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Formation of Porosities During Spot Laser Welding of Tantalum

C. Touvrey[1], and P. Namy[2]
[1]CEA Valduc, France
[2]SIMTEC, France

The aim of the study is to predict the formation of porosities in the case of spot laser welding of tantalum. ... 扩展阅读

Early Stage Melt Ejection in Laser Percussion Drilling

T. Eppes[1]
[1]University of Hartford, Hartford, CT, USA

Laser percussion drilling is widely used in the aerospace industry to produce cooling holes in jet engine ... 扩展阅读

Laser Activated Gold Nanorods for the Photothermal Treatment of Cancer

F. Rossi[1], F. Ratto[1]
[1]CNR - Institute of Applied Physics "Nello Carrara", Sesto Fiorentino, Italy

Photothermal therapy through Gold Nanorods (GNRs) is a new approach for the minimally invasive treatment of ... 扩展阅读

Magnetic Devices For a Beam Energy Recovery THz Free Electron Laser

R. R. S. Caetano[1], G. Cernicchiaro[2], R. M. O. Galvão[3]
[1]Universidade Federal do Rio de Janeiro, Macaé, RJ, Brazil
[2]Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, RJ, Brazil
[3]Instituto de Física USP, São Paulo, SP, Brazil

This paper presents a numerical analysis of magnetic devices, dipole, quadrupole and undulator and a THz Free ... 扩展阅读

Multiphysics Process Simulation of the Electromagnetic-Supported Laser Beam Welding

M. Bachmann, V. Avilov, A. Gumenyuk, and M. Rethmeier
BAM Federal Institute for Materials Research and Testing
Berlin, Germany

The article deals with the magnetically-supported high-power full-penetration laser beam welding of aluminum. ... 扩展阅读

Optimization of Welding Parameters using 3D Heat and Fluid Flow Modeling of Keyhole Laser Welding

S. Gaied [1], M. Courtois [2], M. Carin [2], P. Le Masson [2]
[1] ArcelorMittal Global R&D, Montataire, France
[2] LUniv. Bretagne-Sud, Lorient, France

A Laser-welded blank (LWB) consists of steels of different thicknesses and/or grades welded together to ... 扩展阅读

激光波荡器电场的模拟

邓东景¹
¹深圳大学

设计了一种新型的介质激光波荡器。该设计的核心是一个周期性的介质结构，其两侧形成一个真空通道。通过引入两束特定波长的相向传播的平面激光波，在该真空通道内激励并产生一个相位同步的周期性电磁场。主要难点在于如何设计介质结构 ... 扩展阅读

Electrothermoplasmonic Flow in Gold Nanoparticle Suspensions

Emilio Ruiz-Reina¹, Carlos David Gónzalez-Gómez¹, Raúl A. Rica²
¹University of Málaga, Málaga, Spain
²University of Granada, Granada, Spain

Efficient mixing and pumping of liquids at the microscale is a technology that is still to be optimized. The ... 扩展阅读

介质激光加速器

陆胤霖，邓东景，何文龙*¹
¹深圳大学电子与信息工程学院，广东，中国

本文提出了一种新颖的介电激光加速器（DLA）结构，该结构利用三角梯度介电介质来增强逆切伦科夫效应（Inverse Cherenkov Effect, ICE），从而实现高梯度加速 ... 扩展阅读

Design of an Aerostatic Journal Bearing for Dicing Applications

Luigi Lentini¹, Alessandro Paolo Daga¹, Riccardo Ravaglione¹, Dario Anastasio¹, Luca Viale¹
¹Politecnico di Torino

Aerostatic bearings are widely employed in high-precision systems, particularly in micromachining ... 扩展阅读

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