Short-range ordering alters the dislocation nucleation and propagation in refractory high-entropy alloys

S Chen, ZH Aitken, S Pattamatta, Z Wu, ZG Yu… - Materials Today, 2023 - Elsevier
The role of short-range ordering (SRO) in the dislocation kinetics in refractory high-entropy
alloys (RHEAs) remains controversial. On one hand, it was shown by simulations that the …

Nucleation of intragranular ferrite at Ti2O3 particle in low carbon steel

JH Shim, YW Cho, SH Chung, JD Shim, DN Lee - Acta Materialia, 1999 - Elsevier
Systematic experiments have been performed to study the intragranular nucleation
phenomena of ferrite in Ti-bearing low carbon steels. The fine intragranular acicular ferrite …

Non-classical homogeneous precipitation mediated by compositional fluctuations in titanium alloys

S Nag, Y Zheng, REA Williams, A Devaraj, A Boyne… - Acta Materialia, 2012 - Elsevier
This paper presents experimental evidence of homogeneous precipitation of the α-phase
within the β matrix of a titanium alloy, and then accounts for this phase transformation by a …

Diffusivities and atomic mobilities in bcc Ti–V–Mo alloys

H Zhang, N Gao, W Bai, M Rong, J Wang, L Zhang… - Calphad, 2023 - Elsevier
In pursuit of a comprehensive exploration into the diffusion kinetics of bcc Ti–V–Mo alloys,
sixteen sets of diffusion couples were prepared within the bcc phase of Ti–V–Mo alloys …

Pseudospinodal mechanism for fine α/β microstructures in β-Ti alloys

A Boyne, D Wang, RP Shi, Y Zheng, A Behera, S Nag… - Acta materialia, 2014 - Elsevier
Recent experimental observations in β-Ti alloys have demonstrated the formation of a dense
population of fine intragranular α precipates when the alloy is step-quenched below a critical …

Crack tip dislocation activity in refractory high-entropy alloys

S Chen, ZH Aitken, S Pattamatta, Z Wu, ZG Yu… - International Journal of …, 2024 - Elsevier
Dislocation activities play an important role in the deformation and failure of refractory high-
entropy alloys (RHEAs). However, the impact of chemical short-range ordering (SRO) on …

Integrated computational materials engineering (ICME) approach to design of novel microstructures for Ti-alloys

D Wang, R Shi, Y Zheng, R Banerjee, HL Fraser… - Jom, 2014 - Springer
In this overview, we present integrated CAPHAD and phase-field modeling with critical
experiments to explore a newly discovered, nonconventional, solid–solid phase …

Crystallography, thermodynamics and phase transitions in refractory binary alloys

AR Natarajan, P Dolin, A Van der Ven - Acta Materialia, 2020 - Elsevier
We investigate phase stability in all binary alloys comprised of elements from groups 4 (Ti,
Zr, Hf), 5 (V, Nb, Ta) and 6 (Cr, Mo, W) of the periodic table. First-principles calculations of …

Additive manufacturing of pure Mo and Mo+ TiC MMC alloy by electron beam powder bed fusion

C Rock, E Lara-Curzio, B Ellis, C Ledford, DN Leonard… - JOM, 2020 - Springer
A metal matrix composite powder of molybdenum (Mo)+ TiC was produced by mechanical
alloying (MA) and used in additive manufacturing by electron beam powder bed fusion …

Effects of Mo additions on the corrosion behavior of WC–TiC–Ni hardmetals in acidic solutions

Q Zhang, N Lin, Y He - International Journal of Refractory Metals and Hard …, 2013 - Elsevier
The corrosion behavior of WC–TiC–Ni cemented carbides with the additions of molybdenum
was investigated in 1M H2SO4 and 1M HCl solutions utilizing potentiodynamic polarization …