Solution Strengthening the Ti-6Al-4V Joints were Brazed by Ti-15Cu-15Ni and Ag-26.7Cu-4.5Ti Filler Foils

Using the optimal solution and aging treatment for Ti-6Al-4V brazed by Ti-15Cu-15Ni and Ag-26.7Cu-4.5Ti fillers, the average shear strengths of the lap-joint interface are improved. And the average grain sizes and the average lengths of Widmanstätten structure are significantly smaller than that of...

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Veröffentlicht in:	Materials science forum 2020-02, Vol.977, p.90-95
Hauptverfasser:	Lee, Kuo Hsun, Yang, Sen Yeu
Format:	Artikel
Sprache:	eng
Schlagworte:	Brazed joints Fillers Foils Grain size Solution strengthening Substrates Titanium base alloys
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Beschreibung
Zusammenfassung:	Using the optimal solution and aging treatment for Ti-6Al-4V brazed by Ti-15Cu-15Ni and Ag-26.7Cu-4.5Ti fillers, the average shear strengths of the lap-joint interface are improved. And the average grain sizes and the average lengths of Widmanstätten structure are significantly smaller than that of post-brazed annealing. Both fillers specimens are examined to indicate the strengthening mechanism is to homogenize the microstructure of Ti-6Al-4V joints to simultaneously enhance the strength of joint braze and substrate.
ISSN:	0255-5476 1662-9752 1662-9752
DOI:	10.4028/www.scientific.net/MSF.977.90