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

Now showing items 159-178 of 279

    • Mechanical properties of ZTA composite using cold isostatic pressing and uniaxial pressing 

      Mohd Mustafa Al-Bakri, Abdullah; Ahmad Fauzi, Mohd Noor, Prof. Dr; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Norazian, Mohamed Noor; Mohd Arif Anuar, Mohd Salleh; Alida, Abdullah (Trans Tech Publications, 2013)
      Alumina-zirconia composite is an engineering material with a great potential to be develop for application as high temperature resistance structural material. In this research, zirconia toughness alumina (ZTA) was produced ...

    • Mesoporous structure of doped and undoped PEG on Ag/TiO₂ thin film 

      Kamrosni, Abdul Razak; Dewi Suriyani, Che Halin; Azliza, Azani; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Suhaila, Sepeai (IOP Publishing Ltd, 2019-08)
      In this reaserch, photocatalyst silver titanium dioxide was doped and modified by Polyethylene Glycol (PEG). The purpose of the present study was to analyse the synthesized Ag/TiO₂ thin film doped and undoped PEG. Ag/TiO₂ ...

    • Microstructural analysis of fly ash-based geopolymers with various alkali concentration 

      Hui-Teng, Ng; Cheng-Yong, Heah; Yun-Ming, Liew; Mohd Mustafa Al Bakri, Abdullah; Yong-Sing, Ng (IOP Publishing Ltd, 2019-08)
      In the present work, a comparative study on the effect of different concentration of sodium hydroxide (NaOH) on fly ash-based geopolymer was investigated. The geopolymer synthesis by mixing fly ash with alkali activator ...

    • Microstructural analysis of geopolymer and ordinary Portland cement mortar exposed to sulfuric acid 

      Mohd Izzat, Ahmad; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Moga, Ligia Mihaela; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Muhammad Faheem, Mohd Tahir; Sandu, Andrei Victor (Revista De Materiale Plastice, 2013-09)
      The vulnerability of ordinary Portland cement (OPC) concrete to acidic attack is a worrying subject regarding the future durability of this binder. On the other side of binder's technology, the new technology of cement ...

    • Microstructural studies of doped PEG Ag/TiO₂ thin film 

      Kamrosni, Abdul Razak; Dewi Suriyani, Che Halin; Azliza, Azani; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Chobpattana, Varistha; Ayu Wazira, Azhari (IOP Publishing Ltd, 2019-12)
      Ag/TiO₂ thin film was prepared by the sol-gel method through the hydrolysis of titanium tetraisopropoxide and silver nitrate solution. Various amount of PEG was doped into the solution preparation to study the effect on ...

    • Microstructure and wettability of Graphene Oxide/TiO2 thin film prepared via sol-gel method 

      Azliza, Azani; Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Suhaila, Sepeai (IOP Publishing Ltd, 2019-08)
      The microstructure of graphene oxide TiO2 (GO/TiO2) films on wettability and morphology properties were studied at different amount of Titanium isopropoxide with fixed amount of GO. GO/TiO2 thin films were prepared by using ...

    • Microstructure evolution of Ag/TiO₂ thin film 

      Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Arif Anuar, Mohd Salleh; Mohd Izrul Izwan, Ramli; Mohd Mustafa Al Bakri, Abdullah; Ayu Wazira, Azhari; Kazuhiro, Nogita; Hideyuki, Yasuda; Nabiałek, Marcin; Wysłocki, Jerzy J. (MDPI AG, 2021-01)
      Ag/TiO₂ thin films were prepared using the sol-gel spin coating method. The microstructural growth behaviors of the prepared Ag/TiO₂ thin films were elucidated using real-time synchrotron radiation imaging, its structure ...

    • Microstructure studies on different types of Geopolymer materials 

      Mohd Mustafa Al Bakri, Abdullah; Adila, Abdullah; Muhammad Faheem, Mohd Tahir; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Mohd Arif Anuar, Mohd Salleh; Sandu, AV (Trans Tech Publications, 2013)
      Geopolymer is a new binding material produced to substitute the ordinary Portland cement (OPC) function as a binder in concrete. As we know, different types of geopolymer will have different properties. In this research, ...

    • Microstructure studies on the effect of the alkaline activators of fly ash-based geopolymer at elevated heat treatment temperature 

      Mohd Mustafa Al-Bakri, Abdullah; Omar A., Abdulkareem; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya; Alida, Abdullah (Trans Tech Publications, 2013)
      Fly ash-based geopolymers are new binding materials produced to replace the ordinary Portland cement (OPC) used in concrete. In this research, the effect of alkaline activators on the compressive strength and the microstructure ...

    • Microstructure study on optimization of high strength fly ash based geopolymer 

      Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya (Trans Tech Publications, 2012)
      The compressive strength and microstructural characteristics of fly ash based geopolymer with alkaline activator solution were investigated. The sodium hydroxide and sodium silicate were mixed together to form an alkaline ...

