Results 1 to 10 of about 287,305 (267)

Microstructural evolution and nano-mechanical properties of Ti-Al-based alloys synthesized by laser in-situ alloying [PDF]

MATEC Web of Conferences, 2022
Developing titanium aluminides (Ti-Al) based alloys by means of Laser Engineered Net Shaping (LENS) in-situ manufacturing yields attractive properties as compared to other fabrication methods.
Kanyane L.R., Popoola A.P.I., Pityana S., Tlotleng M.   +3 more
doaj   +1 more source

Modification of Frictional Properties of Hydrogel Surface via Laser Ablated Topographical Micro-Textures

Nanomaterials, 2022
Hydrogels and biological cartilage tissues are highly similar in structure and composition due to their unique characteristics such as high-water content and low friction coefficients.
Zhuangzhuang Zhou, Yihang Chu, Zhishan Hou, Xiaopeng Zhou, Yu Cao   +4 more
doaj   +1 more source

Development of laser welding of high strength aluminium alloy 2024-T4 with controlled thermal cycle [PDF]

MATEC Web of Conferences, 2020
An innovative process design, to avoid thermal degradation during autogenous fusion welding of high strength AA 2024-T4 alloy, based on laser beam welding, is being developed. A series of instrumented laser welds in 2 mm thick AA 2024-T4 alloys were made
Demirorer Mete, Suder Wojciech, Ganguly Supriyo, Hogg Simon, Naeem Hassam   +4 more
doaj   +1 more source

Effects of Cover Sheets on the Nugget Growth and Fracture Behavior of Resistance Spot Welded Q&P980 Steel Joints

Chinese Journal of Mechanical Engineering, 2022
The resistance spot weldability of galvanized ultra-high-strength steels is not satisfied, the joints are prone to interfacial fracture and the weldable current range is narrow.
Zhanxiang Ling, Ting Chen, Liang Kong, Min Wang   +3 more
doaj   +1 more source

Active analog tuning of the phase of light in the visible regime by bismuth-based metamaterials

Nanophotonics, 2020
The active and analog tuning of the phase of light by metamaterials is needed to boost the switching performance of photonic devices. However, demonstrations of this type of tuning in the pivotal visible spectral region are still scarce.
Garcia-Pardo Marina, Nieto-Pinero Eva, Petford-Long Amanda K., Serna Rosalia, Toudert Johann   +4 more
doaj   +1 more source

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

Frontiers 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, Guochen Jiang, Xinyu Hu, Lizhong Wang, Hongjun Zhang, Minlin Zhong   +5 more
doaj   +1 more source

Formation of two-dimensional laser-induced periodic surface structures on titanium by GHz burst mode femtosecond laser pulses

Frontiers in Nanotechnology, 2023
GHz burst mode femtosecond (fs) laser pulses, which consist of a series of pulse trains with ultra-fast intervals of several hundred picoseconds, have offered distinct features for material processing compared to conventional irradiation of laser pulses (
Shota Kawabata, Shota Kawabata, Shi Bai, Kotaro Obata, Kazunari Ozasa, Godai Miyaji, Koji Sugioka   +6 more
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Meta-Surface Slide for High-Contrast Dark-Field Imaging

Photonics, 2023
A label-free microscopy technology, dark-field microscopy, is widely used for providing high-contrast imaging for weakly scattering materials and unstained samples.
Jianan Shao, Ruiyi Chen, Dehua Zhu, Yu Cao, Wenwen Liu, Wei Xue   +5 more
doaj   +1 more source

Polaritonic-to-Plasmonic Transition in Optically Resonant Bismuth Nanospheres for High-Contrast Switchable Ultraviolet Meta-Filters

IEEE Photonics Journal, 2016
In the quest to unveil alternative plasmonic elements overcoming noble metals for selected applications in photonics, we investigate, by numerical simulations, the near ultraviolet (UV)-to-near infrared optical response of solid and liquid Bi nanospheres
Alexander Cuadrado, Johann Toudert, Rosalia Serna   +2 more
doaj   +1 more source

Author Correction: Coherent scatter-controlled phase-change grating structures in silicon using femtosecond laser pulses

Scientific Reports, 2018
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Yasser Fuentes-Edfuf, Mario Garcia-Lechuga, Daniel Puerto, Camilo Florian, Adianez Garcia-Leis, Santiago Sanchez-Cortes, Javier Solis, Jan Siegel   +7 more
doaj   +1 more source