Browsing by Author "Faculty of Mechanical Engineering Technology, Universiti Malaysia Perlis (UniMAP)"

Now showing items 1-12 of 16

    • Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ 

      Nurliyana, Ariffin; Mohd Mustafa Al Bakri, Abdullah; Postawa, Przemysław; Shayfull Zamree, Abd Rahim; Mohd Remy Rozainy, Mohd Arif Zainol; Ramadhansyah, Putra Jaya; Sliwa, Agata; Mohd Firdaus, Omar (MDPI AG, 2021-02)
      This current work focuses on the synthesis of geopolymer-based adsorbent which uses kaolin as a source material, mixed with alkali solution consisting of 10 M NaOH and Na₂SiO₃ as well as aluminium powder as a foaming agent. ...

    • The effects of various concentrations of NaOH on the inter-particle gelation of a fly ash geopolymer aggregate 

      Alida, Abdullah; Kamarudin, Hussin; Mohd Mustafa Al Bakri, Abdullah; Zarina, Yahya; Sochacki, Wojciech; Rafiza, Abd Razak; Błoch, Katarzyna; Hamzah, Fansuri (MDPI AG, 2021-02)
      Aggregates can be categorized into natural and artificial aggregates. Preserving natural resources is crucial to ensuring the constant supply of natural aggregates. In order to preserve these natural resources, the production ...

    • Elevated-Temperature Performance, Combustibility and Fire Propagation Index of Fly Ash-Metakaolin Blend Geopolymers with Addition of Monoaluminium Phosphate (MAP) and Aluminum Dihydrogen Triphosphate (ATP) 

      Khairunnisa, Zulkifly; Cheng-Yong, Heah; Yun-Ming, Liew; Bayuaji, Ridho; Mohd Mustafa Al Bakri, Abdullah; Shamsul, Ahmad; Stachowiak, Tomasz; Szmidla, Janusz; Gondro, Joanna; Jeż, Bartłomiej; Mohd Suhaimi, Khalid; Garus, Sebastian; Shee-Ween, Ong; Wan-En, Ooi; Hui-Teng, Ng (MDPI AG, 2021-04-15)
      Thermal performance, combustibility, and fire propagation of fly ash-metakaolin (FA-MK) blended geopolymer with the addition of aluminum triphosphate, ATP (Al(H2PO4)3), and monoaluminium phosphate, MAP (AlPO4) were evaluated ...

    • Hybrid mold: comparative study of rapid and hard tooling for injection molding application using Metal Epoxy Composite (MEC) 

      Radhwan, Hussin; Safian, Sharif; Nabiałek, Marcin; Shayfull Zamree, Abd Rahim; Mohd Tanwyn, Mohd Khushairi; Mohd Azlan, Suhaimi; Mohd Mustafa Al Bakri, Abdullah; Mohd Hazwan, Mohd Hanid; Wysłocki, Jerzy J.; Bloch, Katarzyna (MDPI AG, 2021-02)
      The mold-making industry is currently facing several challenges, including new competitors in the market as well as the increasing demand for a low volume of precision moldings. The purpose of this research is to appraise ...

    • Mineralogical characterizations of Langkawi Ilmenite ore for carbothermal reduction 

      A. I., Mohammed; M. A., Idris; Z. A. Z., Jamal; N. F., Hayazi; T., Nomura (Universiti Malaysia Perlis (UniMAP), 2022-01)
      The mineralogical characterizations of Langkawi’s ilmenite were investigated using XRD, XRF and SEM/EDS for morphological analysis. The minerals mainly consist of the phases of FeTiO3, Fe3O4 and TiO2 by Rietveld refinement, ...

    • Optimisation of Shrinkage and Strength on Thick Plate Part Using Recycled LDPE Materials 

      Norshahira, Roslan; Shayfull Zamree, Abd Rahim; Abdellah El-hadj, Abdellah; Mohd Mustafa Al Bakri, Abdullah; Błoch, Katarzyna; Pietrusiewicz, Paweł; Nabiałek, Marcin; Szmidla, Janusz; Kwiatkowski, Dariusz; Correia Vasco, Joel Oliveira; Mohd Nasir, Mat Saad; Mohd Fathullah, Ghazali (MDPI AG, 2021-04-05)
      Achieving good quality of products from plastic injection moulding processes is very challenging, since the process comprises many affecting parameters. Common defects such as warpage are hard to avoid, and the defective ...

