Sintering of HA/Zirconia Composite for Biomedical and Dental Applications: A Review

Abstract:

Hydroxyapatite is a calcium phosphate product that being widely use in medical application due to its excellence biocompatibility. However its application has being limited due to the inferior mechanical properties, many researcher attempted to improve its mechanical properties. HA-ZrO2 composites have great potential because of their advantages from both constituent materials, such as the excellent biocompatibility of HA and the considerable mechanical strength and toughness of ZrO2. The synergy of the two materials provides a new possibility for developing a composite material with better properties than monolithic ZrO2 and HA. In this work, the stages of development, as well as the different sintering and processing methods of HA and ZrO2 such as conventional sintering, solid-state reaction, microwave sintering and hot isostatic pressing were discussed. It can be concluded that hot isostatic pressing processing yield the most satisfying result amount above method, however the use of nano structured material maybe able to provide alternative processing method and yield better result.

• Periodical: Advanced Materials Research (Volume 686)
• Pages: 290-295
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.686.290
• Online since: April 2013
• Authors: Kok Fong Lim, Muchtar Andanastuti, Rusnah Mustaffa, Chou Yong Tan
• Keywords: Composite, Hydroxyapatite (HAP), Sintering Method, Zirconia

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