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Rafi, M, Sabet, H, Abouei Mehrizi, V, Anbarzadeh, A. (1401). Joining of Ti-6AL-4V to AISI 304 Stainless Steel using Laser Spot Welding with Circular Technique. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 6(1), 45-52.
M Rafi; H Sabet; V Abouei Mehrizi; A Anbarzadeh. "Joining of Ti-6AL-4V to AISI 304 Stainless Steel using Laser Spot Welding with Circular Technique". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 6, 1, 1401, 45-52.
Rafi, M, Sabet, H, Abouei Mehrizi, V, Anbarzadeh, A. (1401). 'Joining of Ti-6AL-4V to AISI 304 Stainless Steel using Laser Spot Welding with Circular Technique', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 6(1), pp. 45-52.
Rafi, M, Sabet, H, Abouei Mehrizi, V, Anbarzadeh, A. Joining of Ti-6AL-4V to AISI 304 Stainless Steel using Laser Spot Welding with Circular Technique. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1401; 6(1): 45-52.

Joining of Ti-6AL-4V to AISI 304 Stainless Steel using Laser Spot Welding with Circular Technique

Journal of Environmental Friendly Materials
مقاله 8، دوره 6، شماره 1 - شماره پیاپی 11، شهریور 2022، صفحه 45-52    اصل مقاله (1.41 M)
نوع مقاله: Original Article
نویسندگان
M Rafi1؛ H Sabet1؛ V Abouei Mehrizi2؛ A Anbarzadeh3
1Department of Materials Engineering, Karaj Branch, Islamic Azad University, Karaj, Iran.
2Advanced Materials Engineering Research Center,Karaj Branch, Islamic Azad University ,Karaj, Iran
3Department of Mechanical Engineering, Technical and Vocational University (TVU), Tehran, Iran
چکیده
In this research, dissimilar laser spot welding of the Ti-6Al-4V and AISI 304 (stainless steel) was investigated. The joining of 0.7 and 0.5 mm thickness plates with using a copper interlayer of 0.2 and 0.3 mm in thickness was performed by LSW. A 400-W Nd: YAG laser pulse welding machine was used to obtain coaxial spot welds of 4 mm in diameter with circular technique. Visual inspection and metallographic examination were used for all samples. If no crack was identified, micro-Vickers hardness test, tensile test, and scanning electron microscopy (SEM) were performed on the samples. The result indicated that with a copper interlayer and 10.7 J heat input on peak power of 1.5 kW, welding frequency 15 Hz, and welding time of 7 ms, leading to an ultimate strength of 160 MPa.  In addition the result indicated that applying the circular technique by creating adjacent spot welds can produce a good joint.
کلیدواژه‌ها
Laser Spot Welding؛ Ti-6Al-4V؛ AISI 304؛ Circular Technique
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