TY - MANSCPT AU - Raay,Mohamed Aly Mahmoud TI - Friction stir welding of polymeric materials U1 - 621 22 PY - 2013/// KW - BUEsh KW - Mechanical engineering KW - Projects KW - ENGMEC KW - August2017 KW - SPRO N1 - A dissertation submitted to the faculty of engineering, the British University in Egypt partial fulfillment to the requirements for a bachelor degree in mechanical engineering ER -