrosion test for biomaterial applications 

      Rohaya, A. M.; Shamsul Baharin, Jamaludin, Prof. Madya Dr.; Shaiful Rizam, Shamsudin (Universiti Malaysia PerlisSchool of Materials Engineering & School of Environmental Engineering, 2010-06-09)
      Co-Cr-Mo (ASTM: F-75) alloy is generally used because of their mechanical properties, good wear and corrosion resistance as well as biocompatibility. In order to obtain chemical similarity and interfacial bond form between ...

    • The effect of heat treatment on the open circuit potential of magnesium sacrificial anode 

      A. M. H., Firdaus; Shaiful Rizam, Shamsudin; Shamsul Baharin, Jamaludin; M. N., Derman; Mohd Fitri, Mohd Wahid; M. Z., Ruhiyudin (University of Malaya, 2009)
      Magnesium sacrificial anode that possess high value of open circuit potential, Eoc is needed as it can protect larger area of underground metal structure in cathodic protection. Solution treatment was applied on magnesium ...

    • Effect of small addition of aluminium on electrochemical corrosion behaviour of magnesium-calcium sacrificial anode in underground environment 

      Shaiful Rizam, Shamsudin; G., Sasirehka; A. M. H., Firdaus; C. I., Mahdi; D. M., Nazree; A. R., Daud; A. A., Azrem (PETRONAS, 2009-07-20)
      The effect of small addition of Al on the electrochemical performances was investigated by open circuit potential and Tafel Extrapolation method. The results show that open circuit potential reveals as-cast Mg containing ...

    • Effect of solution treatment on Mg galvanic anodes in CaSO4 – MG(OH)2 aqueous solution 

      A. M. H., Firdaus; Shaiful Rizam, Shamsudin; Shamsul Baharin, Jamaludin, Prof. Dr.; M. N., Derman; Mohd Fitri, Mohamad Wahid; C. I., Mahdi (PETRONAS, 2009-07-20)
      The effect of heat treatment on the Mg anode was investigated in CaSO4-Mg(OH)2 aqueous solution. The Mg sample was solutionised at 150oC, Pure and untreated Mg anode were also studied as a reference. Eoc and Tafel corrosion ...

    • The effect of Strontium on the Magnesium sacrificial anode by planned interval immersion 

      Najib Saedi, Ibrahim; Shaiful Rizam, Shamsudin (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      The effect of Sr on the Mg sacrificial anode performance in the corrosion protection was investigated by planned interval immersion and current efficiency test. XRD analysis was used to determine the presence of MgI7Sr2 ...

    • Electrochemical corrosion behaviour of Mg-(Ca,Mn) sacrificial anodes 

      Shaiful Rizam, Shamsudin; Azmi, Rahmat, Assoc. Prof. Dr.; Mahdi, Che Isa; Mohd Nazree, Derman; Abdul Razak, Daud (Trans Tech Publications, 2013)
      The aim of the study is to identify the effect of Ca in Mg-Mn alloy on electrochemical corrosion behavior for the development of high performance sacrificial anode. Mg alloys were fabricated by casting technique under an ...

    • Electrochemical corrosion behaviour of Mg-(Ca,Mn) sacrificial anodes 

      Shaiful Rizam, Shamsudin; Azmi, Rahmat, Assoc. Prof. Dr.; Mahdi, Che Isa; Mohd Nazree, Derman, Dr.; Abdul Razak, Daud (Trans Tech Publications, 2013)
      The aim of the study is to identify the effect of Ca in Mg-Mn alloy on electrochemical corrosion behavior for the development of high performance sacrificial anode. Mg alloys were fabricated by casting technique under an ...

    • An electrochemical impedance spectroscopy study of Al-Zn and Al-Zn-Sn Alloys in tropical seawater 

      M. C., Isa; Abdul Razak, Daud; M. Y., Ahmad; M., Daud; Shaiful Rizam, Shamsudin; N., Hassanuddin; M. S., Din Yati; M. M., Muhammad (Trans Tech Publications, Switzerland, 2012)
      In this paper, a study on the electrochemical behaviour and electrical properties of Al-Zn and Al-Zn-Sn alloys in tropical seawater using open circuit potential (OCP) measurement and electrochemical impedance spectroscopy ...

    • Failure analysis on a ruptured petrochemical pipe 

      Mohd, Harun; Shaiful Rizam, Shamsudin; Azmi, Kamardin (Carl Hanser Verlag, 2010-03-16)
      The failure took place on a welded elbow pipe which exhibited a catastrophic transverse rupture. The failure was located on the welding HAZ region, parallel to the welding path. Branching cracks were detected at the ...

