چکیده مقاله
Underwater Friction Stir Welding UFSW is one of the modern and constantly evolving technologies of solid state joining and it is used for welding a wide range of materials The technique used to the 4009 aluminum alloy joint and it has been demonstrated to be an effective method to improve the mechanical properties of joints To illuminate the characteristics of underwater FSW, the microstructural evolution and its effect on mechanical performance of anunderwater joint were investigated in the present paper This work compared the parameters of friction stir welding FSW and underwater friction stir welding UFSW on the weld joint In this investigating friction stir welding FSW used in underwater environment, for this operations research pin covered and shielded from contact water by hollow shaft spin HSS , the HSS controlled the heat conduction of pin and disconnect with water, applying for the firsttime a novel underwater FSW technique developed at marine structures The metallographic exams indicate that weld nugget grain size has been decreased The mechanical testing illustrated that hardness and tensile strength have been increased, on the other hand the percentage of elongation and impact energy have been diminished
کلیدواژهها
نویسندگان
Mohammad Sadeghi
Ph D of Materials Engineering, Department of Materials Engineering, Karaj Branch, Islamic Azad University, Karaj, Iran
Hamed Sabet
ssociate Professor, Department of Materials Engineering, Karaj Branch, Islamic Azad University, Karaj, Iran
شیوه ارجاع
Sadeghi, Mohammad and Sabet, Hamed,1400,Enhancement of Metallurgical Properties on the 4009 Aluminum Alloy Joint by Underwater Friction Stir Welding (UFSW),4th International Conference on Welding and Non Destructive Testing & 22nd National Conference on Welding & Inspection & 11th National Conference on NDT,Isfahan
ارائهشده در
مجموعه مقالات چهارمین کنفرانس بین المللی جوشکاری و آزمایش های غیرمخرب و بیست و دومین کنفرانس ملی جوش و بازرسی و یازدهمین کنفرانس ملی آزمایش های غیرمخرب18 اسفند 1400 · اصفهان