Titanium carbide precipitation in Ti-22Nb alloy fabricated by metal injection moulding

Zhao, Dapeng, Chang, Keke, Ebel, Thomas, Qian, Ma, Willumeit, Regine, Yan, Ming and Pyczak, Florian (2014) Titanium carbide precipitation in Ti-22Nb alloy fabricated by metal injection moulding. Powder Metallurgy, 57 1: 2-4. doi:10.1179/0032589914Z.000000000153


Author Zhao, Dapeng
Chang, Keke
Ebel, Thomas
Qian, Ma
Willumeit, Regine
Yan, Ming
Pyczak, Florian
Title Titanium carbide precipitation in Ti-22Nb alloy fabricated by metal injection moulding
Journal name Powder Metallurgy   Check publisher's open access policy
ISSN 1743-2901
0032-5899
Publication date 2014-01-01
Sub-type Article (original research)
DOI 10.1179/0032589914Z.000000000153
Open Access Status
Volume 57
Issue 1
Start page 2
End page 4
Total pages 3
Place of publication Leeds, W Yorks, United Kingdom
Publisher Maney Publishing
Language eng
Abstract Metal injection moulding was applied to fabricate Ti-22Nb alloy as a low modulus material for biomedical applications. Tensile test specimens were injection moulded, followed by debinding and sintering. Sintering was at 1500°C for 4 h under vacuum (10-3 Pa). Selected as-sintered Ti-22Nb samples were hot isostatically pressed at 915°C/100 MPa for 2 h. The nature of the titanium carbide precipitates in the assintered Ti-22Nb alloy was investigated. Selected area electron diffraction patterns revealed that the carbides are Ti2C with a fcc structure. The calculation of the phase diagram showed a significant decrease of carbon solubility in Ti-22Nb compared with that in Ti from 500 to 1500 °C, contributing to the carbide precipitation in Ti-22Nb. Due to the carbide precipitation, the as-hipped Ti-22Nb alloy exhibited higher tensile strength but lower elongation than conventionally processed Ti-22Nb.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2015 Collection
Official Audit
 
Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 5 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 7 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Tue, 15 Apr 2014, 11:28:11 EST by System User on behalf of School of Mechanical and Mining Engineering