Browsing Mohd Mustafa Al Bakri Abdullah, Prof. Dr. by Title

Now showing items 240-259 of 279

    • Seawater exposure effect on fly ash based geopolymer concrete with inclusion of steel fiber 

      Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; Yee Jing, Leow; Long-Yuan, Li; Rafiza, Abd Razak (IOP Publishing Ltd, 2020-02)
      Concrete is widely used in construction offshore such as concrete floating bridges and sea tank. This research is providing an alternative construction material to replace ordinary Portland cement (OPC) concrete known as ...

    • 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 ...

    • Strength and microstructural properties of mechanically-activated kaolin geopolymers 

      Cheng, Yong Heah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohammed, Bnhussain; Luqman, Musa; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liew, Yun Ming (Trans Tech Publications, 2012-12)
      Kaolin geopolymers exhibit low strength properties due to its plate-like nature which contribute to smaller surface area for geopolymerization reactions. Layered kaolin structure only allows very little, if any, substitution ...

    • Strength of concrete based cement using recycle ceramic waste as aggregate 

      Mohd Mustafa Al-Bakri, Abdullah; Norazian, Mohamed Noor; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Arif Anuar, Mohd Salleh; Adila, Abdullah (Trans Tech Publications, 2013)
      The main focus of this research is to study the strength of concrete with ceramic waste as coarse aggregate. The sources of ceramic waste are obtained from the industrial in Malaysia. Presently, in ceramics industries the ...

    • Strength of concrete with ceramic waste and quarry dust as aggregates 

      Mohd Mustafa Al-Bakri, Abdullah; Norazian, Mohamed Noor; Mazlan, Mohamed; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liyana, Jamaludin (Trans Tech Publications, 2013)
      This research focuses on a study of the strength of concrete with ceramic waste as coarse aggregate and quarry dust as fine aggregate. The sources of ceramic waste and quarry dust are obtained from the industrial in Malaysia. ...

    • Strength, density and water absoprtion of Palm oil boiler ash (POBA) geopolymer brick/IBS brick 

      Zarina, Yahya; Kamarudin, Hussin; Mohd Mustafa Al Bakri, Abdullah; Khairul Nizar, Ismail; Rafiza, Abd Razak (Trans Tech Publications Ltd., 2016-01)
      Geopolymer or alkali-activated binder is produced by synthesizing aluminosilicate source materials with an alkaline activator solution. This study has been conducted to produce palm oil boiler ash (POBA) geopolymer brick/IBS ...

    • Structural modifications of superficial layer of C45 steel samples through WT20 and WZr8 depositions 

      Achiței, D C; Mohd Mustafa Al Bakri, Abdullah; Sandu, A V; Țugui, A C; Benchea, M (IOP Publishing Ltd, 2017-06)
      The paper presents technological aspects regarding the modification of mechanical chracteristics in the superficial layer of C45 steel samples, through thin layers deposition using WT20 and WZr8 electrodes. Deposition of ...

    • The structure and properties of rapid cooled iron based alloy 

      Jeż, B; Nabialek, M; Pietrusiewicz, P; Gruszka, K; Błoch, K; Gondro, J; Rzącki, J; Mohd Mustafa Al Bakri, Abdullah; Sandu, A V; Szota, M; Jeż, K; Sałagacki, A (IOP Publishing Ltd, 2017)
      In this paper we studied the structure of rapidly cooled alloy which composition was based on iron. Samples were prepared using arc melting under protective atmosphere of argon and then casted in the process of rapid cooling ...

    • Study of concrete using modified polystyrene coarse aggregate 

      Mohd Mustafa Al-Bakri, Abdullah; Zarina, Yahya; Norazian, Mohamed Noor; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Rafiza, Abdul Razak (Trans Tech Publications, 2013)
      Polymer recycling has received a great deal of attention in recent years. At the present time, small percentages of polymer wastes in Malaysia are being recycled. The recycling process has typically consisted of reprocessing ...

    • Study on fired clay bricks by replacing clay with palm oil waste: effects on physical and mechanical properties 

      Aeslina, Abdul Kadir; Noor Amira, Sarani; Mohd Mustafa Al Bakri, Abdullah; Perju, M C; Sandu, Andrei Victor (IOP Publishing Ltd, 2017-06)
      Palm oil is one of the major agricultural industries in Malaysia. Due to the poor management system, the discarded palm oil waste has always been linked to the environment issues. During processing of palm oil, a considerable ...

