Atom probe tomography

B Gault, A Chiaramonti, O Cojocaru-Mirédin… - Nature Reviews …, 2021 - nature.com
Atom probe tomography (APT) provides three-dimensional compositional map** with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …

Lattice distortion in a strong and ductile refractory high-entropy alloy

C Lee, G Song, MC Gao, R Feng, P Chen, J Brechtl… - Acta Materialia, 2018 - Elsevier
The maximization of the mixing entropy with the optimal range of enthalpy in high-entropy
alloys (HEAs) can promote the formation of a stable single solid-solution phase with the …

A TRIP-assisted dual-phase high-entropy alloy: grain size and phase fraction effects on deformation behavior

Z Li, CC Tasan, KG Pradeep, D Raabe - Acta Materialia, 2017 - Elsevier
We present a systematic microstructure oriented mechanical property investigation for a
newly developed class of transformation-induced plasticity-assisted dual-phase high …

On the enhanced corrosion resistance of a selective laser melted austenitic stainless steel

Q Chao, V Cruz, S Thomas, N Birbilis, P Collins… - Scripta Materialia, 2017 - Elsevier
Corrosion of stainless steels, including the austenitic Fe-Cr-Ni alloys, is associated with MnS
inclusions that provide local sites for corrosion pits. Much research effort has been focused …

Design of a twinning-induced plasticity high entropy alloy

Y Deng, CC Tasan, KG Pradeep, H Springer, A Kostka… - Acta Materialia, 2015 - Elsevier
We introduce a liquid metallurgy synthesized, non-equiatomic Fe 40 Mn 40 Co 10 Cr 10
high entropy alloy that is designed to undergo mechanically-induced twinning upon …

Bulk tracer diffusion in CoCrFeNi and CoCrFeMnNi high entropy alloys

M Vaidya, KG Pradeep, BS Murty, G Wilde, SV Divinski - Acta Materialia, 2018 - Elsevier
High entropy alloys (HEAs) have emerged as a promising class of equiatomic or near
equiatomic multicomponent alloys, which garner fundamental curiosities and interest in high …

Multiplicity of dislocation pathways in a refractory multiprincipal element alloy

F Wang, GH Balbus, S Xu, Y Su, J Shin, PF Rottmann… - Science, 2020 - science.org
Refractory multiprincipal element alloys (MPEAs) are promising materials to meet the
demands of aggressive structural applications, yet require fundamentally different avenues …

The effect of interstitial carbon on the mechanical properties and dislocation substructure evolution in Fe40. 4Ni11. 3Mn34. 8Al7. 5Cr6 high entropy alloys

Z Wang, I Baker, Z Cai, S Chen, JD Poplawsky, W Guo - Acta Materialia, 2016 - Elsevier
A systematic study of the effects of up to 1.1 at.% carbon on the mechanical properties and
evolution of the dislocation substructure in a series of a high entropy alloys (HEA) based on …

Secondary phases in AlxCoCrFeNi high-entropy alloys: An in-situ TEM heating study and thermodynamic appraisal

JC Rao, HY Diao, V Ocelík, D Vainchtein, C Zhang… - Acta Materialia, 2017 - Elsevier
Secondary phases, either introduced by alloying or heat treatment, are commonly present in
most high-entropy alloys (HEAs). Understanding the formation of secondary phases at high …

Lattice‐distortion‐enhanced yield strength in a refractory high‐entropy alloy

C Lee, Y Chou, G Kim, MC Gao, K An… - Advanced …, 2020 - Wiley Online Library
Severe distortion is one of the four core effects in single‐phase high‐entropy alloys (HEAs)
and contributes significantly to the yield strength. However, the connection between the …