STUDY THE EROSION WEAR BEHAVIOR FOR UNSATURATED POLYESTER RESIN COMPOSITES MATERIALS REINFORCED BY CARBON FIBERS WITH AL2O3 POWDER USING TAGUCHI METHOD. J. eng. sustain. dev. [Internet]. 2017 Sep. 1 [cited 2024 May 3];21(5):213-24. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/550