Ultrafast quasi-three-dimensional imaging

Y Lian, L Jiang, J Sun, J Zhou… - International Journal of …, 2023 - iopscience.iop.org
Understanding laser induced ultrafast processes with complex three-dimensional (3D)
geometries and extreme property evolution offers a unique opportunity to explore novel …

Superior wear resistance in cast aluminum alloy via femtosecond laser induced periodic surface structures and surface hardening layer

X Pan, L Zhou, D Hu, W He, P Liu, Z Yu, X Liang - Applied Surface Science, 2023 - Elsevier
Cast Al alloys have been increasingly used in aviation, shipping, aerospace, and automotive
industries as important raw materials of engine parts. However, its poor wear resistance …

Cavitation erosion resistance enhancement of the surface modified 2024T351 Al alloy by ultrasonic shot peening

C Si, W Sun, Y Tian, J Cai - Surface and Coatings Technology, 2023 - Elsevier
In this study, a novel surface strengthening method for improving cavitation erosion
resistance by ultrasonic shot peening (USP) was proposed. Modified 2024T351 aluminium …

Mechanism and optimization of femtosecond laser welding fused silica and aluminum

J Zhan, Y Gao, J Sun, W Zhu, S Wang, L Jiang… - Applied Surface …, 2023 - Elsevier
The ability to weld metals and insulators is widely required in aerospace, sensors and Micro-
electro-mechanical systems (MEMS). Femtosecond laser welding is a precise and clean …

Probing electron and lattice dynamics by ultrafast electron microscopy: Principles and applications

Y Lian, J Sun, L Jiang - International Journal of Mechanical …, 2023 - Wiley Online Library
Microscale charge and energy transfer is an ultrafast process that can determine the
photoelectrochemical performance of devices. However, nonlinear and nonequilibrium …

Shock-induced melting and crystallization in titanium irradiated by ultrashort laser pulse

V Zhakhovsky, Y Kolobov, S Ashitkov, N Inogamov… - Physics of …, 2023 - pubs.aip.org
Modification of titanium microstructure after propagation of a melting shock wave (SW)
generated by a femtosecond laser pulse is investigated experimentally and analyzed using …

Strengthened and hydrophobic surface of titanium alloy by femtosecond laser shock peening without a protective or sacrificial layer

Y Hua, B Guo, L Jiang, R Chen, T Zhang… - Optics & Laser …, 2023 - Elsevier
Titanium alloys are widely used for aviation and other structural components. Their reliability
pertains to their main economic value and safety characteristics under extreme conditions …

Thermomechanical response and strengthening effect of femtosecond laser-irradiated CoCrFeNi high-entropy alloy films

Y Lian, J Sun, Z Zhang, G Lin, Z Chen… - Surface and Coatings …, 2024 - Elsevier
Films can enhance surface corrosion resistance and mechanical properties when applied as
a protective layer. However, these films have poor crystallinity and weak bonding and need …

Ultrafast dynamics and ablation mechanism in femtosecond laser irradiated Au/Ti bilayer systems

Y Lian, L Jiang, J Sun, W Tao, Z Chen, G Lin, Z Ning… - …, 2023 - degruyter.com
The significance of ultrafast laser-induced energy and mass transfer at interfaces has been
growing in the field of nanoscience and technology. Nevertheless, the complexity arising …

Multistage laser shock improves surface structural properties of aluminum alloy

X Zhang, M Xia, C Zhang, Y Hu - International Journal of Mechanical …, 2023 - Elsevier
Functional thin-walled aluminum alloys were the main production materials for the outer wall
of novel lightweight flight power. The harsh service conditions of power had put forward strict …