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On Preparation of Crystalline MgO-Ceramics from Amorphous Precursors

Published online by Cambridge University Press:  15 February 2011

H. Jost ,
Ch. Carius  and
B. Peplinski
H. Jost
Affiliation:
KAI e.V., AG “Hochleistungskeramik”, Rudower Chaussee 5, Gebäude 1.1, D-12489 Berlin, Germany
Ch. Carius
Affiliation:
KAI e.V., AG “Hochleistungskeramik”, Rudower Chaussee 5, Gebäude 1.1, D-12489 Berlin, Germany
B. Peplinski
Affiliation:
Bundesanstalt für Materialforschung und Prüfung (BAM), Rudower Chaussee 5, Gebäude 1.5, D-12489 Berlin, Germany
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Abstract

Amorphous precursors are obtained as a result of the precipitation from magnesium acetate solutions with ammonia in the presence of citric acid. Compared with crystalline precursors they have a higher reactivity and a changed behaviour in calcination process as well as during sintering. Already at 1300 °C sintered pellets are achieved, whereas in technological process 1700 °C are needed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 321: Symposium E – Crystallization and Related Phenomena in Amorphous Materials—Ceramics, Metals, Polymers, and Semiconductors , 1993 , 609
Copyright
Copyright © Materials Research Society 1994

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References

REFERENCES

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