Microstructure development during liquid-phase sintering

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Microstructure development during liquid-phase sintering has been analysed using the pore-filling theory. The interdependence between sintered density and average grain size, i. e., the relative density-grain size trajectory has been described for various types of processing and sintering parameters. The effects of sintering temperature, initial porosity, average pore size, liquid volume fraction, dihedral and wetting angle, and sintering atmosphere pressure have been evaluated. A critical examination has also been made of the factors determining the trajectory shape and the implication of activation energy for densification. The predicted microstructure developments should demonstrate various possibilities of controlling microstructure during liquidphase sintering.
Publisher
CARL HANSER VERLAG
Issue Date
2005-02
Language
ENG
Article Type
Article
Keywords

GRAIN-GROWTH; W-NI; SHAPE ACCOMMODATION; VOLUME FRACTION; MO-NI; DENSIFICATION; PORES; KINETICS; REARRANGEMENT; ELIMINATION

Citation

ZEITSCHRIFT FUR METALLKUNDE, v.96, pp.141 - 147

ISSN
0044-3093
URI
http://hdl.handle.net/10203/6660
Appears in Collection
MS-Journal Papers(저널논문)
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