Material processing of hydroxyapatite and titanium alloy (HA/Ti) composite as implant materials using powder metallurgy: A review

Amir Arifin, Abu Bakar Sulong, Norhamidi Muhamad, Junaidi Syarif, Mohd Ikram Ramli

Research output: Contribution to journalArticle

151 Citations (Scopus)

Abstract

The bio-active and biodegradable properties of hydroxyapatite (HA) make this material a preferred candidate for implants such as bone replacement in replacing natural tissues damaged by diseases and accidents. However, the low mechanical strength of HA hinders its application. Combining HA with a biocompatible material with a higher mechanical strength, such as a titanium (Ti) alloy, to form a composite has been of interest to researchers. A HA/Ti composite would possess characteristics essential to modern implant materials, such as bio-inertness, a low Young's modulus, and high biocompatibility. However, there are issues in the material processing, such as the rheological behavior, stress-shielding, diffusion mechanism and compatibility between the two phases. This paper reviews the HA and Ti alloy interactions under various conditions, in vitro and in vivo tests for HA/Ti composites, and common powder metallurgy processes for HA/Ti composites (e.g., pressing and sintering, isostatic pressing, plasma spraying, and metal injection molding).

Original languageEnglish
Pages (from-to)165-175
Number of pages11
JournalMaterials and Design
Volume55
DOIs
Publication statusPublished - 2014

Fingerprint

Powder metallurgy
Hydroxyapatite
Titanium alloys
Durapatite
Composite materials
Processing
Strength of materials
Pressing (forming)
Metal molding
Plasma spraying
Biocompatible Materials
Biocompatibility
Injection molding
Shielding
Accidents
Bone
Sintering
Elastic moduli
Tissue
hydroxyapatite-titanium alloy

Keywords

  • Biocompatibility
  • Ceramic-metal composite
  • Material processing
  • Mechanical properties
  • Powder metallurgy

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Material processing of hydroxyapatite and titanium alloy (HA/Ti) composite as implant materials using powder metallurgy : A review. / Arifin, Amir; Sulong, Abu Bakar; Muhamad, Norhamidi; Syarif, Junaidi; Ramli, Mohd Ikram.

In: Materials and Design, Vol. 55, 2014, p. 165-175.

Research output: Contribution to journalArticle

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