Zhuguo Li
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View article: Bionic femtosecond laser manufacturing for impressionistic camouflage infrared display
Bionic femtosecond laser manufacturing for impressionistic camouflage infrared display Open
White Cyphochilus insulanus beetles, exhibiting both environmental camouflage display and radiative cooling functions, serve as a good prototype for biomimetic fabrication. As inspired, this work presents a femtosecond (fs) laser-based bio…
View article: Effects of Pretreatment Processes on Grain Size and Wear Resistance of Laser-Induction Hybrid Phase Transformation Hardened Layer of 42CrMo Steel
Effects of Pretreatment Processes on Grain Size and Wear Resistance of Laser-Induction Hybrid Phase Transformation Hardened Layer of 42CrMo Steel Open
To address the issue of surface grain coarsening in laser-induction hybrid phase transformation of 42CrMo steel, this study investigated the effects of four pretreatment processes (quenching–tempering (QT), laser-induction quenching (LIQ),…
View article: Femtosecond laser subtractive/additive-integrated biomimetic manufacturing for visible/infrared encryption and stimuli-responsive infrared decryption
Femtosecond laser subtractive/additive-integrated biomimetic manufacturing for visible/infrared encryption and stimuli-responsive infrared decryption Open
Black wings of butterfly Ornithoptera goliath and infrared-band radiative cooling function of Rapala dioetas butterfly wings are associated with black pigment (e.g., melanin) and unique hierarchical micro/nanostructures, greatly stimulatin…
View article: A Novel Approach for Geopolymer Setting Control: Heat Pre-treatment of Ground Granulated Blast Furnace Slag
A Novel Approach for Geopolymer Setting Control: Heat Pre-treatment of Ground Granulated Blast Furnace Slag Open
This study aimed to develop a technology for delaying the setting of geopolymer (GP) or alkali-activated material (AAM) that utilizes ground granulated blast-furnace slag (BFS) as a precursor. The approach involved pre-treating the BFS thr…
View article: High-speed laser-directed energy deposition of crack-free wear-resistant and anti-corrosive Al/Cu bimetal components
High-speed laser-directed energy deposition of crack-free wear-resistant and anti-corrosive Al/Cu bimetal components Open
Al/Cu bimetal components (BMCs) possess higher thermal conductivity, better wear resistance and corrosion resistance than Al and Al alloys. It is a big challenging task to fabricate a high-performance Al/Cu BMC by a conventional infrared (…
View article: Femtosecond laser ultrafast photothermal exsolution
Femtosecond laser ultrafast photothermal exsolution Open
Exsolution, as an effective approach to constructing particle-decorated interfaces, is still challenging to yield interfacial films rather than isolated particles. Inspired by in vivo near-infrared laser photothermal therapy, using 3 mol% …
View article: Interfacial microstructure and strengthening mechanism of dissimilar laser al/steel joint via a porous high entropy alloy coating
Interfacial microstructure and strengthening mechanism of dissimilar laser al/steel joint via a porous high entropy alloy coating Open
Publisher Copyright: © 2023 The Authors This work was supported by the National Natural Science Foundation of China (No. 52275155) and Class III Peak Discipline of Shanghai-Materials Science and Engineering. JPO acknowledges funding by nat…
View article: Thin Molten Pool Behaviors in Blue Laser Microjoining
Thin Molten Pool Behaviors in Blue Laser Microjoining Open
Thin copper materials are difficult to weld using infrared lasers (IR) due to their low energy absorption. A blue laser with a wavelength of 450 nm strongly increases energy absorption and successfully realized the microjoining of a copper…
View article: Recognitions of colored fabrics/laser-patterned metals based on photothermoelectric effects
Recognitions of colored fabrics/laser-patterned metals based on photothermoelectric effects Open
Color is the mapping of electromagnetic waves of different wavelengths in human vision. The electronic color recognition system currently in use is mainly based on the photoelectric effect. Here, we demonstrate a color materials’ recogniti…
View article: Numerical simulation of two-track laser hardening process of 42CrMo steel
Numerical simulation of two-track laser hardening process of 42CrMo steel Open
In this study, a thermal–phase–mechanical coupled numerical model was presented for the prediction of the distribution of temperature, phase and residual stress of 42CrMo steel during two-track laser hardening process. Austenite and temper…
View article: Precipitation and crystallographic relationships of nanosized η/η' precipitates at S-Al interface in Al-Zn-Mg-Cu alloy
Precipitation and crystallographic relationships of nanosized η/η' precipitates at S-Al interface in Al-Zn-Mg-Cu alloy Open
The data contained herein are: (1) SPED date created by NanoMEGAS ASTAR system. These are given as .blo and .res files. They are used to analyze the nanoscale phase map and crystal orientation at S-Al interface. (2) HRTEM images. These inm…
View article: Liquid vortexes and flows induced by femtosecond laser ablation in liquid governing formation of circular and crisscross LIPSS
Liquid vortexes and flows induced by femtosecond laser ablation in liquid governing formation of circular and crisscross LIPSS Open
Orientations of laser induced periodic surface structures (LIPSS) are usually considered to be governed by the laser polarization state. In this work, we unveil that fluid dynamics induced by femtosecond (fs) laser ablation in liquid (fs-L…