Effect of ZnO addition on the purity and densification of forsterite ceramic

C. Y. Tan, Y. M. Tan, S. Ramesh, Boon Kar Yap

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Forsterite was found to the next potential candidate for bone implant application due to its superior mechanical properties as compared to the commonly used hydroxyapatite (HA). Various methods including two-step sintering and improvise synthesis method were introduced in hope to further improve the mechanical properties of forsterite. In this work, sintering additives, particularly zinc oxide (ZnO), was introduced into forsterite to provide enhancement on the densification of forsterite at lower sintering temperature. Forsterite powder was synthesized via solid-state reaction method with heat treatment at 1000°C for 2 hours with 10°C/min ramping rate. Addition of ZnO was conducted using milling process with composition of 0.5 wt% and 1.0 wt% ZnO. Green bulk samples were prepared prior to sintering process at 1200°C to 1500°C for 2 hours with 10°C/min ramping rate. Characterization was conducted in terms of phase stability and densification of forsterite with morphology examination to observe the grain surface of all samples. It was revealed that the addition of ZnO showed a more superior densification as compared to the undoped samples at all sintering regime studied with a maximum relative density obtained at 97.7% by 0.5 wt% ZnO doped sample sintered at 1500°C.

Original languageEnglish
Article number012051
JournalIOP Conference Series: Materials Science and Engineering
Volume206
Issue number1
DOIs
Publication statusPublished - 21 Jun 2017
Event29th Symposium of Malaysian Chemical Engineers, SOMChE 2016 - Miri, Sarawak, Malaysia
Duration: 01 Dec 201603 Dec 2016

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Zinc Oxide
Zinc oxide
Densification
Sintering
Mechanical properties
Phase stability
Solid state reactions
Hydroxyapatite
Durapatite
Bone
Powders
Heat treatment
forsterite
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

Cite this

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title = "Effect of ZnO addition on the purity and densification of forsterite ceramic",
abstract = "Forsterite was found to the next potential candidate for bone implant application due to its superior mechanical properties as compared to the commonly used hydroxyapatite (HA). Various methods including two-step sintering and improvise synthesis method were introduced in hope to further improve the mechanical properties of forsterite. In this work, sintering additives, particularly zinc oxide (ZnO), was introduced into forsterite to provide enhancement on the densification of forsterite at lower sintering temperature. Forsterite powder was synthesized via solid-state reaction method with heat treatment at 1000°C for 2 hours with 10°C/min ramping rate. Addition of ZnO was conducted using milling process with composition of 0.5 wt{\%} and 1.0 wt{\%} ZnO. Green bulk samples were prepared prior to sintering process at 1200°C to 1500°C for 2 hours with 10°C/min ramping rate. Characterization was conducted in terms of phase stability and densification of forsterite with morphology examination to observe the grain surface of all samples. It was revealed that the addition of ZnO showed a more superior densification as compared to the undoped samples at all sintering regime studied with a maximum relative density obtained at 97.7{\%} by 0.5 wt{\%} ZnO doped sample sintered at 1500°C.",
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Effect of ZnO addition on the purity and densification of forsterite ceramic. / Tan, C. Y.; Tan, Y. M.; Ramesh, S.; Yap, Boon Kar.

In: IOP Conference Series: Materials Science and Engineering, Vol. 206, No. 1, 012051, 21.06.2017.

Research output: Contribution to journalConference article

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AU - Tan, C. Y.

AU - Tan, Y. M.

AU - Ramesh, S.

AU - Yap, Boon Kar

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