TY - JOUR AU - Narimani, Mohammad AU - Lotfi, Behnam AU - Sadeghian, Zohreh TI - Investigating the effect of tool dimension and rotational speed on microstructure of Al-B4C surface composite layer produced by friction stir processing (FSP) JO - Journal of Advanced Materials and Processing VL - 3 IS - 2 SP - 61 EP - 70 PY - 2015 DO - ER -