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@article{Knowles:2017:10.1016/j.scriptamat.2017.06.038,
author = {Knowles, AJ and Jun, T-S and Bhowmik, A and Jones, NG and Giuliani, F and Britton, TB and Stone, HJ and Dye, D},
doi = {10.1016/j.scriptamat.2017.06.038},
journal = {Scripta Materialia},
pages = {71--75},
title = {A new beta titanium alloy system reinforced with superlattice intermetallic precipitates},
url = {http://dx.doi.org/10.1016/j.scriptamat.2017.06.038},
volume = {140},
year = {2017}
}
TY - JOUR
AB - Titanium alloys traditionally lack a nm-scale intermetallic precipitate that can be exploited for age-hardening from solid solution. Here such a strengthening concept is developed in the Ti-Fe-Mo system, with it being found that a high temperature β (bcc A2) single-phase field for homogenisation can be obtained, which following ageing (750 °C/80 h) precipitated B2 TiFe <100 nm in size. The orientation relationship was found to be 100A2//100B2, {100}A2//{100}B2, with a misfit of −6.1%. The alloy was found to be very hard (HV0.5 = 6.4 GPa) and strong (σy, 0.2 = 1.9 GPa) with a density of 6.68 g cm−3. TEM observation and micropillar deformation showed that the precipitates resist dislocation cutting.
AU - Knowles,AJ
AU - Jun,T-S
AU - Bhowmik,A
AU - Jones,NG
AU - Giuliani,F
AU - Britton,TB
AU - Stone,HJ
AU - Dye,D
DO - 10.1016/j.scriptamat.2017.06.038
EP - 75
PY - 2017///
SN - 1872-8456
SP - 71
TI - A new beta titanium alloy system reinforced with superlattice intermetallic precipitates
T2 - Scripta Materialia
UR - http://dx.doi.org/10.1016/j.scriptamat.2017.06.038
UR - http://hdl.handle.net/10044/1/49608
VL - 140
ER -