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Synergistic enhancement of strength and plastic stability in near-α Ti-6Al-2.5V alloy via interstitial oxygen and macrozone fragmentation

delete2026-08-04
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PRE
AI
Y
Yurong Fan
X
Xiangyi Xue
X
Xingyu Lu
Y
Yuao Shen
张燮 (Xie Zhang)
J
Jinshan Li
M
Minjie Lai
罗婷 (Ting Luo) *
DOI:10.1016/j.msea.2026.150898delete
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Abstract

Abstract

En 中文
• Oxygen and macrozone fragmentation achieve strength‑ductility synergy: yield strength 856 MPa and 18 % elongation. • Oxygen triggers dislocation‑slip transition and activates <c+a> type Ⅱ pyramidal slip for multi‑slip coordination. • Macrozone fragmentation and improved work‑hardening restrain cleavage‑like facets and secure favourable plastic stability.

Journal

M
Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing
IF:
7
Papers:
3.7W
Citations:
13.8W

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