Browsing Researchers by Title

Now showing items 2661-2680 of 3490

    • Propagation model for wireless sensor networks: Review and modeling 

      Latifah Munirah, Kamarudin; R. Badlishah, Ahmad, Prof. Madya Dr.; Ong, Bi Ling (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      In simulation environments, prediction of path losses, maximum communication coverage for each node and received signal strength are calculated by using propagation model. However, most of the simulation tools only offer ...

    • Properties and behavior of Geopolymer Concrete Subjected to Explosive Air Blast Loading: a review 

      Nurul Aida, Mohd Mortar; Kamarudin, Hussin; Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Ahmad Humaizi, Hilmi; Andrei Victor, Sandu (EDP Sciences, 2017)
      The severe damage to civilian buildings, public area, jet aircraft impact and defense target under explosive blast loading can cause a huge property loss. Most of researcher discusses the topics on design the concrete ...

    • Properties of a New Insulation Material Glass Bubble in Geopolymer Concrete 

      Noor Fifinatasha, Shahedan; Mohd Mustafa Al Bakri, Abdullah; Norsuria, Mahmed; Kusbiantoro, Andri; Tammas-Williams, Sam; Li, Long-Yuan; Ikmal Hakem, Aziz; Vizureanu, Petrica; Wysłocki, Jerzy J.; Bloch, Katarzyna; Nabiałek, Marcin (MDPI AG, 2021-02)
      This paper details analytical research results into a novel geopolymer concrete embedded with glass bubble as its thermal insulating material, fly ash as its precursor material, and a combination of sodium hydroxide (NaOH) ...

    • Properties of Al and Pd contacts on n-type SiC membranes 

      Nashrul Fazli, Mohd Nasir, Dr.; Leech, Patrick William; Holland, Anthony Stephen; Reeves, Geoffrey K.; Tanner, Philip G. (Materials Research Society, 2012-04)
      Membranes with dimensions up to 10 mm x 15 mm have been fabricated in epitaxial 3C-SiC/Si wafers. An array of CTLM metal contacts was deposited onto the upper surface of the n-SiC membrane. Both Al/n-SiC and Pd/n-SiC ...

    • Properties of chicken feather fiber-filled low-density polyethylene composites: The effect of polyethylene grafted maleic anhydride 

      Supri, Abdul Ghani, Prof. Madya Dr.; Soo, Jin Tan; Teh, Soo Yeng (Taylor and Francis Group, LLC., 2013-04)
      The effects of polyethylene grafted maleic anhydride on tensile properties, morphology, thermal degradation, and swelling behavior of low density polyethylene/chicken feather fiber composites were studied. The LDPE/CFF ...

    • Properties of chitosan-filled polypropylene (PP) composites: The effect of acetic acid 

      Salmah, Husseinsyah, Prof. Madya Ir. Dr.; Faisal Amri; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Taylor and Francis Group, LLC, 2012-01)
      The main objective of this research was to investigate the effect of chitosan content and chemical modification with acetic acid on mechanical and thermal properties of PP/Chitosan. It was found that the tensile strength, ...

    • Properties of coconut shell powder-filled polylactic acid ecocomposites: Effect of maleic acid 

      Koay, Seong Chun; Salmah, Husseinsyah, Prof. Madya Ir. Dr.; Hakimah, Osman, Dr. (Society of Plastics Engineers, 2013-05)
      Ecocomposites were produced by incorporating coconut shell powder (CSP) into polylactic acid (PLA) resin. The effect of filler content and chemical modification on the mechanical properties, thermal properties, and morphology ...

    • Properties of concrete containing rice husk ash under sodium chloride subjected to wetting and drying 

      Ramadhansyah Putra, Jaya; Salwa, Mohd Zaini Makhtar; Mahyun, Ab Wahab; Abu Bakar; Megat Azmi, Megat Johari; Che Norazman, Che Wan (Elsevier B.V., 2012)
      In this study, the influences of different replacement levels of RHA blended cement concrete subjected to 5% NaCl solution with drying-wetting cycles was evaluated. For parametric study, RHA was used as a Portland cement ...

    • Properties of concrete with different percentange of the rice husk ash (RHA) as partial cement replacement 

      Mustaqqim, Abdul Rahim; Norlia, Mohamad Ibrahim; Zulliza, Idris; Zuhayr, Md Ghazaly; Shahiron, Shahidan; Nur Liza, Rahim; Liyana, Ahmad Sofri; Nur Fitriah, Isa (Trans Tech Publications Ltd, 2015)
      The use of pozzolanic material from waste product as partial cement replacement in concrete contribute to reduce the environmental, economic problem through their waste and as well enhance the strength and properties of ...

