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Estonian Journal of Engineering
Diffusion joining of silicon nitride ceramics; pp. 301–308
PDF | doi: 10.3176/eng.2009.4.07

Steffen Dahms, Felix Gemse, Ursula Basler, Hans-Peter Martin, Anke Triebert
High-temperature and wear-resistant ceramics require new joining technologies for manufacturing large-sized and complex components from segments with multi-functional characteristics. Special ceramic foils were developed (LPS-SiC foils – Liquid-Phase-Sintering) for the joining of the non-oxide ceramics – silicon nitride Si3N4. Different concentration of sinter additive in the foils has an influence on the sinter temperature. Pressure- and vacuum-tight joints could be produced through diffusion joining by means of adjusted foils, which show a strength high enough for application at the temperatures up to 1600–1700 °C.

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