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    Synthesis of sodium silicate from rice husk ash as an activator to produce epoxy-geopolymer cement 

    L. Handayani; S. Aprilia; Abdullah; C. Rahmawati; Mohd Mustafa Al Bakri, Abdullah; Ikmal Hakem, Aziz; Emy Aizat, Azimi (IOP Publishing Ltd, 2021-03)
    Rice husk ash (RHA), a byproduct of the rice industry, is the primary source of amorphous silica for producing sodium silicate solutions to replace standard commercial sodium silicate in geopolymer mixture design. The ...
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    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 ...
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    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 ...
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    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 ...
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    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 ...
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    Image analysis of surface porosity mortar containing processed spent bleaching earth 

    Wei Chong, Beng; Rokiah, Othman; Ramadhansyah, Putra Jaya; Shu Ing, Doh; Li, Xiaofeng; Mohd Haziman, Wan Ibrahim; Mohd Mustafa Al Bakri, Abdullah; Sandu, Andrei Victor; Płoszaj, Bartosz; Szmidla, Janusz; Stachowiak, Tomasz (MDPI AG, 2021-03-28)
    Image analysis techniques are gaining popularity in the studies of civil engineering materials. However, the current established image analysis methods often require advanced machinery and strict image acquisition procedures ...
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    Behavior of alkali-activated fly ash through underwater placement 

    Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; Li, Long-yuan; Nergis, Dumitru Doru Burduhos; Muhammad Aiman Asyraf, Zainal Hakimi; Sandu, Andrei Victor; Vizureanu, Petrica; Rafiza, Abd Razak (MDPI AG, 2021-11-14)
    Underwater concrete is a cohesive self-consolidated concrete used for concreting underwater structures such as bridge piers. Conventional concrete used anti-washout admixture (AWA) to form a high-viscosity underwater ...
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    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 ...
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    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 ...
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    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 ...
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    Mohd Mustafa Al Bakri, Abdullah (30)
    Nabiałek, Marcin (11)Sandu, Andrei Victor (8)Rafiza, Abd Razak (7)Shayfull Zamree, Abd Rahim (7)... View MoreSubjectFly ash (6)Geopolymers (6)Geopolymer (5)Compressive strength (4)Bonding zone (3)... View MoreDate Issued2022 (1)2021 (19)2020 (10)

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