On The Laser Beam Material Interaction Of Copper‑Substrate Coated With Fe-Si A. Elhakimi Faculty of engineering Tripoli University A. Hameda Faculty of engineering Tripoli University A. Elsahli Faculty of engineering Tripoli University Y. Arebi Faculty of engineering Tripoli University pdf Published 2019-10-02 Issue No 9 (2015): Alostath Section Articles