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Kamarudin Hussin
Preferred name
Kamarudin Hussin
Official Name
Hussin, Kamarudin
Alternative Name
Hussin, K.
Hussin, Kamarudin
Kamarudin, Hussin
Kamaruddin, Hussin
Kamaruddin, H.
Husin, Kamarudin
Main Affiliation
Scopus Author ID
16642513600
Researcher ID
FZF-9851-2022
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1 - 10 of 81
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PublicationFly Ash porous material using geopolymerization process for high temperature exposure( 2012-04-10)
; ; ; ;Mohamed Bnhussain ;Che Mohd Ruzaidi GhazaliMohd Izzat AhmadThis paper presents the results of a study on the effect of temperature on geopolymers manufactured using pozzolanic materials (fly ash). In this paper, we report on our investigation of the performance of porous geopolymers made with fly ash after exposure to temperatures from 600 °C up to 1000 °C. The research methodology consisted of pozzolanic materials (fly ash) synthesized with a mixture of sodium hydroxide and sodium silicate solution as an alkaline activator. Foaming agent solution was added to geopolymer paste. The geopolymer paste samples were cured at 60 °C for one day and the geopolymers samples were sintered from 600 °C to 1000 °C to evaluate strength loss due to thermal damage. We also studied their phase formation and microstructure. The heated geopolymers samples were tested by compressive strength after three days. The results showed that the porous geopolymers exhibited strength increases after temperature exposure. -
PublicationThermal insulation properties of insulated concrete( 2019-01-01)
;Shahedan N.F. ; ; ;Kusbiantoro A. ; ;Sandu A.V.Naveed A.In building development, concrete is world most reliable, durable and versatile in construction materials. However, the heating and cooling system of the building is influenced by outside temperature due to extreme weather or areas condition leads to the consumption of a lot of electrical power. Thermally insulated concretes represent alternative construction materials to improve the thermal efficiency in building development. Various construction materials have different thermal insulation properties and thus, their suitability for various conditions vary. Thermal insulation properties are generally identified through specific heat, thermal conductivity, thermal diffusivity, thermal expansion, and mass loss. This paper present review the thermal insulation properties of variations insulated concrete are presently in growing demand of researchers to comfort and resolve prescribed issues related to insulated concrete in enhancing thermal insulation properties as a passive energy saving building. -
PublicationEffect of NaOH molar concentration on microstructure and compressive strength of Dolomite/Fly Ash-Based geopolymers( 2021)
;Emy Aizat Azimi ;M.A.A. Mohd Salleh ; ;Ikmal Hakem A. Aziz ; ;Jitrin Chaiprapa ;Petrica Vizureanu ;Sorachon Yoriya ;Marcin NabiałekJerzy J. WyslockiDolomite can be used as a source of aluminosilicate to produce geopolymers; however, this approach is limited by its low reactivity. This study analyzes the viability of producing geopolymers using dolomite/fly-ash with sodium silicate and NaOH solutions (at multiple concentrations) by determining the resultant geopolymers’ compressive strengths. The dolomite/fly-ash-based geopolymers at a NaOH concentration of ~22 M resulted in an optimum compressive strength of 46.38 MPa after being cured for 28 days, and the SEM and FTIR analyses confirmed the denser surface of the geopolymer matrix. The synchrotron micro-XRF analyses confirmed that the Ca concentration exceeded that of Si and Mg, leading to the formation of calcium silicate hydrate, which strengthens the resulting geopolymers. -
PublicationIsu pemansuhan peperiksaan Ujian Penilaian Sekolah Rendah (UPSR) dan Penilaian Menengah Rendah (PMR): satu analisis persepsi staf UniMAP(Universiti Malaysia Perlis (UniMAP), 2012-03-29)
