Results 11 to 20 of about 277 (107)

Laser pressure welding of Al-Li alloy 2198: effect of welding parameters on fusion zone characteristics associated with mechanical properties

open access: yesHigh Temperature Materials and Processes, 2020
Al-Li alloy 2198 exhibits good combination of toughness and strength but its application is strongly limited by the poor weldability due to the formation of porosities during fusion-welding.
Zhao Tianbo   +4 more
doaj   +1 more source

Fabrication of fused silica microstructure based on the femtosecond laser

open access: yesAIP Advances, 2021
Ultrafast pulsed lasers can facilitate the manufacturing of complex microstructures. However, previous laser processing applications have focused on static components.
Dunxiang Jian   +5 more
doaj   +1 more source

Fabrication of Metallic Superhydrophobic Surfaces with Tunable Condensate Self-Removal Capability and Excellent Anti-Frosting Performance

open access: yesNanomaterials, 2022
Laser fabrication of metallic superhydrophobic surfaces (SHSs) for anti-frosting has recently attracted considerable attention. Effective anti-frosting SHSs require the efficient removal of condensed microdroplets through self-propelled droplet jumping ...
Jian-Guo He   +11 more
doaj   +1 more source

Ultrafast control of conductivity with femtosecond lasers - INVITED [PDF]

open access: yesEPJ Web of Conferences, 2023
Femtosecond laser pulse irradiation enables precise control of conductivity in materials, revolutioniz-ing fields like nanoelectronics and materials science. It offers rapid modulation within femtosecond timescales, facilitating advancements in ultrafast
Boschetto Davide
doaj   +1 more source

Research Status of Ultrafast Laser Surface Processing of Silicon Carbide/Aluminum Composites [PDF]

open access: yesCailiao Baohu
Silicon carbide / aluminum (SiC/Al) composites possess excellent properties such as high strength and low density, which enables their extensive application in fields such as aviation and aerospace.However,due to the high hardness and melting point of ...
WANG Xing, LI Cheng, FENG Jiecai, PENG Xiaohai
doaj   +1 more source

Optical-acoustic excitation of broadband terahertz antiferromagnetic spin waves

open access: yesNew Journal of Physics, 2022
We propose an optical-acoustic means to excite broadband terahertz antiferromagnetic (AFM) spin wave in a metal/insulator/antiferromagnet heterostructure.
Jinglin Zhang   +13 more
doaj   +1 more source

The challenges of productive materials processing with ultrafast lasers [PDF]

open access: yesAdvanced Optical Technologies, 2021
Abstract Materials processing with ultrafast lasers with pulse durations in the range between about 100 fs and 10 ps enable very promising and emerging high-tech applications. Moreover, the average power of such lasers is steadily increasing; multi kilowatt systems have been demonstrated in laboratories and will be ready for the market ...
Rudolf Weber, Thomas Graf
openaire   +1 more source

Localized in-situ deposition: a new dimension to control in fabricating surface micro/nano structures via ultrafast laser ablation

open access: yesFrontiers of Optoelectronics, 2023
Controllable fabrication of surface micro/nano structures is the key to realizing surface functionalization for various applications. As a versatile approach, ultrafast laser ablation has been widely studied for surface micro/nano structuring. Increasing
Peixun Fan   +5 more
doaj   +1 more source

Prediction of Thermal Damage upon Ultrafast Laser Ablation of Metals

open access: yesMolecules, 2021
Ultrafast lasers micromachining results depend on both the processing parameters and the material properties. The obtained thermal effects are negligible if a good combination of processing parameters is chosen.
Liliana Cangueiro   +2 more
doaj   +1 more source

A Study on the Machinability of Tungsten Carbide Using Ultrafast Laser [PDF]

open access: yes한국정밀공학회지, 2020
The tungsten carbide is a material with high hardness, wear resistance, good chemical stability, and dimensional stability. Because of these characteristics, it is mainly used as a tool for cutting and molding such as molds, and casts required for ...
Young Gwan Shin   +3 more
doaj   +1 more source

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