چکیده مقاله
Surface roughness in the welding processes is one of the important parameters in the connection of laser welded metals which affects laser beam absorption directly When the laser beam is irradiated to the surface of the base metal, the ups and downs of the sample or the surface roughness play an important role in the amount of beam absorption and the amount of melting achieved and directly affect the penetration depth The main purpose of this study is to investigate the effect of roughness mentioned above and almost the optimal parameter for this widely used aluminum alloy Microstructural Surveys wereperformed on three different roughness levels of the sample and the results obtained from the analysis of samples by optical microscope OM , atomic force microscope AFM and Scanning electron microscopy SEM analysis showed that, increasing the surface roughness to an optimum amount, caused the greater degree of beam engagement by the surface grooves, hence more concentration of the beam photons and more melting obtained, so the depth of penetration increases by consuming a lower amount of energy
کلیدواژهها
نویسندگان
Milad foumani
Master student of welding engineering, department of material engineering, Tarbiat Modares University,
Homam naffakh-moosavy
associate professor, department of material engineering, Tarbiat Modares University
Ali rasouli
Master student of welding engineering, department of material engineering, Tarbiat Modares University
Shayan salari
Master student of welding engineering, department of material engineering, Tarbiat Modares University
شیوه ارجاع
foumani, Milad and naffakh-moosavy, Homam and rasouli, Ali and salari, Shayan,1400,Investigation of the effect of surface roughness on the weld pool profile of 1050 aluminum alloy using pulsed Nd:YAG laser welding,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