Mohd Mustafa Al Bakri Abdullah, Prof. Dr.: Recent submissions

Now showing items 121-140 of 265

    • Properties of fresh palm oil fuel ash based geopolymer material 

      Moslih Amer, Salih; Abang Abdullah, Abang Ali, Ir. Prof.; Ramazan, Demirboga; Mohd Mustafa Al-Bakri, Abdullah (American-Eurasian Network for Scientific Information (AENSI), 2013-10)
      In this paper, palm oil fuel ash (POFA) was used as the soul material to produce geopolymer binder. Sodium silicate mixed with sodium hydroxide was used as alkaline activator to activate the palm oil fuel ash. Activator ...

    • A comparative study of solder properties of Sn-0.7Cu lead-free solder fabricated via the powder metallurgy and casting methods 

      Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al Bakri, Abdullah; Sandu, Andrei Victor; Norainiza, Saud; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; McDonald, Stuart D.; Nogita, Kazuhiro (Syscom 18 SRL, 2013-07)
      The properties of Sn-0.7Cu solder bulk prepared via the powder metallurgy (PM) method were investigated and compared with solder bulk fabricated through casting. Distinct microstructures were observed in both PM and casting ...

    • Mechanical performances of fly ash geopolymer bricks 

      Wan Mastura, Wan Ibrahim; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr.; Mohd Mustafa Al Bakri, Abdullah (American Scientific Publishers, 2013-01)
      Geopolymer is a new class of three-dimensionally networked amorphous to semi-crystalline alumino-silicate materials, and first developed by Professor Davidovits in 1978. Geopolymers can be synthesized by mixing alumino-silicate ...

    • Machining performance of reinforced alumina insert in end milling of AISI 1018 steel 

      Mohd Nor Hakim, Hassan; Mohammad Ikhwan Zaini, Ridzwan; Zainal Arifin, Ahmad, Prof.; Mohd Mustafa Al Bakri, Abdullah; Azman, Ahmad Bakir; Mazlan, Mohamed (Trans Tech Publications, 2013-09)
      The main goal of this work is to investigate the performance of zirconia toughened alumina (ZTA) and ZTA reinforced with magnesium oxide (MgO) used as cutting insert in end milling of AISI 1018 steel with hardness of 27 ...

    • Thermal properties of different recycled acrylonitrile-butadiene rubber glove (NBRr) size and its blend ratios on SBR/NBRr blends 

      Nik Noriman, Zulkepli, Dr.; Hanafi, Ismail; Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al Bakri, Abdullah; Rosniza, Hamzah (Trans Tech Publications, 2013-09)
      The effects of SBR/NBRr blends on thermal properties of such thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC) were carried out. Results showed that by incorporating the smallest size NBRr ...

    • Malaysian Foxtail grass - A potential source of natural/agro fibre for polymer composite panel 

      Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Norazian, Mohamed Noor; Rafiza, Abdul Razak; Zarina, Yahya (Trans Tech Publications, 2013)
      Foxtail grass, also known as 'rumput bulu' by the local people, is one of the fast growing grasses abundantly available all over Malaysia. A full grown Foxtail grass attains a height of about 0.5 - 1.5 meters. The fibres ...

    • 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 ...

    • Comparison of original and sintered LUSI mud from East Java, Indonesia as raw material for making a geopolymer 

      Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Djwantoro, Hardjito, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (American Scientific Publishers, 2013-01)
      This paper presents the characterization of LUSI mud from East Java, Indonesia, as a potential raw material for making a geopolymer. Two types of LUSI mud were analyzed, i.e., original LUSI mud and LUSI mud that had been ...

    • 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, ...

    • The tensile properties and morphology analysis of recycled mattress filled natural rubber compounds 

      Nik Noriman, Zulkepli, Dr.; Mohd Firdaus, Omar; Sam, Sung Ting, Dr.; N. P., Shamni; Lokman Hakim, Ibrahim; Mohd Mustafa Al Bakri, Abdullah (AENSI Publisher All rights reserved, 2013-10)
      The tensile properties and morphology analysis of Recycled Mattress (rMat) filled Standard Malaysian Rubber (SMR L) and Epoxidized Natural Rubber (ENR 50) was successfully studied. The both compounds were prepared by two ...

