List of Articles هندسه ابزار Open Access Article Abstract Page Full-Text 1 - Investigation of effect of tool geometry on formation of common defects, and mechanical properties of 5456 Aluminum alloy, in Friction Stir Lap Welded process MOHAMMADREZA NADERI محمد علی صفرخانیان امیر حسین کوکبی امین عبداله زاده Open Access Article Abstract Page Full-Text 2 - Friction Stir Welding of Ultrafine-Grained Al 1050: Investigation of Pin Geometry, Welding Atmosphere Temperature and Welding Speeds on the Mechanical Properties Morteza Hosseini Habib Danesh-Manesh