TY - BOOK AU - Abdulgader Ameen Hezam Sayid AU - Emad Eldin Elkashif , AU - Mahmoud Adly , AU - Morsy Amin Morsy , TI - Fatigue behavior of surfaced C45 and 42CRMO4 steels / PY - 2019/// CY - Cairo : PB - Abdulgader Ameen Hezam Sayid , KW - Fatigue KW - Hardfacing KW - Medium Carbon Steel N1 - Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Design and Production; Issued also as CD N2 - This study presents fatigue behavior of C45 and 42CrMo4 steels surfaced by Tungsten Inert Gas (TIG) welding technique using filler ER80S-B2 in term of fatigue life compared to their unsurfaced base steels. Fatigue life was studied through rotary bending fatigue test at two stress levels. Specimens of surfaced C45 steel showed improved fatigue life compared to the unsurfaced specimens. However, specimens of surfaced 42CrMo4 steel showed reduction in fatigue life compared to unsurfaced specimens ER -