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This work has been done with using of epoxy resin mixed with Granite powder were weighted by percent volume (5,10,15, and 20)%and then mixed with epoxy polymer to compose polymer composite. Hand lay-up technique is used in fabrication of the composite samples. Hardness test was carried out for the proper samples in both normal condition and after immersion in HCL (1 M and 2 M) solutions for periods ranging up to 10 weeks. After comparing the results between the polymer and their composite, the hardness increased with increasing Granite weight percent, it was found that Hardness were greater for the composites before immersion compared with their values after immersion.
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Journal BS. Study the effect of acid immersion on the hardness of (Epoxy – Granite) composite: Salma M. Hassan|Aseel A. Kareem|Harith I. Jafaar. Baghdad Sci.J [Internet]. 2014Jun.1 [cited 2021Aug.4];11(2):702-6. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2682