    • Roles of imputation methods for filling the missing values: A review 

      Norazian, Mohamed Noor; Ahmad Shukri, Yahaya, Prof. Madya; Nor Azam, Ramli, Prof. Dr.; Noor Faizah Fitri, Md. Yusof, Dr.; Mohd Mustafa Al Bakri, Abdullah (AENSI Publisher All rights reserved, 2013-10)
      Missing data are often encountered in many areas of research. Complete case analysis and indicator method can lead to serious bias. One of the comforting methods is implementation of imputation methods. The main purpose ...

    • Effects of Recycled-Aluminium additions on the mechanical properties of Sn-0.7Cu/Cu-Substrate lead-free solder joints 

      Mohd Arif Anuar, Mohd Salleh; Somidin, Flora; Mohd Mustafa Al Bakri, Abdullah; Nik Noriman, Zulkepli; Mayappan, Ramani; Noor Farhani, Mohd Alui (Trans Tech Publications, 2013)
      Varying amount of recycled-Aluminium (0, 3.0, 3.5 and 4.0 wt.% re-Al) particulates produced from aluminium beverage cans were successfully reincorporated into Sn-0.7Cu base matrix solder material via powder metallurgy ...

    • Influence of solids-to-liquid and activator ratios on calcined kaolin cement powder 

      Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Luqman, Musa, Dr.; Mohd Mustafa Al Bakri, Abdullah; Heah, Cheng Yong; Khairul Nizar, Ismail; Mohammed, Binhussain; Liew, YunMing (Elsevier BV, 2011)
      This paper summarizes the effect of activator ratio on the processing of cement powder. Geopolymer slurry was produced via alkaline activation of calcined kaolin. Once the geopolymer slurry solidified, it was crushed and ...

    • Development of pilot plant for novel geopolymer brick making machine 

      Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Muhammad Faheem, Mohd Tahir; Shamsul, Baharin Jamaludin, Prof. Dr.; Mohammad Tamizi, Selimin; Muhd Izzat, Ahmad; Alida, Abdullah (American-Eurasian Network for Scientific Information, 2013)
      With rapid growing country's development and rose in construction activity, rising demand of building materials and increased construction wastes have encouraged the development of new building materials. Geopolymer based ...

    • 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 ...

    • Comparative study on thermal, compressive, and wear properties of palm slag brake pad composite with other fillers 

      Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Shamsul, Baharin Jamaludin, Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah (Trans Tech Publications, 2011)
      The attractive performance-to-cost ratio associated with the incorporation of waste material in composite formulations used to produce brake pads has stimulated the idea of exploring the possible incorporation of additional ...

    • Mechanical properties and morphology of palm slag, calcium carbonate and dolomite filler in brake pad composites 

      Shamsul, Baharin Jamaludin, Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Liyana, Jamaludin; Mohd Mustafa Al Bakri, Abdullah (Trans Tech Publications, 2013)
      The development of asbestos free brake pad composites using different fillers was investigated with a intention to substitute asbestos which is known hazardous and carcinogenic. Mechanical and morphology studies were made ...

    • Cu-SiCp composites as advanced electronic packaging materials 

      Azmi, Kamardin; Mohd Nazree, Derman, Dr.; Mohd Mustafa Al Bakri, Abdullah; Sandu, A.V. (Trans Tech Publications, 2014)
      The demand for advanced thermal management materials such as silicon carbide particles reinforced copper matrix (Cu-SiCp) composites is increasing due to the stringent design requirement in the electronic packaging industries. ...

    • Radiation shielding characteristics of concretes incorporates different waste materials 

      Ali Basheer, Azeez; Kahtan Sadiq, Muhammed, Dr.; Mohd Mustafa Al Bakri, Abdullah; Hana, Ihsan Hasan (Trans Tech Publications, 2014)
      Samples of concrete incorporate different waste materials such as iron filings, iron balls of used ball bearings and slags from steel industry were assessed for their anti-radiation attenuation coefficient properties. The ...

    • Compressive strength of fly ash based geopolymer / glass fiber composite via filament winding 

      Che Mohd Ruzaidi, Ghazali, Prof. Madya; Alida, Abdullah; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Anis Nadhirah, Ismail (Trans Tech Publications, 2014)
      In general, filament winding technique is used to fabricate the composite pipes using continuous fiber and matrix resin. In this study, fly ash based geopolymer resin composites reinforced by continuous glass fiber were ...