Study on the fretting wear performance and mechanism of GH4169 superalloy after various laser shock peening treatments

X Fang, J Gong, Y Yu, S Yu, L Zhou, Z Zhang… - Optics & Laser …, 2024 - Elsevier
GH4169 nickel-based superalloy is often used in aero engines, it always suffer from
complicated fretting wear behaviors in the service. To improve the fretting wear performance …

[HTML][HTML] Influence of pulse energy on surface integrity of AZ31 magnesium alloy processed by femtosecond laser shock peening

T Zang, Z Wang, L Chen, M Kong, S Gao… - Journal of Materials …, 2023 - Elsevier
Compared with traditional laser shock peening by nanosecond pulse laser, femtosecond
laser shock peening (FLSP) exhibits superior flexibility and efficiency since it can be carried …

Effect of ultrasonic surface rolling process on the microstructure and corrosion behavior of zirconium alloy in high-temperature water condition

Z Li, X Guo, Z Yang, Z Cai, Y Jiao - Materials Chemistry and Physics, 2024 - Elsevier
Ultrasonic surface rolling processing (USRP) was carried out at zirconium (Zr) alloy with
different rolling speeds to prepare gradient nanostructured layers, and the corrosion …

Improvement in fretting fatigue life of GH4169 dovetail joint component by bonded solid lubricant coating at 500℃

Z Wang, T Chen, J Gong, Y Zheng, F Niu, Z Wang… - Tribology …, 2024 - Elsevier
In this work, GH4169 dovetail specimens were coated on both sides with a bonded solid
lubricant coating. Fretting fatigue tests were carried out at 500° C and compared with …

Research on the mechanism of NiCrBSi-WC/Co coatings wear resistance improvement by low-energy laser shock peening

L Zhou, W Guo, H Zhu, G He, C Ning, X Zhou… - Tribology …, 2024 - Elsevier
The improvement of the wear resistance of NiCrBSi-WC/Co (Ni-WC) coatings is important for
expansion of their application areas. In this work, a method that improves the wear …

Investigations on electrochemical corrosion behavior of 7075 aluminum alloy with femtosecond laser modification

S Meng, Y Yu, X Zhang, L Zhou, X Liang, P Liu - Vacuum, 2024 - Elsevier
The effects of the surface integrity of 7075 aluminum alloy by femtosecond laser modification
(FLM) were investigated, and subsequently the electrochemical corrosion behavior of the …

Influence of laser shock peening on surface characteristics and corrosion behavior of zirconium alloy

ZY Li, XW Guo, SJ Yu, CM Ning, YJ Jiao… - Materials Characterization, 2023 - Elsevier
Low energy laser shock peening (LE-LSP) with different energies was carried out at
zirconium (Zr) alloy. Characterization and electrochemical corrosion behavior of Zr alloy …

[HTML][HTML] Improving tension fatigue performance of gray cast iron by LSPwC-induced gradient structure and carbon diffusion

S Meng, Y Yu, L Wang, L Zhou, Z Yu, X Pan… - Journal of Materials …, 2024 - Elsevier
HT250 Gray cast iron (GCI) commonly utilized in diesel engine cylinders, is susceptible to
fatigue failure under alternating stress conditions. To address this issue, the investigation …

Compressive creep behavior of selective electron beam melted high Nb containing TiAl alloy

Z Liang, S Xiao, Y Cai, H Yue, Y Zheng, L Xu, X Xue… - Vacuum, 2024 - Elsevier
In this study, the compressive creep behavior of Ti–45Al–8Nb alloy fabricated by selective
electron beam melting technology at 800° C and 850° C was investigated. This alloy is …

Effect of laser shock peening without coating on fretting wear behavior of GH4169 superalloy at high-temperature

Y Yu, T Ma, J Gong, T Chen, L Zhou, Z Cai - Wear, 2024 - Elsevier
Improving the high-temperature wear resistance of aero-engine components is critical. Laser
shock peening without coating (LSPwC) seems to have more potential because of lower …