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THE EFFECT OF WATER ABSORPTION ON HARDNESS PROPERTY FOR EPOXY- PHENOL BLENDES REINFORCED WITH GLASS FIBERS | ||
| AL-TAQANI | ||
| Article 1, Volume 23, Issue 1, 2010, Pages 29-34 | ||
| Author | ||
| Sheelan R. Areef | ||
| Abstract | ||
| (Epoxy – phenol) blend system was prepared and studied before and after reinforcing with glass fiber (woven roven Oo-90o direction). The samples immersed in distilled water for equal time at constant temperature (± 18 Co). The Brinell hardness of the system was measured before and after immersion in distilled water. The results show that the Brinell hardness decreased after immersion in distilled water for blend samples with and without reinforcing with glass fibers. While the Brinell hardness increased after immersion in distilled water for epoxy samples with and without reinforcing with glass fibers. The diffusion coefficient was calculated for all samples after immersion, and it was obvious the sample (5) (Epoxy 80% - phenol 20% + glass fibers) has maximum diffusion coefficient (minimum absorption resistance) in comparing with other samples. | ||
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