List of Articles سختکاری سطحی Open Access Article Abstract Page Full-Text 1 - A study of hardness and wear properties in the powder hard covering established in the Fe- Cr –C- Mo system on the carbonic simple steel by GTAW welding method Mohammad Mehdi Ghaffari Hossein Paydar محمدرضا خانزاده قرهشیران Open Access Article Abstract Page Full-Text 2 - Phase, microstructure characterization and hardening efficiency of SKS3 tool steel laser surface hardened by a high-power diode laser Amirsalar Dehghani Amirreza Farnia Mohammad Javad Torkamany