Salimifar,S. , , Davoodi,D. , , Salahshour,S. , and Lotfi,A. . "Improvement of Tribology Properties St37 Steel by Formation of Composite Layer Containing Alumina Particles by GTAW Welding Method", Journal of Advanced Materials and Technologies, 4, 2, 2015, 53-61. doi: 10.30501/jamt.2636.70300