Effects of two-step sintering on the properties of hydroxyapatite bioceramic

S. Ramesh, C. J. Gan, L. T. Bang, A. Niakan, C. Y. Tan, J. Purbolaksono, Hari Chandran, S. Ramesh, Boon Kar Yap, W. D. Teng

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In the present study, the sintering behaviour of hydroxyapatite (HA) was investigated by employing the two-step and conventional sintering methods. Comparisons were made between different combinations of sintering temperatures to examine their influence on the sinterability of the samples. The sintered samples were examined in terms of phase stability, relative density, grain size, Vickers hardness, and fracture toughness. The results revealed that the two-step sintering cycle was effective in suppressing grain coarsening when compared to conventional sintering. The study also found that while employing the twostep sintering, the selected temperature (T1) at which densification occurs plays a major role in determining the mechanical properties of HA samples.

Original languageEnglish
Pages (from-to)683-689
Number of pages7
JournalJournal of Ceramic Processing Research
Volume16
Issue number6
Publication statusPublished - 01 Jan 2015

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Bioceramics
Durapatite
Hydroxyapatite
Sintering
Phase stability
Vickers hardness
Coarsening
Densification
Fracture toughness
Mechanical properties
Temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

Cite this

Ramesh, S., Gan, C. J., Bang, L. T., Niakan, A., Tan, C. Y., Purbolaksono, J., ... Teng, W. D. (2015). Effects of two-step sintering on the properties of hydroxyapatite bioceramic. Journal of Ceramic Processing Research, 16(6), 683-689.
Ramesh, S. ; Gan, C. J. ; Bang, L. T. ; Niakan, A. ; Tan, C. Y. ; Purbolaksono, J. ; Chandran, Hari ; Ramesh, S. ; Yap, Boon Kar ; Teng, W. D. / Effects of two-step sintering on the properties of hydroxyapatite bioceramic. In: Journal of Ceramic Processing Research. 2015 ; Vol. 16, No. 6. pp. 683-689.
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abstract = "In the present study, the sintering behaviour of hydroxyapatite (HA) was investigated by employing the two-step and conventional sintering methods. Comparisons were made between different combinations of sintering temperatures to examine their influence on the sinterability of the samples. The sintered samples were examined in terms of phase stability, relative density, grain size, Vickers hardness, and fracture toughness. The results revealed that the two-step sintering cycle was effective in suppressing grain coarsening when compared to conventional sintering. The study also found that while employing the twostep sintering, the selected temperature (T1) at which densification occurs plays a major role in determining the mechanical properties of HA samples.",
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Ramesh, S, Gan, CJ, Bang, LT, Niakan, A, Tan, CY, Purbolaksono, J, Chandran, H, Ramesh, S, Yap, BK & Teng, WD 2015, 'Effects of two-step sintering on the properties of hydroxyapatite bioceramic', Journal of Ceramic Processing Research, vol. 16, no. 6, pp. 683-689.

Effects of two-step sintering on the properties of hydroxyapatite bioceramic. / Ramesh, S.; Gan, C. J.; Bang, L. T.; Niakan, A.; Tan, C. Y.; Purbolaksono, J.; Chandran, Hari; Ramesh, S.; Yap, Boon Kar; Teng, W. D.

In: Journal of Ceramic Processing Research, Vol. 16, No. 6, 01.01.2015, p. 683-689.

Research output: Contribution to journalArticle

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T1 - Effects of two-step sintering on the properties of hydroxyapatite bioceramic

AU - Ramesh, S.

AU - Gan, C. J.

AU - Bang, L. T.

AU - Niakan, A.

AU - Tan, C. Y.

AU - Purbolaksono, J.

AU - Chandran, Hari

AU - Ramesh, S.

AU - Yap, Boon Kar

AU - Teng, W. D.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - In the present study, the sintering behaviour of hydroxyapatite (HA) was investigated by employing the two-step and conventional sintering methods. Comparisons were made between different combinations of sintering temperatures to examine their influence on the sinterability of the samples. The sintered samples were examined in terms of phase stability, relative density, grain size, Vickers hardness, and fracture toughness. The results revealed that the two-step sintering cycle was effective in suppressing grain coarsening when compared to conventional sintering. The study also found that while employing the twostep sintering, the selected temperature (T1) at which densification occurs plays a major role in determining the mechanical properties of HA samples.

AB - In the present study, the sintering behaviour of hydroxyapatite (HA) was investigated by employing the two-step and conventional sintering methods. Comparisons were made between different combinations of sintering temperatures to examine their influence on the sinterability of the samples. The sintered samples were examined in terms of phase stability, relative density, grain size, Vickers hardness, and fracture toughness. The results revealed that the two-step sintering cycle was effective in suppressing grain coarsening when compared to conventional sintering. The study also found that while employing the twostep sintering, the selected temperature (T1) at which densification occurs plays a major role in determining the mechanical properties of HA samples.

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Ramesh S, Gan CJ, Bang LT, Niakan A, Tan CY, Purbolaksono J et al. Effects of two-step sintering on the properties of hydroxyapatite bioceramic. Journal of Ceramic Processing Research. 2015 Jan 1;16(6):683-689.