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 language | English |
|---|---|
| Pages (from-to) | S625-S628 |
| Journal | Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy |
| Volume | 72 |
| DOIs | |
| State | Published - 15 Mar 2025 |
| Externally published | Yes |
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
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