فهرس المقالات farrokh najafzadegan المقاله 1 - Investigation of Microstructure weld zone of Hastelloy X Pulsed Nd-YAG laser welds Farrokh Najafzadegan Hojatallah Mansori Morteza shamanian Journal of Advanced Materials and Processing , العدد 5 , السنة 1 , پاییز 2013