Abstract
We present an efficient process to fabricate reinforced titanium α + β alloys. Porous Ti compacts containing vanadium were prepared by a metal injection molding process. Infiltration of molten Al and subsequent heat treatments were performed to synthesize a variety of Ti-V-Al alloys. The V-added specimens showed better mechanical properties than those of V-free Ti-Al intermetallic compounds. Microstructural observation of the fracture surface revealed that the lamellar structure in the Ti-V-Al alloys plays an important role in improving their mechanical properties by postponing the propagation of cracks. Notably, the lamellar structures in the Ti-V-Al alloys disappeared and the mechanical properties deteriorated as the Al infiltration duration time increased. Therefore, Al infiltration time is a crucial factor for successful growth of well-defined lamellar structured α + β phases in Ti-V-Al alloys.
| Original language | English |
|---|---|
| Pages (from-to) | 775-781 |
| Number of pages | 7 |
| Journal | Journal of Alloys and Compounds |
| Volume | 768 |
| DOIs | |
| Publication status | Published - 2018 Nov 5 |
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All Science Journal Classification (ASJC) codes
- Mechanics of Materials
- Mechanical Engineering
- Metals and Alloys
- Materials Chemistry
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Fabrication of reinforced α+β titanium alloys by infiltration of Al into porous Ti-V compacts. / Kim, Sumin; Jung, Hwaebong; Rim, Hyun Jun; Lee, Hyun Sook; Lee, Wooyoung.
In: Journal of Alloys and Compounds, Vol. 768, 05.11.2018, p. 775-781.Research output: Contribution to journal › Article
TY - JOUR
T1 - Fabrication of reinforced α+β titanium alloys by infiltration of Al into porous Ti-V compacts
AU - Kim, Sumin
AU - Jung, Hwaebong
AU - Rim, Hyun Jun
AU - Lee, Hyun Sook
AU - Lee, Wooyoung
PY - 2018/11/5
Y1 - 2018/11/5
N2 - We present an efficient process to fabricate reinforced titanium α + β alloys. Porous Ti compacts containing vanadium were prepared by a metal injection molding process. Infiltration of molten Al and subsequent heat treatments were performed to synthesize a variety of Ti-V-Al alloys. The V-added specimens showed better mechanical properties than those of V-free Ti-Al intermetallic compounds. Microstructural observation of the fracture surface revealed that the lamellar structure in the Ti-V-Al alloys plays an important role in improving their mechanical properties by postponing the propagation of cracks. Notably, the lamellar structures in the Ti-V-Al alloys disappeared and the mechanical properties deteriorated as the Al infiltration duration time increased. Therefore, Al infiltration time is a crucial factor for successful growth of well-defined lamellar structured α + β phases in Ti-V-Al alloys.
AB - We present an efficient process to fabricate reinforced titanium α + β alloys. Porous Ti compacts containing vanadium were prepared by a metal injection molding process. Infiltration of molten Al and subsequent heat treatments were performed to synthesize a variety of Ti-V-Al alloys. The V-added specimens showed better mechanical properties than those of V-free Ti-Al intermetallic compounds. Microstructural observation of the fracture surface revealed that the lamellar structure in the Ti-V-Al alloys plays an important role in improving their mechanical properties by postponing the propagation of cracks. Notably, the lamellar structures in the Ti-V-Al alloys disappeared and the mechanical properties deteriorated as the Al infiltration duration time increased. Therefore, Al infiltration time is a crucial factor for successful growth of well-defined lamellar structured α + β phases in Ti-V-Al alloys.
UR - http://www.scopus.com/inward/record.url?scp=85050827296&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85050827296&partnerID=8YFLogxK
U2 - 10.1016/j.jallcom.2018.07.263
DO - 10.1016/j.jallcom.2018.07.263
M3 - Article
AN - SCOPUS:85050827296
VL - 768
SP - 775
EP - 781
JO - Journal of Alloys and Compounds
JF - Journal of Alloys and Compounds
SN - 0925-8388
ER -