Now showing items 1-15 of 15

    • Development of dense Hydroxyapatite from natural and synthetic sources 

      Sri Asliza, Amin; S. A., Abu Bakar; Azlin Fazlina, Osman; Syed Nuzul Fadzli, Syed Adam; Norsuria, Mahmed; Mohd Zaheruddin, Kasmuin (University Malaysia Perlis (UniMAP), 2007-06-09)
    • Development of dense hydroxyapatite-ni by modified electroless deposition technique. 

      Sri Asliza, Md Amin; Mohd Zaheruddin, Kasmuin; Azmi, Rahmat, Dr.; Shamsul Baharin, Jamaludin, Prof. Dr.; Khairel Rafezi, Ahmad, Dr. (Trans Tech Publications, 2014)
      Ni deposited on HA powder was prepared by electroless plating process without sensitization and activation treatment. The deposited powder obtained was characterized by energy dispersive spectroscopy (EDX) and x-ray ...
    • Effect of different nickel content on the mechanical properties of hydroxyapatite-ni composites from coated powders 

      Sri Asliza, Md Amin; Mohd Zaheruddin, Kasmuin; Azmi, Rahmat, Dr.; Shamsul Baharin, Jamaludin, Prof. Dr.; Khairel Rafezi, Ahmad, Dr. (Trans Tech Publications, 2014)
      HA-Ni composites were fabricated by uniaxial pressing from coated powders, in which HA particles were successfully coated with nickel precursor by the electroless deposition method. The compacted powders sintered at ...
    • Improvement of dense hydroxyapatite from natural bone with TiO2 powder 

      Sri Asliza, Mat Amin; Mohd Zaheruddin, Kasmuin; Siti Sarah, Ibrahim (Universiti Putra Malaysia (UPM)Fakulti Perubatan dan Sains Kesihatan, 2007-12-10)
      In this study HA powder were obtained from natural bone. Natural HA were extrated from clean cow bone by heat treated at temperature 800c before ground into fine powder. The HA powder were mixed together with different ...
    • Investigate the liberation of copper from waste Printed Circuit Boards (PCBs) 

      Mohd Zaheruddin, Kasmuin; Aimi Noorliyana, H.; Md. Fazlul, Bari; Sri Asliza, Md. Amin; Faizul, Che Pa; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Universiti Malaysia PerlisSchool of Materials Engineering & School of Environmental Engineering, 2010-06-09)
      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, ...
    • Preliminary study on the stannous ions removal from aqueous solutions by hydroxyapatite 

      Sri Asliza, Md Amin; Mohd Zaheruddin, Kasmuin; Kamrosni, Abdul Razak (Universiti Malaysia Perlis (UniMAP), 2012-07-18)
      The effect of stirring times and pH of solutions on the potential of HA in removing Sn ions have been investigated. The results shown that HA powder have tendency to remove a number of Sn ions by adsorption mechanisms. The ...
    • Preparation and characterization of Co-HA powder using modified electroless method 

      Mohd Zaheruddin, Kasmuin; Sri Asliza, Md Amin; Azmi, Rahmat, Prof. Madya Dr.; Shamsul Baharin, Jamaludin, Prof. Dr.; Khairel Rafezi, Ahmad, Dr. (Trans Tech Publications, 2014)
      C0-HA composite produced by simple electroless deposition method was studied. From the particle size analysis by Malvern particles analyzer its shows that 19% increment in average of the particle size powder increase after ...
    • Preparation and characterization of natural Hydroxyapatite from bovine bone 

      Shahrizal, M. H.; Sri Asliza, Md Amin; Mohd Nazree, Derman; Mohd Zaheruddin, Kasmuin (Universiti Sains Malaysia (USM), 2008-06-18)
      The purpose of this study was to prepare and characterize Hydroxyapatite from natural source. Hydroxyapatite fine powder with average size particle of 10.324 um had been prepared by heating bovine bone at temperature 800°C ...
    • Sintering effects on mechanical properties of Co-HA composite prepared by modified electroless deposition. 

      Mohd Zaheruddin, Kasmuin; Sri Asliza, Md Amin; Azmi, Rahmat, Dr.; Shamsul Baharin, Jamaludin, Prof. Dr.; Khairel Rafezi, Ahmad, Dr. (Trans Tech Publications, 2014)
      Co-HA composite produced using electroless deposition without conventional sensitization and activation treatment was studied with varying sintering temperature (1100°C, 1200°C and 1250°C). The particles size, bulk density, ...
    • A study of comminution-liberation and floatability of Copper from printed circuit boards (PCBs) scrap 

      Aimi Noorliyana, Hashim; Mohd Zaheruddin, Kasmuin; Md Fazlul, Bari; Sri Asliza, Md Amin; Kamarudin, Hussin (Universiti Kebangsaan Malaysia (UKM), 2008-12-03)
      Printed circuit boards (PCBs) were collected from obsolete or defective computers that are the largest source of the kind of waste. PCBs are composed of different materials such as polymers, ceramics and metals. The studies ...
    • A study of liberation and separation process of metals from printed circuit boards (PCBS) scraps 

      Aimi Noorliyana, Hashim; Mohd Zaheruddin, Kasmuin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Trans Tech Publications, 2013-12)
      Since the metallic elements are covered with or encapsulated by various plastic or ceramic materials on printed circuit boards (PCBs), a pre-treatment process allowing their liberation and separation is first needed in ...
    • A study of Mg effects on PM Al - Mg alloys 

      Kamrosni, Abdul Razak; Mohd Nazree, Derman, Dr.; Normah, Che Man; Sri Asliza, Md Amin; Mohd Zaheruddin, Kasmuin (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      This research has been done to study the effects of Magnesium content in PM Al-Mg alloys. The research involved is fabrication of aluminum alloys with various weight percent of Magnesium powder via powder metallurgy routes. ...
    • A study on floatability of copper using Modified Hallimond Tube 

      Aimi Noorliyana, H.; Mohd Zaheruddin, Kasmuin; Md. Fazlul, Bari; Sri Asliza, Md Amin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Universiti Malaysia Pahang (UMP), 2009-06-20)
      The Floatability of copper on the Modified Hallimond tube depend on lots of parameters such as dosage and types of collector, frother, air flow rate, flotation time, and pH value. All of this parameters give different ...
    • Study the effect of TIO2 and soaking time to the natural hydroxyapatite properties 

      Shahrizal, M. H.; Sri Asliza, Md Amin; Mohd Nazree, Derman; Mohd Zaheruddin, Kasmuin (Universiti Sains Malaysia (USM), 2006-05-24)
      Natural hydroxyapatite has potential to be used as implant material in biomedical applications. In this study natural HA were obtained from bovine bone by heated and ground into desired size. Dense natural HA were fabricated ...
    • Study the properties of dense Hydroxyapatite - Extract from cow bone 

      Sri Asliza, Md Amin; Mohd Zaheruddin, Kasmuin; Shahrizal, H.; Nurul Fazliana, Z. A (Malaysian Institute for Nuclear Technology Research, 2009)
      In this study, natural HA were extrated from clean cow bone by treatment with NaOH and heating at high temperature before ground into fine powder. The HA powder were than mixed together with binder for several hours. Dense ...