    • The properties of epoxy resin coated silica fillers composites 

      Teh, Pei Leng, Dr.; Mariatti, Mustapha; Hazizan, Md Akil; Yeoh, Cheow Keat, Dr.; Seetharamu, Kankanhally N.; Amir Nur Rashid, Wagiman; Beh, Keh Shin (Elsevier Ltd., 2007-05)
      Epoxy resin coated silica fillers composites with high percentage of filler loading, such as 80 to 95 vol.% are able to be produced by a mechanical mixing technique. The advantages of high filler loading of theses materials ...

    • 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 ...

    • Properties of hooked steel fibers reinforced alkali activated material concrete 

      Meor Ahmad Faris, Meor Ahmad Tajudin; Mohd Mustafa Al Bakri, Abdullah; Khairul Nizar, Ismail; Ratnasamy, Muniandy; Aiman, Mahmad Nor; Ramadhansyah, Putra Jaya; Warid Wazien, Ahmad Zailani‬ (EDP Sciences, 2016)
      In this study, alkali activated material was produced by using Class F fly ash from Manjung power station, Lumut, Perak, Malaysia. Fly ash then was activated by alkaline activator which is consisting of sodium silicate ...

    • Properties of lightweight bubbles aggregate (LBA) for the replacement of coarse aggregates in concrete 

      Norlia, Mohamad Ibrahim; Leong Qi, Wen; Roshazita, Che Amat; Taksiah, Abdul Majid; Nur Liza, Rahim; Shamshinar, Shamsuddin (Trans Tech Publications Ltd., 2015)
      The depletion of natural resources in the production of coarse aggregate are very crucial. Construction materials are solely depends on natural granite in the making of cement composite. Therefore, there is an urgency need ...

    • Properties of lightweight concrete composites with mixture of fly ash and concrete sludge aggregate 

      Norlia, Mohamad Ibrahim; Roshazita, Che Amat; Shamshinar, Salehuddin; Nur Liza, Rahim; Abdul Rahim, Abdul Razak; Ooi, Wei Hong (Trans Tech Publications, 2014)
      Lightweight foamed concrete is a concrete made by cement slurry mixed with foam so that foamed concrete that is much lighter than conventional concrete can be produced. The objectives of this study is to develop optimal ...

    • Properties of low-density polyethylene/palm kernel shell composites: Effect of polyethylene co-acrylic acid 

      Salmah, Husseinsyah, Dr. Ir.; Romisuhani, A.; Akmal Hadi, Ma'Radzi (SAGE Publications, 2013-02)
      Palm kernel shell (PKS)-filled low-density polyethylene (LDPE) composites was studied. The polyethylene co-acrylic acid (PEAA) was used as compatibilizer. The tensile properties, thermal analysis, water absorption, and ...

    • Properties of metakaolin geopolymeric binder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohamed, Bnhussain, Prof. Dr.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Heah, Cheng Yong (American Scientific Publishers, 2013-01)
      This paper investigates the physical and mechanical properties as well as the morphology study of the MK geopolymeric binder. Mixture of waterglass liquid and NaOH solution were used as the activator solution for the ...

    • Properties of modified polystyrene lightweight aggregate in concrete 

      R., Fetra Venny; Khairul Nizar, Ismail, Dr.; Mohd Mustafa Al Bakri, Abdullah (Universiti Malaysia Pahang, 2009-06-20)
      Several experiments were conducted to characterize the properties of modified polystyrene lightweight aggregate in concrete. Microstructure of modified polystyrene lightweight aggregate in concrete can be assessed by ...

    • Properties of modified sand brick using coconut shell 

      Shamshinar, Salehuddin; Norlia, Mohamad Ibrahim; Abdul Hasib, Mahamod (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In accordance with conservation efforts, this research is focuses on prevention of environmental pollution and considers the elements of sustainable and cost-saving for construction projects, especially material usage. ...

    • Properties of natural rubber/ethylene propylene diene monomer/recycled latex catheter (NR/EPDM/rLC) ternary blends: Cure characteristics and hardness 

      Lokman Hakim, Ibrahim; Nik Noriman, Zulkepli, Dr.; Sam, Sung Ting, Dr.; Luqman, Musa; Rosniza, Hamzah (Trans Tech Publications, 2013-12)
      Currently, the recycled rubber widely being used in rubber technology. Due to difficulty on reprocessing techniques, the vulcanized rubbers being a big problem in the recycled field. One of the main forms of discharge ...

    • The properties of palm kernel shell (PKS) powder filled styrene butadiene rubber (SBR) composites 

      N., Mohd Noor; Teh, Pei Leng, Dr.; Salmah, Husseinsyah, Prof. Madya Dr. Ir.; Yeoh, Cheow Keat, Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In this study, palm kernel shell (PKS) with 150um size (average particle size) was used as filler in styrene butadiene rubber (SBR) composites. The effect of filler loading on tensile properties, swelling behavior and ...