Sinterability of Hydroxyapatite/Zirconia Micro-parts Fabricated by Two-component Micro-powder Injection Molding Process

  • Norhamidi Muhamad*
  • , Al Basir
  • , Abu Bakar Sulong
  • , Muhammad Mohamed Amin
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In the present study, we investigated the effect of the sintering temperature on the physical properties of bi-material micro-components of hydroxyapatite (HA) and 3 mol% yttria-stabilized zirconia (3YSZ) fabricated utilizing a two-component micro-powder injection molding (2C-µPIM) technique. Firstly, HA and 3YSZ powders were individually mixed with binders to prepare the feedstocks. Following micro-injection molding of the HA and 3YSZ feedstocks into the dumbbell shape, the debinding procedure was carried out. The debound samples were sintered at temperatures ranging from 1200 ◦C to 1400 ◦C. According to field emission scanning electron microscopy (FESEM) analysis of the microstructures, sintering resulted in the formation of a bonding between two different types of ceramic in micro-sized HA/3YSZ components. The highest relative density of 98% was achieved after sintering. The sintered HA/3YSZ micro-parts demonstrated a linear shrinkage between 11% and 19% after the sintering process.

Original languageEnglish
Pages (from-to)S625-S628
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume72
DOIs
StatePublished - 15 Mar 2025
Externally publishedYes

Bibliographical note

Publisher Copyright:
©2025 Japan Society of Powder and Powder Metallurgy.

Keywords

  • HA/3YSZ micro-parts
  • sintering
  • two-component micro-powder injection molding

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

Fingerprint

Dive into the research topics of 'Sinterability of Hydroxyapatite/Zirconia Micro-parts Fabricated by Two-component Micro-powder Injection Molding Process'. Together they form a unique fingerprint.

Cite this