A new refractory Ti-Nb-Hf-Al high entropy alloy strengthened by orthorhombic phase particles

Volume: 92, Pages: 105322 - 105322
Published: Nov 1, 2020
Abstract
This study reports the structure and mechanical properties of a new refractory Ti40Nb30Hf15Al15 (at.%) high entropy alloy. The alloy was fabricated by vacuum arc melting and had a density of 7.07 ± 0.03 g/cm3. After annealing at 1200 °C for 24 h, the alloy possessed a single-phase B2 structure. Further annealing at 600 °C for 24 h resulted in the formation of Widmanstatten (Ti, Al)-rich orthorhombic particles (O-phase) in a bcc matrix. The...
Paper Details
Title
A new refractory Ti-Nb-Hf-Al high entropy alloy strengthened by orthorhombic phase particles
Published Date
Nov 1, 2020
Journal
Volume
92
Pages
105322 - 105322
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