New Welding Techology – the Cold Welding on Cogged Surfaces

  • Bogdan GEORGESCU "Dunarea de Jos" University of Galati, Romania
  • Valeriu GEORGESCU "Dunarea de Jos" University of Galati, Romania
Keywords: Cold Pressure Welding, Aluminum Joints

Abstract

Welding by cold pressing on cogged surfaces, produces the joint of a component made from an easy deformable metal by pressing on the cogged surface of a harder metal component. Different welds between aluminium (the easy deformable component) and copper, brass, steel, stainless steel (harder component, cogged on the contact surface) can be obtained. The weld is obtained only by deforming the aluminium component at a deformation rate of 20…30%. The weld tensile strength is up to 10% of aluminium ultimate tensile strength, better results being obtained for the shearing strength. The weld contact electric resistance is negligible, recommending the process for producing dissimilar elements used in electrotechnics.

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References

[1]. Georgescu, V., Iordachescu, M., Georgescu, B., Practica sudarii prin presiune la rece. ISBN 973-31-1558-4, Editura Tehnica Bucuresti, 2001.
[2]. Georgescu, B., Sudarea prin presiune la rece intre suprafete zimtate (Pressure cold welding on cogged surfaces), Teza de Doctorat, Universitatea Dunarea de Jos din Galati, 2006. [3]. Georgescu, B., Sudarea prin presare la rece pe suprafete zimtate, Cerere de brevet de inventie nr. 2006 00639 / 10.08.2006.
[4]. Georgescu, B., Constantin, E., Georgescu, V., Gradul minim de deformare necesar sudarii la rece pe suprafete zimtate. Revista Asociatiei de Sudura din Romania “SUDURA”, ISSN 1453-0384, Nr 3 / 2005, p. 23-26.
[5]. Georgescu, B., Iordachescu, M., Georgescu, V., Characteristic of the cold welded joints on cogged surfaces. Intern. Institute of Welding (IIW), Proc. Intern. Conf., Prague – Czech Republic, ISSN 0043-2288, 2005, p. 435-442.
[6]. Georgescu, B., Iordachescu, M., Georgescu, V., Several aspects concerning cold welding of cogged parts. The Annals of “Dunarea de Jos” University of Galati, Fascicle XII, Year XVI, ISSN 1221-4639, 2005, p. 5-12.
[7]. Georgescu, B., Constantin E., Georgescu V., Sudarea la rece pe suprafete zimtate cu material de adaos intermediar. Revista Asociatiei de Sudura din Romania “SUDURA”, ISSN 1453-0384, Nr 1 / 2006, p. 5-10.
[8]. Georgescu, B., Sudarea prin presiune la rece pe suprafete zimtate, Editura EUROPLUS Galati, ISBN (10) 973-7845-49-8 si ISBN (13) 978-973-7845-49-8, 2007.
[9]. Georgescu, B., Iordachescu, M., Georgescu, V., Varieties of cold welding on cogged surfaces, The Annals of “Dunarea de Jos” University of Galati, Fascicle XII, Year XVII, ISSN 1221-4639, 2006, p. 25-29.
Published
2007-05-15
How to Cite
1.
GEORGESCU B, GEORGESCU V. New Welding Techology – the Cold Welding on Cogged Surfaces. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15May2007 [cited 26Dec.2024];30(1):118-22. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/3189
Section
Articles