Brazing of Titanium with Aluminium Alloys

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Abstract

This study presents results of vacuum diffusion brazing of Grade 2 titanium with 6082 (AlMg1Si0.6Cu0.3) aluminium alloy using B-Ag72Cu-780 (Ag72Cu28) grade silver brazing metal as an interlayer. Brazed joints underwent shear tests, light-microscopy-based metallographic examinations and structural examinations using scanning electron microscopy (SEM) and X-ray energy dispersive spectrometry (EDS). The highest quality and shear strength of 20 MPa was characteristic of joints brazed at 530°C with a 30-minute hold. The structural examinations revealed that in diffusion zone near the boundary with titanium the braze contained solid solutions based on hard and brittle Ti-Al type intermetallic phases determining the strength of the joints.

[1] L.A. Dobrzański, Metaloznawstwo opisowe stopów metali nieżelaznych. Wyd. Politechniki Śl., Gliwice (2008) (in Polish).

[2] Joint publication, Poradnik Inżyniera. Spawalnictwo. Vol. 2. WNT Warszawa (2005) (in Polish).

[3] Multi-Author Work, Brazing Handbook. Ed. 5, AWS, Miami, Florida (2007).

[4] M. Schwartz, Brazing Ed. 2, ASM International, Materials Park, Ohio (2003).

[5] Joint publication, Spravočnik po pajkie. Mašinostrojenie, Moskva (2003) (in Russian).

[6] O. Barabaš, J.N. Koval, Struktura i svojstva metallov i splavov. Naukovaja Dumka, Kijev (1986) (in Russian).

[7] T.B. Massalski, Binary alloy phase diagrams. ASM International Materials Park, Ohio (1990).

[8] F. Moller, M. Grden, C. Thomy, F. Vollertsen, Combined laser beam welding and brazing proces for aluminium titanium hybrid structures, Physics Procedia 12, 215-253 (2011).

[9] B.K. Sabokar, W. Zamkov, L.S. Kiriev, Osobiennostiargonowo-dugovoj I diffuzionnoj svarki titana s aluminiem, Avtomatičeskaja Svarka 538 (1), 14-17 (1998) (in Rusian).

[10] J. Wilden, J.P. Bergman, Manufacturing of titanium/aluminium and titanium/steel joints by mean of diffusion welding, Welding and Cuting 3 (5), 285-290 (2004).

[11] J.-G. Luo, V.L. Acoff, Interfacial reactions of titanium and aluminum during diffusion welding, Welding Journal (9), 239-243 (2000).

[12] T. Hamajima, K. Ameyama, A. Fuji, Microstructural change of weld interface in Ti/Al friction weld during heat treatment, Journal of Society of Materials Science 44, 1224-1230 (1995).

[13] W.H. Sohn, H.H. Bong, S.H. Hong, Microstructure and bonding mechanism of Al/Ti bonded joint using Al-10Si-1Mg filler metal, Material of Science Engineering A355, 231-240 (2003).

[14] A. Al Hazaa, T.I. Khan, I. Haq, Transient liquid phase (TLP) bonding of AL7075 to Ti-6Al-4V alloy, Materials Characterization 61 (3), 312-317 (2010).

[15] M.S. Kenevisi, S.M. Mousavi Khoie, An investigation on microstructure and mechanical properties of Al7075 to Ti-6Al-4V transient liquid phase (TLP) bonded joint, Materials and Design 38, 19-25 (2012).

[16] A. Winiowski, Structural and mechanical properties of brazed joints of stainless steel and aluminium, Archives of Metallurgy and Materials 54 (2), 523-533 (2009).

[17] A. Winiowski, Impact of conditions and parameters of brazing of stainless steel and titanium on mechanical and structural properties of joints, Archives of Metallurgy and Materials 52 (4), 593-607 (2007).

[18] A. Winiowski, Mechanical and structural properties of joints of stainless steel and titanium brazed with silver filler metals containing tin, Archives of Metallurgy and Materials 55 (4), 991-1000 (2010).

[19] Z. Mirski, M. Różański, Diffusion brazing of titanium aluminide alloy based on TiAl (g), Archives of Civil and Mechanical Engineering 13, 415-421 (2013).

Archives of Metallurgy and Materials

The Journal of Institute of Metallurgy and Materials Science and Commitee on Metallurgy of Polish Academy of Sciences

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