Mohd Afendi Rojan
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Preferred name
Mohd Afendi Rojan
Official Name
Mohd Afendi , Rojan
Alternative Name
Afendi, Mohd
Rojan, M. Afendi
Afendi Rojan, M.
Afendy, M.
Rojan, M. A.
Mohd Afendi, R.
Afendi, M.
Main Affiliation
Scopus Author ID
57188766103
Researcher ID
GQR-0248-2022

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  • Publication
    Tensile Properties of Diffusion Bonded Duplex Stainless Steel to Low Carbon Steel
    ( 2020-01-01)
    Baharudin B.A.
    ;
    Hussain P.
    ;
    Mustapha M.
    ;
    Ayob F.
    ;
    Ismail A.
    ;
    Ab Rahman F.
    ;
    Khalid P.Z.M.
    ;
    Hamid D.A.
    ;
    Mohd Afendi Rojan
    The diffusion bonding is one of the methods used to join dissimilar metals. Specimens of duplex stainless steel and low carbon steel were joined by diffusion bonding under varied temperature and holding time. The specimens were clamped using jigs and heated in a furnace. Tensile test was performed on the joined samples. The effect of bonding time and holding temperature on tensile strength and quality of the diffusion bonds were observed. Tensile strength of the joints was examined and the highest tensile strength of 116.12 MPa are obtained at temperatures of 900 °C and holding time of 180 min.
  • Publication
    The Effect of Process Temperature and Holding Time on Weldability in Diffusion Welding of Duplex Stainless Steels and Marine Grade Steels for Oil and Gas Pipes
    (Springer Science and Business Media Deutschland GmbH, 2022-01-01)
    Baharudin B.A.
    ;
    Mustapha M.
    ;
    Azman M.A.
    ;
    Shamsuddin A.N.
    ;
    Ismail A.
    ;
    Tuan Anuwa T.M.N.
    ;
    Ab Rahman F.
    ;
    Ayob F.
    ;
    Hamid D.A.
    ;
    Mohd Afendi Rojan
    Diffusion welding is done on specimens of duplex stainless steel and low carbon steel under varied temperature and holding time. The specimens were clamped using jigs and pre-pressed at 10 MPa and heated in a furnace. Impact test were performed on the joined samples. The effect of process temperature and holding time on the impact strength of the diffusion welds were observed. The impact strength of the joints was examined, and the highest value of 0.9 J is obtained at a temperature of 1050 °C and holding time of 240 min.
      2  2
  • Publication
    Friction Stir Welding on AA5083 Tee Joint in 1F Position
    ( 2020-01-01)
    Ismail A.
    ;
    Awang M.
    ;
    Zuhir M.S.M.
    ;
    Rahman F.A.
    ;
    Baharudin B.A.
    ;
    Puteri Zarina M.K.
    ;
    Hamid D.A.
    ;
    Mohd Afendi Rojan
    ;
    Dahalan W.M.
    Friction stir welding (FSW) is a recent technique that exploits a non-consumable rotating welding tool to generate frictional heat and plastic deformation at the welding location. The principal advantages of FSW, being a solid-state process, are low distortion, absence of melt-related defects and high joint strength, even in those alloys that are considered non-weldable by conventional techniques. Hard materials such as steel and other important engineering alloys can now be welded efficiently using this process. The understanding has been useful in reducing defects and improving uniformity of weld properties and expanding the applicability of FSW to new engineering alloys. This project focuses mainly on the experimental study of FSW on AA5083 T-joint in 1F position. This study investigates the jig fixture and tool pin design with effects of pin rotation speed on the macrostructure of the joint. The present work deals with an experimental campaign aiming on FSW on aluminium alloy 5083 T-joint. Tool pins are fabricated using material high tensile steel H13 with angle shoulder with heat treatment process for surface-hardened tools.
      15  1