Numerical simulation of laser beam welding of Ti6Al4V sheet

Azizpour, M.; Ghoreishi, M.; Khorram, A.

doi:10.22061/jcarme.2015.272

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	Numerical simulation of laser beam welding of Ti6Al4V sheet
Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 4، دوره 4، شماره 2 - شماره پیاپی 8، فروردین 2015، صفحه 145-154 اصل مقاله (2.5 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2015.272
نویسندگان
M. Azizpour؛ M. Ghoreishi^* ؛ A. Khorram
Department of Mechanical Eng. K. N. Toosi University of Technology, Tehran, Iran
تاریخ دریافت: 26 مرداد 1392، تاریخ بازنگری: 26 خرداد 1393، تاریخ پذیرش: 25 مرداد 1393
چکیده
This paper was aimed to report the 3D finite element analysis simulation of laser welding process of Ti6Al4V 1.7 mm sheets in butt joint in order to predict the temperature distribution, hardness, and weld geometry. The butt-joint welds were made using CO₂ laser with the maximum power of 2.2 kW in the continuous wave mode. A part of the experimental work was carried out to verify the weld geometry with specific weld parameters including power, speed, and focal position. Another part investigated the effect of focal position on the weld bead geometry. Subsequently, the shapes of the molten pool were predicted by the numerical analysis method and compared with the results obtained through the experimentation, which led to finding a good agreement.
کلیدواژه‌ها
Numerical simulation؛ CO2 laser welding؛ Ti6Al4V alloy

مراجع
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Numerical simulation of laser beam welding of Ti6Al4V sheet