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Study the of effect of micro and nanoCadmium Oxide on the hardness test of (epoxy-polyurethane) blend

Authors: Ghasaq Talal Suhail --- Faik Hammad Anter --- Ziyad Shihab Al-Sarraj
Journal: Iraqi Journal of Science المجلة العراقية للعلوم ISSN: 00672904/23121637 Year: 2018 Volume: 59 Issue: 4B Pages: 2020-2025
Publisher: Baghdad University جامعة بغداد


This research includes using epoxy resin and polyurethane resin to form a blend (EP+PU) with different resin ratios (90 – 10)%, (80 – 20)%, (70 – 30)%, and (60 – 40)% to achieve best ratio for impact strength as a function of better toughness; then reinforced with micro and nano (CdO) with weight fraction (0.02, 0.04, 0.06, 0.08). Mechanical properties were studied including hardness before and after exposure to UV irradiation. Results showed that the composite (nano CdO+ blend) had better properties compared with (micro CdO+ blend) composite. Also hardness show increases with increasing the weight fraction for all samples.


micro --- nano --- cadmium oxide --- hardness test --- epoxy --- polyurethane.

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