Microstructural and mechanical investigation of hydroxyapatite-zirconia nanocomposites prepared by spark plasma sintering

Gréta Gergely; Filiz Cinar Sahin; Gültekin Göller; Onuralp Yücel; Csaba Balázsi

doi:10.1016/j.jeurceramsoc.2013.01.027

Microstructural and mechanical investigation of hydroxyapatite-zirconia nanocomposites prepared by spark plasma sintering

Gréta Gergely^*, Filiz Cinar Sahin, Gültekin Göller, Onuralp Yücel, Csaba Balázsi

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Hungarian Academy of Sciences

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Nano hydroxyapatite (nHA)-zirconia (ZrO₂) composites have been produced by spark plasma sintering (SPS). During the SPS process low temperatures (600-950°C) and short dwelling time (5min) have been applied to avoid the decomposition of nHA as well as the reaction between nHA and ZrO₂. The grain size of the sintered composites was between 200 and 1000nm. Carbon diffusion was induced from the graphite die and layered composite structure was formed. These observations might be related to the spark plasma sintering side effects. The microstructure and mechanical properties of high hydroxyapatite content zirconia composites have been found to be influenced and strongly correlated with the specialties of SPS method.

Original language	English
Pages (from-to)	2313-2319
Number of pages	7
Journal	Journal of the European Ceramic Society
Volume	33
Issue number	12
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2013.01.027
Publication status	Published - Oct 2013

Funding

Thanks to OTKA grant 105355 , NKTH Öveges József Grant, Korea-Hungary bilaterial grant , TÁMOP 4.2.2-08/1/KMR-2008-0004 and 4.2.1/B 09/1/KMR-2010-0001 projects. Thanks to Dr.Z.E. Horváth for XRD measurements, to Mr. F. Wéber, Mr. A. Petrik, Mr. V. Varga for the powder preparation, to Mr. L. Illés and Dr.I. E. Lukács for the SEM and EDS measurements.

Funders	Funder number
Hungarian Scientific Research Fund	105355
Nemzeti KutatÃ¡si Ã©s TechnolÃ³giai Hivatal	TÁMOP 4.2.2-08/1/KMR-2008-0004, 4.2.1/B 09/1/KMR-2010-0001

Keywords

HA
Microstructure
Nanocomposite
Spark plasma sintering

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10.1016/j.jeurceramsoc.2013.01.027

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title = "Microstructural and mechanical investigation of hydroxyapatite-zirconia nanocomposites prepared by spark plasma sintering",

abstract = "Nano hydroxyapatite (nHA)-zirconia (ZrO2) composites have been produced by spark plasma sintering (SPS). During the SPS process low temperatures (600-950°C) and short dwelling time (5min) have been applied to avoid the decomposition of nHA as well as the reaction between nHA and ZrO2. The grain size of the sintered composites was between 200 and 1000nm. Carbon diffusion was induced from the graphite die and layered composite structure was formed. These observations might be related to the spark plasma sintering side effects. The microstructure and mechanical properties of high hydroxyapatite content zirconia composites have been found to be influenced and strongly correlated with the specialties of SPS method.",

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author = "Gr{\'e}ta Gergely and Sahin, {Filiz Cinar} and G{\"u}ltekin G{\"o}ller and Onuralp Y{\"u}cel and Csaba Bal{\'a}zsi",

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T1 - Microstructural and mechanical investigation of hydroxyapatite-zirconia nanocomposites prepared by spark plasma sintering

AU - Gergely, Gréta

AU - Sahin, Filiz Cinar

AU - Göller, Gültekin

AU - Yücel, Onuralp

AU - Balázsi, Csaba

PY - 2013/10

Y1 - 2013/10

N2 - Nano hydroxyapatite (nHA)-zirconia (ZrO2) composites have been produced by spark plasma sintering (SPS). During the SPS process low temperatures (600-950°C) and short dwelling time (5min) have been applied to avoid the decomposition of nHA as well as the reaction between nHA and ZrO2. The grain size of the sintered composites was between 200 and 1000nm. Carbon diffusion was induced from the graphite die and layered composite structure was formed. These observations might be related to the spark plasma sintering side effects. The microstructure and mechanical properties of high hydroxyapatite content zirconia composites have been found to be influenced and strongly correlated with the specialties of SPS method.

AB - Nano hydroxyapatite (nHA)-zirconia (ZrO2) composites have been produced by spark plasma sintering (SPS). During the SPS process low temperatures (600-950°C) and short dwelling time (5min) have been applied to avoid the decomposition of nHA as well as the reaction between nHA and ZrO2. The grain size of the sintered composites was between 200 and 1000nm. Carbon diffusion was induced from the graphite die and layered composite structure was formed. These observations might be related to the spark plasma sintering side effects. The microstructure and mechanical properties of high hydroxyapatite content zirconia composites have been found to be influenced and strongly correlated with the specialties of SPS method.

KW - HA

KW - Microstructure

KW - Nanocomposite

KW - Spark plasma sintering

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IS - 12

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Microstructural and mechanical investigation of hydroxyapatite-zirconia nanocomposites prepared by spark plasma sintering

Abstract

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Keywords

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