    • Microstructure study on volcano ash geopolymer aggregate at different sintering temperature 

      Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Djwantoro, Hardjito, Dr.; Wan Hamidon Wan Badaruzzaman, Ir. Dr.; Zarina, Yahya (Trans Tech Publications, 2014)
      Recent research shows that the by-product materials such as fly ash can be used as raw material in producing aggregates and lightweight aggregates. The usage of this material can improve the quality of the aggregates ...

    • Modelling of PM 10 concentration for industrialized area in Malaysia: A case study in Shah Alam 

      Norazian, Mohamed Noor; Mohd Mustafa, Al Bakri Abdullah; Tan, Cheng Yau; Nor Azam, Ramli; Ahmad Shukri, Yahaya; Noor Faizah Fitri, Md. Yusof (Elsevier BV, 2011)
      In Malaysia, the predominant air pollutants are suspended particulate matter (SPM) and nitrogen dioxide (NO 2). This research is on PM 10 as they may trigger harm to human health as well as environment. Six distributions, ...

    • Morphology and properties of geopolymer coatings on glass fibre-reinforced epoxy (GRE) pipe 

      Noor Fifinatasha, Shahedan; Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali; Mohammed, Binhussain; Al Husaini, Mohammed; Kamarudin, Hussin (EDP Sciences, 2016)
      Geopolymer coatings were coated on glass fibre-reinforced epoxy (GRE) pipe by using kaolin, white clay and silica sand as source materials and sodium hydroxide (NaOH) and sodium silicate (Na2SiO3) as alkaline solution. The ...

    • Nano geopolymer for sustainable concrete using fly ash synthesized by high energy ball milling 

      Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Liyana, Jamaludin; Che Mohd Ruzaidi, Ghazali, Prof. Madya (Trans Tech Publications, 2013)
      This paper presents the development of a nano geopolymer for sustainable concrete using fly ash synthesized by high-energy ball milling. In this paper, we report on our investigation of the effects of grinding on the binder ...

    • A new invention of thermal pad using sol-gel nano-silver doped silica film in plastic leaded chip carrier (PLCC) application by using computational fluid dynamic sofrware, CFD analysis 

      Mazlan, Mohamed; A. Rahim; Mohd Mustafa Al-Bakri, Abdullah; Iqbal, M. A.; Wan Yusra Hannanah, Wan Abdul Razak; Mohammad Shahril, Salim (Trans Tech Publications, 2013)
      Thermal pad is new technology in the world that been used in PLCC in order to reduce junction temperature to the minimum level in electronic components. Thermal Pad was made by using nano-silver as main material. Nano-silver ...

    • New processing method of kaolin-based geopolymer brick by using geopolymer brick machine 

      Muhammad Faheem, Mohd Tahir; Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Izzat, Ahmad; Alida, Abdullah (Trans Tech Publications, 2014-01)
      With increased activity in construction, deficiency of building materials and construction waste improvements have encouraged the development of new building materials. Conventional construction bricks are usually made ...

    • Nickel (Ni) microalloying additions in Sn-Cu lead-free solder. short review 

      Mohd Arif Anuar, Mohd Salleh; Sandu, I G; Mohd Mustafa Al Bakri, Abdullah; Sandu, I (IOP Publishing Ltd, 2017-06)
      In this digital-age era, solder plays important role in electronic packaging industries. As interconnects material, solder provide an electrical and mechanical support to the electronics devices. Solder usually consist of ...

    • Novel Bentonite Ash Green Concrete 

      Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Kamarudin, Hussin Prof. Dr.; Alida, Abdullah; Mohamad Tarmizi, Selimin (Universiti Sains Islam Malaysia (USIM), 2010-09-26)
      Kwantas Oil Sdn Bhd recently we have invested in biomass boiler. Where the fuel is waste spent bleaching earth, the ash (bentonite earth ash) content of this fuel 65%.

    • A novel study on using Vietnam rice hush ash and cullet as environmental materials 

      Pham, Trung Kien; Tran, Thi Thien Ly; Pham, Thi Lan Thanh; Tran, Pham Quang Nguyen; Nguyen, Hoc Thang; Mohd Mustafa Al Bakri, Abdullah (EDP Sciences, 2017)
      This work introduces novel method to prepare ecomaterials wollastonite (CaSiO₃) using the hydrothermal treatment technique of Rice hush ash (RHA), glass cullet and CaO at 180° C for 24 hour so as the Ca/Si molar ration of ...

    • Numerical investigation of heat transfer of twelve Plastic Leaded Chip Carrier (PLCC) by using computational fluid dynamic, FLUENT™ software 

      Mazlan, Mohamed; A. Rahim; Iqbal, M. A.; Mohd Mustafa Al Bakri, Abdullah; Wan Yusra Hannanah, Wan Abdul Razak; Mohd Nor Hakim, Hassan (Trans Tech Publications, 2013)
      Plastic Leaded Chip Carrier (PLCC) package has been emerged a promising option to tackle the thermal management issue of micro-electronic devices. In the present study, three dimensional numerical analysis of heat and fluid ...