Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Wilfred, Paulus"'
Publikováno v:
Materials Science Forum. 1010:385-390
Tin mining business in Malaysia produce many types of by product such as xenotime, monazite, zircon and ilmenite. Ilmenite is one of the crucial materials that helps the growth of economy in Malaysia. Instead of that, ilmenite becomes an important ma
Publikováno v:
International Journal of Precision Engineering and Manufacturing-Green Technology. 7:163-172
The investigation on the influences of alumina (Al2O3) particles in nano-sized retrieved from Aluminium (Al) dross was conducted on the tensile, thermal and wear properties of polypropylene (PP) composites. The thermal decomposition method was used t
The Relationship between XRD Peak Intensity and Mechanical Properties of Irradiated Lead-Free Solder
Autor:
Irman Abdul Rahman, Roslina Ismail, Wilfred Paulus, Norinsan Kamil Othman, Maria Abu Bakar, Wan Yusmawati Wan Yusoff, Azman Jalar
Publikováno v:
Materials Science Forum. 888:423-427
The variation on mechanical properties and crystalline structure of gamma-irradiated Sn-rich lead-free solder (SAC) were intensively investigated using nanoindentation and X-ray diffraction (XRD) techniques. Samples of solder on a printed circuit boa
Publikováno v:
Materials Science Forum. 888:81-85
Small pellets with differing mullite contents were prepared by a conventional ball-milling and dry-powder pressing technique, followed by firing at temperature of 1300°C and 1600°C for four hours. Kaolin processing waste and high purity aluminum hy
Autor:
Siti Salwa Zainal Abidin, Ahmad Khairulikram Zahari, Yusof Abdullah, Khaironie Mohammad Takip, Wilfred Paulus, Meor Yusoff Meor Sulaiman
Publikováno v:
Materials Science Forum. 888:344-347
The raw material of the extraction process is dust from the electric arc furnace dust (EAFD). EAFD is a byproduct of steel mills which comprises mainly of iron (33-35%) and zinc (22-27%). In this study, ZnO was extracted and purified from EAFD using
Autor:
Wilfred Paulus, Ahmad Khairulikram Zahari, Roshasnorlyza Hazan, Nur Aqilah Sapiee, Khaironie Mohamed Takip
Publikováno v:
AIP Conference Proceedings.
A simple and economical process for achieving nuclear grade thorium is discussed. The raw material in the form of thorium and rare earth oxalate is produced after precipitation of leached solution from alkaline fusion of local xenotime. Investigation
Publikováno v:
APCBEE Procedia. 3:250-254
A hydrothermal process was developed using alternative cheaper rutile mineral as precursor for the synthesis of nanotitania powder. The dissolution stage is an important part of the process as this will lead to the nucleation of the titanium ions and
Autor:
Maria Abu Bakar, Wilfred Paulus, Irman Abdul Rahman, Wan Yusmawati Wan Yusoff, Insan Kamil, Azman Jalar
Publikováno v:
AIP Conference Proceedings.
Lead-free solders are important material in nano and microelectronic surface mounting technology for various applications in bio medicine, environmental monitoring, spacecraft and satellite instrumentation. Nevertheless solder joint in radiation envi
Autor:
M. N. Irwan, Nurul Othman Wahida, Nik Marzukee, Amran Ab. Majid, Muhamad Samudi Yasir, Wilfred Paulus, Mohd Abd Wahab, Thanaletchumy, Esther Phillip
Publikováno v:
AIP Conference Proceedings.
In this paper, spent ion exchange resin generated from PUSPATI TRIGA reactor (RTP) in Malaysian Nuclear Agency were characterized based on the water content, radionuclide content and radionuclide leachability. The result revealed that the water conte
Publikováno v:
2012 International Conference on Enabling Science and Nanotechnology.
Alumina (Al 2 O 3 ) is an aluminium compound with many crystalline forms or polymorphs. Alpha alumina is the only stable form amongst the different polymorphs. The biggest usage of alpha alumina is the electronic sector that accounts for 64.7% of the