Abstract
Infrared brazing Ti50Ni50 and Invar using BAg-8 and Cusil-ABA foils was investigated. The Ag-Cu eutectic matrix dominates both brazed joints. The maximum shear strengths of the brazed joints using BAg-8 and Cusil-ABA fillers are 158 and 249 MPa. Failure of interfacial Fe2Ti/Ni3Ti reaction layers is responsible for the BAg-8 joint. In contrast, the Cusil-ABA brazed joint is fractured along the interfacial Fe2Ti intermetallic compound. Both fractographs are characterized with cleavage dominated fracture.
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NOVA 450 is a trademark of FEI Company, Hillsboro, OR.
JEOL is a trademark of Japan Electron Optics Ltd., Tokyo.
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The authors gratefully acknowledge the financial support of this research by the National Science Council (NSC), Taiwan, Republic of China, under Grant No. NSC 100-2221-E-002-102-MY3.
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Shiue, R.K., Chang, Y.H. & Wu, S.K. Infrared Brazing Ti50Ni50 and Invar Using Ag-Based Filler Foils. Metall Mater Trans A 44, 4454–4460 (2013). https://doi.org/10.1007/s11661-013-1902-9
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DOI: https://doi.org/10.1007/s11661-013-1902-9