Browsing by Author "Raudhah, Othman"

Now showing items 1-3 of 3

    • The corrosion study of Co-Cr-Ni alloy fabricated by powder metallurgy 

      Raudhah, Othman; Shamsul Baharin, Jamaludin; Mohd Nazree, Derman (Universiti Malaysia PerlisSchool of Materials Engineering & School of Environmental Engineering, 2010-06-09)
      Cobalt-based alloys have been widely used in biomedical application. In this research, various compositions of Co-Cr-Ni alloys were developed and produced by powder metallurgy route. This study was also aimed to investigate ...

    • Effect of alloying elements (Ni and Cr) on density and hardness of Co alloy fabricated by powder metallurgy 

      Raudhah, Othman; Shamsul Baharin, Jamaludin; Mohd Nazree, Derman (Universiti Malaysia Perlisp.1-5, 2009-12-01)
      Influences of Ni and Cr addition on the properties of powder metallurgy Co base alloys were investigated. The alloys were produced by powder metallurgy technique and sintered under argon atmosphere. Scanning electron ...

    • The effects of solutionizing temperatures on microstructures of as-received A357 alloy 

      Mazlee, Mohd Noor; Shamsul Baharin, Jamaludin; Shaiful Rizam, Shamsuddin; Mohabattul Zaman, SNS Bukhari; Khairel Rafezi, Ahmad; Raudhah, Othman (Universiti malaysia Perlis, 2009-12-01)
      Solution treatment has been carried out on as-received A357 alloy at two solution treatment temperatures of 530ºC and 550ºC for 11 hours. The microstructural study was performed by using optical microscope. Optical ...