Remarkable strength-impact toughness conflict in high-strength Al-Mg-Sc-Zr alloy fabricated via laser powder bed fusion additive manufacturing

Z Wang, X Lin, J Wang, N Kang, Y Hu, D Wang… - Additive …, 2022 - Elsevier
Laser powder bed fusion (LPBF) of AlMgScZr alloys have a combination of high strength
and good ductility, which may apply to damage-tolerant structures. However, there have …

Toughening effects of Mo and Nb addition on impact toughness and crack resistance of titanium alloys

S Huang, Q Zhao, Y Zhao, C Lin, C Wu, W Jia… - Journal of Materials …, 2021 - Elsevier
Abstract Ti-6Al, Ti-6Al-2Mo and Ti-6Al-3Nb alloys were prepared to investigate the
toughening effects of β stabilizers Mo and Nb on impact toughness and crack resistance of …

On the impact toughness of gradient-structured metals

Y Lin, Q Yu, J Pan, F Duan, RO Ritchie, Y Li - Acta Materialia, 2020 - Elsevier
Gradient-structured (GS) materials are capable of displaying high strength without
compromising ductility, which can result in damage-tolerant structures. However, due to the …

A review on tribological behaviour and mechanical properties of Al/ZrO2 metal matrix nano composites

N Kumar, G Irfan - Materials Today: Proceedings, 2021 - Elsevier
This article reviews the effects of nano-sized mono metallic zirconium oxide particles on the
mechanical and the tribological behavior of aluminum alloys. The zirconium oxide …

[HTML][HTML] Exceptional cryogenic-to-ambient impact toughness of a low carbon micro-alloyed steel with a multi-heterogeneous structure

X Xu, P Kumar, R Cao, Q Ye, Y Chu, Y Tian, Y Li… - Acta Materialia, 2024 - Elsevier
A low-carbon micro-alloyed (LCMA) steel with a body-centered cubic (bcc) crystal structure
suitable for extremely low temperatures was developed by overcoming the intrinsic ductile-to …

[HTML][HTML] Mechanism of oxygen content on impact toughness of α+ β powder metallurgy titanium alloy

S Gao, K Pan, D Chen, B Wang, S Wu, X Luo… - Journal of Materials …, 2024 - Elsevier
Understanding the mechanism of oxygen on toughness of titanium alloys is crucial for
popularizing powder metallurgy. In this work, the effect of oxygen content (1500, 3000 and …

Enhanced strength-ductility-toughness synergy in an HSLA steel with multi-gradient ultrafine grained structure by adopting a two-stage rolling coupling inter-pass ultra …

XN Xu, HJ Li, BZ Sun, Y Tian, QB Ye - Journal of Materials Processing …, 2023 - Elsevier
In this work, a multi-gradient ultrafine grain (GUFG) structured high strength low alloy (HSLA)
steel was successfully prepared by adopting a two-stage rolling coupling ultra-fast cooling …

Cryogenic impact fracture behavior of a high-Mn austenitic steel using electron backscatter diffraction and neutron Bragg-edge transmission imaging

Y Wang, H Wang, Y Su, P Xu, T Shinohara - Materials Science and …, 2023 - Elsevier
A unique impact fracture behavior is found in a high-Mn austenitic steel (24Mn–4Cr-0.4 C-
0.3 Cu) in this work. The steel exhibits concurrent twinning-induced plasticity (TWIP) effect …

Novel high-strength Al-Cu-Cd alloy fabricated by arc-directed energy deposition: precipitation behavior of the Cd phase and grain evolution

Z Wang, X Lin, L Wang, H Yang, Y Zhou… - Additive …, 2022 - Elsevier
In this study, a simple and efficient method for obtaining high strength and ductility, ie,
microalloying with Cd, was used for the Al-Cu alloy fabricated by the arc-directed energy …

Effects of microstructure anisotropy on dynamic fracture behaviors of a selective laser melting nickel-based superalloy

Y Zhao, B Gong, Y Wang, Y Gu - Materials Science and Engineering: A, 2022 - Elsevier
In the study, the crack initiation and propagation behaviors of Ni-based GH3536
manufactured by selective laser melting (SLM) are quantified by the absorbed impact energy …