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| Azevedo, Nuno Monteiro |
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| Rignanese, Gian-Marco |
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Krajewski, Arkadiusz
Warsaw University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2019Structure Investigation of Titanium Metallization Coating Deposited onto AlN Ceramics Substrate by Means of Friction Surfacing Processcitations
- 2015Effects of ultrasonic vibrations on laser beam welded aluminium alloy fusion welds shape and structure
- 2013Fusion welding with ultrasonic vibration assistance
- 2013Wpływ fazy drgań ultradźwiękowych na strukturę i twardość napoin stopu aluminium 2017A
- 2011Mechanical and Thermal Properties of SiC – Ceramics Substrate Interface
- 2011Mechanical and Thermal Properties of SiC – Ceramics Substrate Interface
- 2009Wspomaganie procesów spawalniczych drganiami mechanicznymi
- 2006Nickel aluminides as a „filler” for joining ceramics and metals
- 2003Brazing of alumina ceramics modified by pulsed plasma beams combined with arc PVD treatmentcitations
- 2000Projektowanie procesów spajania ceramiki azotkowej z metalami dla założonej wytrzymałości połączeń
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document
Mechanical and Thermal Properties of SiC – Ceramics Substrate Interface
Abstract
In this paper, we present the realization of assembly of SiC samples to DBC substrate (Direct Bonding Copper Substrate with 200 µm Gu metallization Au covered] by low-temperature sintering of micro scale Ag powder. In the preliminary experiments DBC test samples size 3 × 3 mm (in place of SiC die) were assembled to DBC substrate size 10 × 10 mm using following methods: a) sintering by Ag powder with Ag microparticles in air by applying temperature and pressure, b) sintering by Ag powder with Ag microparticles using temperature, pressure and high vacuum. Methods "a" and "b" permit to obtain very good adhesion range 8...10 MPa after sintering. However after ageing test at temperature 350°C in air the adhesion fall down dramatically. By increasing sintering temperature up to 500...550°C and sintering in vacuum range 1.3 Pa the adhesion is satisfactory. The results of these experiments will be presented in paper.