ISSN 0862-5468 (Print), ISSN 1804-5847 (online) 

Ceramics-Silikáty 29, (1) 21 - 30 (1985)


SINTERING MECHANISMS OF MgO
 
Haviar Miroslav, Figusch Viliam, Pánek Zdeněk
 
Institute of Inorganic Chemistry, Centre of Chemical Research, Slovak Academy of Sciences, Dubravska cesta 5, 842 36 Bratislava

The higher purity and higher calcining temperatures of the MgO powder tend to retard the particle rearrangement process during the early stages of the sintering of MgO powder compacts. The neck growth between MgO particles is controlled by surface diffusion at the beginning of the sintering. With increasing temperature the transport mechanisms causing densification predominate over surface diffusion.


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