Strong and Ductile Ti-6Al-4V Alloy Produced by Hot Pressing of Ti-6Al-4V Swarf

Yang, F, Pi, Z, Zhao, Q, Raynova, S, Liu, Q, Sharp, K, Brandt, M, Bolzoni, L and Ma, Q 2019, 'Strong and Ductile Ti-6Al-4V Alloy Produced by Hot Pressing of Ti-6Al-4V Swarf', JOM, vol. 71, no. 3, pp. 1056-1061.


Document type: Journal Article
Collection: Journal Articles

Title Strong and Ductile Ti-6Al-4V Alloy Produced by Hot Pressing of Ti-6Al-4V Swarf
Author(s) Yang, F
Pi, Z
Zhao, Q
Raynova, S
Liu, Q
Sharp, K
Brandt, M
Bolzoni, L
Ma, Q
Year 2019
Journal name JOM
Volume number 71
Issue number 3
Start page 1056
End page 1061
Total pages 6
Publisher Springer
Abstract Ti-6Al-4V (Ti-64) swarf is produced every day in commercial operations but its direct use for the fabrication of strong and ductile Ti-6Al-4V alloy is seldom reported. This study consolidated as-received Ti-64 swarf into near fully dense Ti-6Al-4V alloy by hot pressing. The microstructures and tensile mechanical properties of the hot-pressed Ti-64 alloy and the effect of subsequent solution treatment and ageing (STA) were studied. The hot-pressed Ti-64 achieved tensile yield strength (TYS) of 928998 MPa, ultimate tensile strength (UTS) of 10761139 MPa and strain to fracture of 6.927.80%. The STA increased the TYS to 11031143 MPa and UTS to 11881223 MPa, accompanied by a decline in the strain to fracture to 5.326.48%. These tensile property data suggest that it is possible to directly consolidate Ti-6Al-4V swarf into a strong and ductile Ti-6Al-4V alloy by hot pressing for a variety of potential applications.
Subject Metals and Alloy Materials
Keyword(s) Aluminum alloys
Hot pressing
Mechanical properties
Tensile strength
Ternary alloys
Vanadium alloys
DOI - identifier 10.1007/s11837-018-3301-6
Copyright notice © 2019 The Minerals, Metals & Materials Society
ISSN 1047-4838
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