; ;Raja Shah Erman Raja Ariffin ; ;Mohd Hizazy Yusof ;Mohd Jabar Tariq Alizul PakarDzairi Asrul DzainolIsu Pemansuhan peperiksaan Ujian Penilaian Sekolah Rendah(UPSR) dan Penilaian Menengah Rendah(PMR) hangat rnenghiasi dada akhbar dan blog-blog dalam Internet. Isu tersebut mengundang pelbagai reaksi positif dan negatif dari pelbagai pihak yang tampil menyatakan pendirian. Namun belum ada kajian yang dibentangkan berkenaan pandangan masyarakat yang sepatutnya diberikan hak untuk mengutarakan pandangan. Atas dasar itu kajian ini dilakukan bagi rnelihat persepsi dan reaksi kakitangan Universiti Malaysia Perlis yang berjumlah 1,608 orang terhadap isu pemansuhan kedua-dua peperiksaan tersebut. Kajian ini akan menggunakan satu set soal selidik dan pemilihan kakitangan adalah dari semua peringkat perjawatan yang berkhidmat di UniMAP. Pemilihan responden dilakukan seeara rawak bebas dan dari 500 set borang soal selidik yang diedarkan, hanya sebanyak 279 set borang sahaja yang dikembalikan. Hasil analisis yang dilakukan didapati majoriti kakitangan UniMAP menolak hasrat kementerian untuk memansuhkan UPSR Dan PMR dan mereka turut tidak bersetuju dengan alasan kementerian bahawa peperiksaan ini perlu dimansuhkan kerana ia tidak membantu perkembangan pelajar sejajar dengan falsafah pendidikan negara. Diharap dengan hasil kajian ini, ia dapat dijadikan panduan dan rujukan kepada pihak-pihak yang berminat dengan isu ini. -
PublicationInvestigate the liberation of copper from waste Printed Circuit Boards (PCBs)(Universiti Malaysia Perlis (UniMAP), 2010-06-09)
; ; ;M. Fazlul Bari ;Sri Asliza M. ;Nowadays the waste PCBs increasing sharply proportionally the number of personal computers which is 5.7 million in 2005 and the predict amounts, it will be increase to 11.5 Million in 2010 (Unit Perancangan Ekonomi, 2006). From that figure it shows that, computer or Printed Circuit Board (PCB) which is one of the electric and electronic components may cause environmental problems during the waste management phase if it is not properly pre treated. Considering of the environmental problem, recycling of waste PCBs is an important subject not only from the treatment for waste but also from the recovery of valuable materials. The studies are focused on liberation size of copper in waste Printed Circuit Boards (PCBs). Waste PCBs sample were cut, dry crushed and ground down to assemble the criteria of liberation particle size of samples and sieved with the chosen size fraction. Samples were dissolved into aqua regia solution and analyzed with Atomic Absorption Spectroscopy (AAS) to determine the presence of valuable metals in solution that consists in samples. As well, light microscope was used to determine the degree of liberation of copper from PCBs particles. As the result it shows that Cu element (9.97%) is the highest metal composition in PCBs and it is very worth to recycle. At particles size 300 μm, it been seen from microscope that Cu particles start to fully liberated with metal and non-metal element. -
PublicationPerformance of Sintered Pozzolanic Artificial Aggregates as Coarse Aggregate Replacement in Concrete( 2021-01-01)
; ; ; ;Subaer ; ;Mohamed R.The abundant increase in waste quantities year by year and the depletion of natural resources worldwide are the major concerns among researchers. Recycling and reusing various types of natural or by-product material waste from industry become highlighted in the recent study. The growing demand for concrete and the production of artificial aggregate become crucial in the construction industry. Artificial aggregate can be produced either by sintering, auto-clave or cold bonding method. Although auto-clave and cold bonding methods can minimize energy consumption, the selection of the sintering method always leads to high quality and better properties of artificial aggregates produced. The use of sintering methods to produce artificial aggregate made from pozzolanic material focuses on the use of volcanic ash as raw material activated by geopolymerization process to produce artificial lightweight aggregate-based geopolymer will be summarized in this chapter. This chapter discusses the result of the physical and mechanical properties of artificial lightweight aggregate or known as sintered geopolymer volcanic ash artificial lightweight aggregate (SGVA). The interfacial transition zone (ITZ) of sintered geopolymer volcanic ash artificial lightweight aggregate (SGVA) is presented. The performance of sintered geopolymer volcanic ash artificial lightweight aggregate (SGVA) in concrete is also discussed.1 -
PublicationEffects of trans-polyoctylene rubber in polypropylene/recycled acrylonitrile butadiene/rice husk powder composites( 2014)