    • Failure investigation on rusty mesh strainer of petrochemical plant 

      Shaiful Rizam, Shamsudin; Harun, Mohd; Mohd Arif Anuar, Mohd Salleh; Hafizal, Yazid; Mazlee, Mohd Noor, Dr. (Trans Tech Publications, 2013)
      The wire material of filter mesh is made of 304 grade stainless steel. The failure to run properly was due to the impact of burst and torn. The client also expects that the failure was due to corrosion problems. A visual ...

    • High temperature creep and hydrogen embrittlement failure of a steam trap bypass tube 

      Mohd Arif Anuar, Mohd Salleh; Shaiful Rizam, Shamsudin; Darwin, Sebayang, Ir. Ing. Prof. Dr; Nik Noriman, Zulkepli; Sitompul, Anton; DIC, Syahril (Trans Tech Publications, 2013)
      A coal fired power plant with its normal operation temperature of 540°C in which its steam trap bypass tube in that power plant was totally fractured. The aim of this study is to explore the evidence related to the steam ...

    • Joining of dissimilar 6063 aluminium alloy-316L stainless steel by spot welding: tensile shear strength and heat treatment 

      Nur Farhana, Hayazi; Mazlee, Mohd Noor, Dr.; Shaiful Rizam, Shamsudin; Nur Farhana, Hayazi; Tan, Alvin Yin Zhen (Trans Tech Publications, 2013)
      Tensile shear strength and ageing treatment of dissimilar 6063 aluminum alloy-316L stainless steel joint fabricated by spot welding were investigated. The results showed that tensile shear strength increased with the ...

    • Long term overheating failure of a closed recirculation system water cooling pipe 

      Mohd Arif Anuar, Mohd Salleh; Shaiful Rizam, Shamsudin; Azmi, Kamardin; Hafizan, Hassan (SIRIM, 2010-11-22)
      Catastrophic failure is often associated with a large temperature rise. This situation may lead to a drastic deterioration in material strength where a cooling system is important for a smooth system plant operation to ...

    • Metallurgical failure analysis of a closed recirculation system water cooling pipe 

      Mohd Arif Anuar, Mohd Salleh; Shaiful Rizam, Shamsudin; Azmi, Kamardin; Noor Hamidi, Mohd Noor; Hafizan, Hassan (Trans Tech Publications, 2013)
      Catastrophic failure is often associated with a large temperature rise. This situation may lead to a drastic deterioration in material strength where a cooling system is important for a smooth system plant operation to ...

    • Microstructural study and differential scanning alorimetry analysis at elevated temperatures of uperheated as-cast A357 alloy 

      Mazlee, Mohd Noor; Shamsul, Baharin Jamaludin, Prof. Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Shaiful Rizam, Shamsudin (University of Malaya, 2009)
      The microstructure of superheated as-cast A357 alloy has been analysed to study the solidification structures of α-Al dendrites, eutectic Si particles and intermetallic compounds at different sections of the specimen. The ...

    • Potentiodynamic polarization of Mg-0.22ca alloys containing minor element of Aluminium 

      Shaiful Rizam, Shamsudin; Mohd Nazree, Derman; C.I., Mahdi; Azmi, Kamardin; Abd. Razak, Daud; Mazlee, Mohd Noor; A.M.H., Firdaus; G., Sasirehka (Universiti Malaysia Perlis, 2009-12-01)
      Mg alloys played a significant role in replacing the existing sacrificial anodes. To maintain the negative potential and its capability in preventing corrosion, Ca and Al was added as alloying elements. Polarization curves ...

    • Preparation of Copper extractant Salicylaldoxime from Willow tree barks and leaves 

      San, Myint; Khairel Rafezi, Ahmad; Shaiful Rizam, Shamsudin; Ruhiyuddin, Mohd Zaki; Mar Mar, Wai (Universiti Malaysia Perlis, 2009-12-01)
      Salicin compound was extracted with water from willow trees (Salix tetrasperma, salix babylonica ) and Pashu padauk (pteroccarpus indicus). Maximum amount of Salicin obtained from barks, leaves and stems at optimum extraction ...

    • The root caused analysis of leakaged heat exchanger tube 

      Shaiful Rizam, Shamsudin; Mohd Arif Anuar, Mohd Salleh; Azmi, Rahmat, Assoc. Prof. Dr.; Mazlee, Mohd Noor, Dr.; Mohd Harun; Hafizal, Yazid (Carl Hanser Verlag GmbH & Co., 2015-03)
      AISI type 316L stainless steel was used as a heat exchanger tube material in an inter-cooler column. After less than a year of operation, severe corrosion failures occurred and a transverse opening leakage was observed on ...