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Spongiosa-like Specimen and Foils of a Biomaterial Composed of Fluorapatite and Calcium Zirconium Phosphate

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Abstract:

A long-term stable material, which has two main crystalline phases – fluorapatite (FA) and calcium zirconium phosphate (CZP) [1, 2] and could be processed to dense sintered samples was tested related to the use with two application forms – spongiosa-like specimen and foils. The suitability of various sintering additives was investigated alone and in diverse combinations. During sintering of the spongiosa-like samples volume shrinkage of about 50% was observed whereas the shrinkage in x,y plane was about twice of the shrinkage in z direction. The cuboid form was not affected by the shrinkage. The compression strength of the spongiosa-like materials was in the range of 1MPa up to 1.6MPa. A ceramic foil was generated via foil slip casting of a slip containing about 38vol% of FA-CZP. Temperature programs were created for debindering and sintering of the green foil and the four-fold laminate, respectively.

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Periodical:

Key Engineering Materials (Volumes 330-332)

Pages:

443-446

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.330-332.443

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Online since:

February 2007

Authors:

Ute Ploska, Georg Berger

Keywords:

Apatite, Calcium Zirconium Phosphate, Foil, Spongiosa-Like Specimen

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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