List of Articles Gas Tungsten Arc Welding (GTAW) Open Access Article Abstract Page Full-Text 1 - Study the effect of the friction stir process on the microstructure and mechanical behavior of the AZ31 as-cast alloy joint Amir Rezaee Iman Ebrahimzadeh Farhad Gharavi Open Access Article Abstract Page Full-Text 2 - Simultaneously Modeling and Optimization of Heat Affected Zone and Tensile Strength in GTAW Process Using Simulated Annealing Algorithm Meysam Beytolamani Masoud Azadi Moghaddam Farhad Kolahan Open Access Article Abstract Page Full-Text 3 - Investigation of the effect of current intensity and frequency in PC-GTAW on microstructural evolutions of weld joints of Hastelloy B-2 superalloy Ali Heidary Moghadam mehdi khalasi dezfuli mehdi ghobeiti hasab