TY  - JOUR
T1  - Strengthening of Porous Alumina Ceramics Using (Cu) Metal in Nanoscale
Particle and Graphite Waste as a Pore Agent
AU - Ali, Mohammed Sabah AU - Norkhairunnisa, M. AU - Matori, Khamirul Amin AU - Tahir, S.M. AU - Hanim, M.A. Azmah AU - Jaafar, C.N.A. 
JO  - Journal of Engineering and Applied Sciences
VL  - 11
IS  - 12
SP  - 2713
EP  - 2722
PY  - 2016
DA  - 2001/08/19
SN  - 1816-949x
DO  - jeasci.2016.2713.2722
UR  - https://makhillpublications.co/view-article.php?doi=jeasci.2016.2713.2722
KW  - mechanical properties
KW  -Cu metal
KW  -graphite waste
KW  -strengthening
KW  -Porous ceramic
AB  - The preparation of porous alumina ceramics-reinforced begins with the use of (Cu) metal in nanoscale
particles as a strengthening phase. At the same time, the solid state and sacrificial techniques are used for the
preparation of this porous alumina ceramics-reinforced. Meanwhile, FESEM used to examine the microstructure.
The main goal of this research study is to determine the effects of the (Cu) metal in nanoscale particles on the
mechanical properties and porosity of porous alumina ceramics. Cu metal added to different ratios of graphite
waste as a pore agent. The initial ratio of (Cu) metal added was at 3 wt.%. And this ratio was increased to 6, 9
and 12 wt.% Cu. The results of this study indicate that with an increase in the ratios of (Cu) metal, the porosity
shows a decrease while the mechanical properties show an increase. The observed increase in the mechanical
properties could be attributed to not only a decrease in the porosity but also to the toughening mechanism of
porous alumina ceramics. The areas of potential applications for this type of ceramics include, filtration, thermal
and the purging of gas.
ER  -