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Study of press and sintering of pure Ti and Ti-6%Al-7%Nb alloy
(Universiti Malaysia Perlis, 2009-12-01)
Commercial pure titanium and titanium alloys are widely used as implant materials in the medical and dental applications due to their superior biocompatibility, corrosion resistance and specific strength compared with other ...
The influence of filler metal on porosity formation of AA6061 aluminium alloy joints
(Universiti Malaysia Perlis, 2009-12-01)
Porosity is very important parameter to evaluate the quality of butt-joint since it is recognized to be one of the major concerns during welding of aluminium alloys. The filler metal used during welding process is believed ...
Preparation of submicron Al-Ti Alloy particles by mechanical alloying
(Universiti Malaysia Perlis, 2009-12-01)
Introduction:
Mechanical alloying (MA) is a solid-state powder processing technique involving repeated welding, fracturing and re-welding of powder particles in a high-energy ball mill [1-3]. MA has been used to synthesize ...
The effects of solutionizing temperatures on microstructures of as-received A357 alloy
(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 ...
The influence of sintering temperature to the physical properties of P/M Co-Cr-Mo (F-75) alloy
(Universiti Malaysia Perlis, 2009-12-01)
Co-Cr-Mo (F-75) alloys are commonly used for surgical implants because of their strength, corrosion resistance and biocompatibility. Conventionally, fabrication of the alloys has been established using casting technique. ...
Effect of age hardening on Aluminum alloys: a study of motorcycle piston
(Universiti Malaysia Perlis, 2009-12-01)
This paper reported on the effect of age hardening on the aluminum alloys piston. These studies were carried out to improve the hardness of the aluminum alloys piston by using age hardening method. The AlSiCuMg alloys with ...
Water vapour effects on chromia forming alloys during cyclic oxidation
(Universiti Malaysia Perlis, 2009-12-01)
Fe-Cr model alloys (Cr: 9, 17, and 25 wt %) were subjected to cyclic oxidation in Ar-20O2, Ar-20O2-5H2O and Ar-10H2-5H2O (pO2= 3.6 x 10-22 atm) all in volume % atmospheres at 700oC. In general, increasing alloy chromium ...
Potentiodynamic polarization of Mg-0.22ca alloys containing minor element of Aluminium
(Universiti Malaysia Perlis, 2009-12-01)
Mg alloys played a significant role in replacing the existing sacrificial anodes. To maintain the negative potential and its capability in preventing corrosion, Ca and Al was added as alloying elements. Polarization curves ...
Effect of heat treatment on hardness of AIN Reinforced Al-Si alloy composite
(Universiti Malaysia Perlis, 2009-12-01)
Introduction:
Aluminum alloys are amongst the most promising structural materials due to their high specific strength and stiffness, which are widely used in automobile industries for structural components in engines and ...
Effect of alloying elements (Ni and Cr) on density and hardness of Co alloy fabricated by powder metallurgy
(Universiti Malaysia Perlis, 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 ...