; ; ; ; ;Hanafi Ismail ;Composites of polypropylene/Acylonitrile butadiene rubber/Rice husk powder/ (PP/NBRr/RHP) with and without trans-polyoctylene rubber (TOR) were prepared, and the effects of trans-polyoctylene rubber were investigated. By using rice husk powder of 150300μm, five different compositions of PP/NBRr/RHP composites (i.e.100/0, 80/20, 70/30, 60/40 and 40/60 phr) were prepared in an internal mixer at 180 °C and 50 rpm rotor speed. The results indicate that the incorporation of TOR improved the tensile properties of PP/NBRr/RHPcomposites. Scanning electron microscopy of the fractured surfaces proved that TOR promoted good adhesion between the PP-NBRr matrices and RHP.1 20 -
PublicationHeat dissipation analysis under natural convection condition on high power LED( 2013)
;Rajendaran Vairavan ; ;Vithyacharan Retnasamy,As the technology downscales with superior power and increased package density, the thermal effects of the high power LED are significant. Thus, the operating junction temperature of the high power light emitting diodes has to be reduced. In this paper, evaluation on single chip high power light emitting was done. The prime motive of this work was to assess the effect of heat slug size on the junction temperature and stress of LED chip under natural convection condition at ambient temperature of 25°C. Two sizes of rectangular heat slug were used. Simulation was carried out using Ansys version 11. Input power of 0.1W and 1W was applied to LED. Simulated results indicated that a larger slug size is favorable for a lower operating junction temperature and stress of the LED chip.5 16 -
PublicationEffect of Glass Reinforced Epoxy (GRE) pipe filled with geopolymer materials for piping application: compression properties( 2016)
; ; ;Che Mohd Ruzaidi Ghazali ; ;Mohammed BinhussainThe aim of this paper is to achieve the highest compressive strength of glass reinforced epoxy pipe with the geopolymer filler content of weight percentage that were used in glass reinforced epoxy pipe. The samples were prepared by using the filament winding method. The effect of weight percentage of geopolymer materials in epoxy hardener was studied under mechanical testing, which is using the compression test. A series of glass reinforced epoxy pipe and glass reinforced epoxy pipe filled with 10 – 40 weight percentage geopolymer filler which is white clay were prepared. The compression strength of the glass reinforced epoxy pipe filled geopolymer materials is determined using Instron Universal Testing under compression mode. It was found that compressive strength for samples with white clay geopolymer filler are much higher compare to glass reinforced epoxy pipe without geopolymer filler. Moreover, the compressive strength of glass reinforced epoxy pipe filled with white clay geopolymer filler was increased from 10 wt% to 30 wt% of geopolymer content. However, the compressive strength of glass reinforced epoxy pipe with white clay geopolymer filler suddenly decreased when added to 40 wt%. The results indicated that the blending of geopolymer materials in epoxy system can be obtained in this study.14 1 -
PublicationFabrication of Lightweight Ceramic Materials Using Geopolymer Technology( 2021-01-01)
; ; ;Depending on density, lightweight ceramic can be used in several applications such as construction, cutting tools, amour system, wear lining refractories, and wastewater treatment. The growth of lightweight ceramics in such applications becomes a motivation in developing the materials using geopolymer technology. With the uniqueness of geopolymer composition and the help of geopolymerization, high-temperature routes are no longer required to produce ceramic materials. The geopolymer, so called inorganic polymer will convert the amorphous and semi-crystalline phase into a crystalline phase during sintering. The synthesis at low temperatures is energy efficient and more environmentally friendly than older materials. The formation of geopolymer is a polymerization process similar to the polycondensation of an organic polymer. Therefore, the overall process is termed as geopolymerization. The geopolymerization can transfer Al and Si containing wastes into geopolymers with high mechanical strength and highly durable construction materials. The use of kaolin and fly ash as source materials in the formation of geopolymer ceramics could achieve good economic and environmental benefits. This chapter highlights the role of geopolymer systems in the production of ceramic materials for lightweight applications. It covers basic knowledge on ceramics, the formation of geopolymer, fabrication of light-weight ceramic materials using the geopolymer method, and the characterization and properties of the products.2