Refractory high entropy superalloys (RSAs)

DB Miracle, MH Tsai, ON Senkov, V Soni, R Banerjee - Scripta Materialia, 2020 - Elsevier
Complex, concentrated alloys (CCAs) containing refractory principal elements and Al can
have microstructures with disordered body-centered cubic (BCC) and ordered B2 phases …

A new ordered orthorhombic phase in a Ti3Al Nb alloy

D Banerjee, AK Gogia, TK Nandi, VA Joshi - Acta Metallurgica, 1988 - Elsevier
An ordered orthorhombic phase has been detected in a Ti-25at.% Al-12.5 at.% Nb alloy
which is one of a family of Ti 3 Al base alloys under development for high temperature …

Atomic short-range order and incipient long-range order in high-entropy alloys

P Singh, AV Smirnov, DD Johnson - Physical Review B, 2015 - APS
Within density-functional theory, we apply an electronic-structure-based thermodynamic
theory to calculate short-ranged order (SRO) in homogeneously disordered substitutional N …

The formation of ordered ω-related phases in alloys of composition Ti4Al3Nb

LA Bendersky, WJ Boettinger, BP Burton… - Acta Metallurgica et …, 1990 - Elsevier
During cooling of an alloy of composition Ti 4 Al 3 Nb from a B2 phase field above 1100° C,
a metastable trigonal (P 3 m 1) ω-related phase, designated ω ″, forms along with small …

Microstructure evolution and its effect on tensile and fracture behaviour of Ti-AI-Nb α2 intermetallics

CH Ward - International materials reviews, 1993 - journals.sagepub.com
The alloy system based on the nominal composition Ti–25AI was first studied over 30 years
ago, and has undergone research for approximately the past 15 years. However, only during …

Properties of passive film formed on CP titanium, Ti–6Al–4V and Ti–13.4 Al–29Nb alloys in simulated human body conditions

AK Shukla, R Balasubramaniam, S Bhargava - Intermetallics, 2005 - Elsevier
The passive film behavior of CP Titanium, Ti–6Al–4V and Ti-based intermetallic Ti–13.4 Al–
29Nb was investigated as a function of immersion time in simulated body condition (Hank's …

Microstructure evolution and phase transformations in Ti-22Al-25Nb alloys tailored by super-transus solution treatment

Y Huang, Y Liu, C Li, Z Ma, L Yu, H Li - Vacuum, 2019 - Elsevier
The decomposition of metastable β phase and microstructural evolution of a forged Ti-22Al-
25Nb orthorhombic alloys were investigated by the electron microscopes and phase …

[PDF][PDF] Recent advances on microstructural controlling and hot forming of Ti2AlNb-based alloys

J SHEN, A FENG - Acta Metall Sin, 2013 - researchgate.net
Intermetallic alloys based on an ordered orthorhombic phase Ti2AlNb, hereafter referred to
as the Ti2AlNb–based alloys, are continually developing as attractive materials for …

Phase transformations in the (Ti, Al) 3 Nb section of the Ti Al Nb system—I. Microstructural predictions based on a subgroup relation between phases

LA Bendersky, A Roytburd, WJ Boettinger - Acta metallurgica et materialia, 1994 - Elsevier
Possible paths for the constant composition coherent transformation of bcc or B2 high
temperature phases to low temperature hcp or orthorhombic phases in the Ti Al Nb …

[PDF][PDF] Microstructures and phase relationships in the Ti3Al+ Nb system

HT Kestner-Weykamp, CH Ward, TF Broderick… - Scripta …, 1989 - academia.edu
Alloys based on the tx2-Ti3Al compound (hexagonal DOt9 structure) are currently
experiencing limited use as advanced aerospace materials. To date, the alloys with the most …