    • Study on fly ash based geopolymer for coating applications 

      Mohd Mustafa Al-Bakri, Abdullah; Liyana, Jamaludin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Izzat, Ahmad (Trans Tech Publications, 2013)
      Geopolymer is cementitious binders that do not require the presence of ordinary Portland cement (OPC). Fly ash with geopolymer formulations prepared with mixing alumino-silicate with the alkaline activator solution has ...

    • Study on physical and chemical properties of fly ash from different area in Malaysia 

      Khairul Nizar, Ismail, Assoc. Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Rafiza, Abdul Razak; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Alida, Abdullah; Zarina, Yahya (Trans Tech Publications, 2013-12)
      Fly ash is residue from the combustion of coal which widely available in worldwide and lead to waste management proposal. Moreover, the use of fly ash is more environmental friendly and save cost compared to OPC. Fly ash ...

    • Study on properties and morphology of kaolin based geopolymer coating on clay substrates 

      Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Mustafa Al Bakri, Abdullah; Mohamed, Bnhussain, Prof. Dr.; Siti Salwa, M.S.; Alida, Abdullah; Muhammad Faheem, Mohd Tahir; Azlin, S.S. (Trans Tech Publications, 2013-12)
      The application of geopolymer as a coating was not widely explored by other researchers and therefore the study of kaolin based geopolymer coating applied on different types of clay substrate (unsintered and sintered) was ...

    • Study on radioactivity components, water quality and microstructure characteristic of volcano ash as geopolymer artificial aggregate 

      Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Sandu, Ion; Djwantoro, Hardjito, Dr.; Zarina, Yahya (SYSCOM 18, 2013-06)
      The assessments of radioactivity, water qualitytesting and microstructure characteristic of volcano ash have been examined. The measurement of the 226Ra, 232Th, 40K, and 238U were carried out using radioactive concentration ...

    • Study on refractory materials application using geopolymer processing 

      Mohd Mustafa Al-Bakri, Abdullah; Liyana, Jamaludin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Rafiza, Abdul Razak; Mohd Izzat, Ahmad (American Scientific Publishers, 2013-01)
      Geopolymer is cementitious binders that do not require the presence of ordinary Portland cement (OPC). Class F fly ash with geopolymer formulations prepared with an alkaline activator (mixture of Na2SiO3 and NaOH solutions) ...

    • A study on relationship between porosity and compressive strength for geopolymer paste 

      Farah Farhana, Zainal; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Azmi, Rahmat, Prof.; Mohd Mustafa Al-Bakri, Abdullah (Trans Tech Publications, 2013-12)
      This paper presents a study on the relationship between porosity and compressive strength for geopolymer paste. In this research, geopolymer paste was made from fly ash class F based geopolymer mixed with alkaline activator; ...

    • Study on the geopolymer concrete properties reinforced with hooked steel fiber 

      Mohd Mustafa Al Bakri, Abdullah; Muhammad Faheem, Mohd Tahir; Meor Ahmad Faris, Meor Ahmad Tajudin; J. J. Ekaputri; R. Bayuaji; Nuranissa Azrin, Mohd Khatim (IOP Publishing Ltd, 2017-06)
      In this research, Class F fly ash and a mixture of alkaline activators and different amount of hooked steel fiber were used for preparing geopolymer concrete. In order to analyses the effect of hooked steel fiber on the ...

    • Sukan 8th IMT-GT Varsity Carnival 

      Mohd Mustafa Al Bakri, Abdullah (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-09)

    • Surface characterization of new biomaterials 

      Minciuna, M G; Vizureanu, P; Mohd Mustafa Al Bakri, Abdullah; Achitei, D C; Istrate, B; Cimpoesu, R; Focsaneanu, S C (IOP Publishing Ltd, 2017-06)
      This paper presents the characterization of new alloys CoCrMoSi6, CoCrMoSi7, CoCrMoSi10, in terms of hardness determinations, fractographic analysis and surface analysis. The original version of the alloy was obtained by ...

    • Surface topographical modification of coronary stent: a review 

      Tan, C H; Noorhafiza, Muhammad; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2017-06)
      Driven by the urge of mediating the inflammatory response from coronary stent implant to improve patency rates of the current coronary stent, concern has been focusing on reducing the risk of in-stent restenosis and ...