[Kovove materialy - Metallic materials]
    Thu - March 28, 2024 - 13:45 No. of hits : 1736405 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 35 (1997), Issue 4

Strength and microstructure of silicon nitride to titanium alloy VT3-1 brazed joints (in Slovak)
SVEC, P., PULC, V., GONDAR, E.
vol. 35 (1997), no. 4, pp. 221 - 229

Abstract
In the work strength and microstructure of joints made from hot pressed silicon nitride (HPSN) and titanium alloy TiAl6Mo3Cr2FeSi (VT3-1) is investigated and evaluated. Active Ag-Cu-Ti based brazing alloys were chosen for preparation of the joints. The joints were prepared with interlayers of W, Mo, and austenitic stainless steel 17 246 (18Cr-8Ni), or without the interlayer. The effect of the interlayer on shear strength of joints and morphology of fractured surfaces was investigated. The highest average shear strength ~175 MPa was achieved when an interlayer made of stainless steel was used. The microstructure of the joints was observed by SEM and the distribution of elements in the vicinity of the joint interfaces was analysed by EDS method.

Key words
strength, microstructure, silicon nitride (HPSN), titanium alloy TiAl6Mo3Cr2FeSi (VT3-1), shear strength of joints

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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