Comparison Study of Erosion Wear and Hardness of GF/EP with Nano and Micro SiO 2 Hydride Composites Comparison Study of Erosion Wear and Hardness of GF/EP with Nano and Micro SiO 2 Hydride Composites

Aseel Basim, Abdul-Hussein, Abbas Fadhel, Hashim, Tamara Kadhim
2015 Eng. &Tech.Journal   unpublished
The objective of this research is to study GF / EP nano and micro silicon dioxide (SiO 2 )composites were prepared with different volume percentage of nano and micro SiO 2 powder (2,4,and 6 wt.% ). Atomic force microscopy techniques was used to measure the grain size of nano SiO 2 powder (average diameter 38nm) and particle size analyzer techniques was used to measure the grain size of micro SiO 2 powder (average diameter 6.069µm). Erosive wear behavior of this composite under three different
more » ... r three different impingement angles 30°, 60°and 90°and three angular silica sand abrasive particle sizes approximately 425, 600 and 850 μm and hardness (shore D) were study.In general the erosion wear of micro composites have lower resistance erosion than nano based Material composites other. Erosion resistance increase as the volume fraction increase. Nano composites of GF / EP with SiO 2 have many advantages over micro composites from the view point of wear and hardness tests. The worn surface features of unfilled and filled G-E composites were examined using scanning electron microscopy (SEM) and results indicates more severe damage to matrix and glass fiber in unfilled composite system as compared to SiO 2 filled composites.
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