    • Performance of Sn-3.0Ag-0.5Cu composite solder with kaolin geopolymer ceramic reinforcement on microstructure and mechanical properties under isothermal ageing 

      Nur Syahirah, Mohamad Zaimi; Mohd Arif Anuar, Mohd Salleh; Sandu, Andrei Victor; Mohd Mustafa Al Bakri, Abdullah; Norainiza, Saud; Shayfull Zamree, Abd Rahim; Vizureanu, Petrica; Rita, Mohd Said; Mohd Izrul, Izwan Ramli (MDPI AG, 2021-02)
      This paper elucidates the effect of isothermal ageing at temperature of 85 °C, 125 °C and 150 °C for 100, 500 and 1000 h on Sn-3.0Ag-0.5Cu (SAC305) lead-free solder with the addition of 1 wt% kaolin geopolymer ceramic (KGC) ...

    • Phase Transformation of Kaolin-Ground Granulated Blast Furnace Slag from Geopolymerization to Sintering Process 

      Noorina Hidayu, Jamil; Mohd Mustafa Al Bakri, Abdullah; Faizul, Che Pa; Hasmaliza, Mohamad; Wan Mohd Arif, W. Ibrahim; Ikmal Hakem, Aziz; Jeż, Bartłomiej; Nabiałek, Marcin (MDPI AG, 2021-02)
      The main objective of this research was to investigate the influence of curing temperature on the phase transformation, mechanical properties, and microstructure of the as-cured and sintered kaolin-ground granulated blast ...

    • Self-Fluxing Mechanism in Geopolymerization for Low-Sintering Temperature of Ceramic 

      Faizul, Che Pa; Hasmaliza, Mohamad; Wan Mohd Arif, W. Ibrahim; Amonpattaratkit, Penphitcha; Gondro, Joanna; Sochacki, Wojciech; Norfadhilah, Ibrahim (MDPI AG, 2021-03-10)
      Kaolin, theoretically known as having low reactivity during geopolymerization, was used as a source of aluminosilicate materials in this study. Due to this concern, it is challenging to directly produce kaolin geopolymers ...

    • Simulation study on structure bumper beam using finite element analysis 

      Hambali, A.; Kasim, M. S.; Husshini, N. H. N.; Muhammad Nasiruddin, S.; MAM Nawi; Rosidah, J.; Mohamed, S. B.; Ito, Teruaki (Universiti Malaysia Perlis (UniMAP), 2022-03)
      One of the main parts of the automotive bumper system is the bumper beam. A bumper beam is a safety feature of a car where it functions to absorb impact energy during a collision. It is important to improve the bumper ...

    • Tool wear and surface evaluation in drilling fly ash geopolymer using HSS, HSS-Co, and HSS-TiN cutting tools 

      Mohd Fathullah, Ghazali; Mohd Mustafa Al Bakri, Abdullah; Shayfull Zamree, Abd Rahim; Gondro, Joanna; Pietrusiewicz, Paweł; Garus, Sebastian; Stachowiak, Tomasz; Victor Sandu, Andrei; Muhammad Faheem, Mohd Tahir; Erdi Korkmaz, Mehmet; Mohamed Syazwan, Osman (MDPI AG, 2021-03-26)
      This paper reports on the potential use of geopolymer in the drilling process, with respect to tool wear and surface roughness. The objectives of this research are to analyze the tool life of three different economy-grade ...

    • Warpage optimisation using Recycled Polycar-bonates (PC) on Front Panel Housing 

      Nur Aisyah Miza, Ahmad Tamizi; Abdellah El-hadj, Abdellah; Mohd Mustafa Al Bakri, Abdullah; Nabiałek, Marcin; J. Wysłocki, Jerzy; Jeż, Bartłomiej; Palutkiewicz, Paweł; Rozyanty, Abdul Rahman; Mohd Nasir, Mat Saad; Mohd Fathullah, Ghazli (MDPI AG, 2021-03-15)
      Many studies have been done using recycled waste materials to minimise environmental problems. It is a great opportunity to explore mechanical recycling and the use of recycled and virgin blend as a material to produce new ...