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Numerical and experimental study of melt instabilities during spot laser welding of aluminum

B.F. Chetan¹, M. Courtois², S. Cadiou², M. Carin², V. Nain¹, F. Machi¹
¹IREPA LASER, Parc d’Innovation, 67400 Illkirch, France
²Univ. Bretagne Sud, UMR CNRS 6027, IRDL, F-56100 Lorient, France

Materials such as aluminium with high thermal and electrical conductivities are of industrial interest, ... 扩展阅读

Multiphysics Analysis of Laser Cladding Melt Pool

H. Singh[1], C. Gullipalli[2], R. Ahirrao[2], R. Songara[2], T. Gupta[2], Y. Puri[2]
[1]Visvesvaraya National Institute of Technology,, India
[2]Visvesvaraya National Institute of Technology, Nagpur, India

Additive manufacturing is attracting more and more interest. Laser Cladding is one of these additive ... 扩展阅读

Spectral analysis of thermal emission from melt pool during laser material processing

M. Ćwikła¹, P. Koruba¹, A. Zakrzewski¹, P. Jurewicz¹, J. Reiner¹
¹Wroclaw University of Science and Technology, Wrocław, Poland

Laser technologies such as welding, cutting and metal deposition are widely used in the industry. High ... 扩展阅读

The Effects of Electric Field on Jet behavior and Fiber Properties in Melt Electrospinning

穆晓绮 [1], 李雪芹 [1], 郑元生 [1], ,
[1] 上海工程技术大学服装学院

Abstract: The electric field and temperature are the two important factors that influence the fiber diameters ... 扩展阅读

Numerical Simulation of Melt Hydrodynamics in Laser Micro Processing using COMSOL Multiphysics®

S. Sharma[1], J. Ramkumar[1], S. Ramakrishna[1]
[1]IIT Kanpur, India

Laser material processing at micro-meter domain can be used for a plethora of applications such as micro ... 扩展阅读

Thermomechanical model of Laser Powder Bed Fusion: Impact of Process Parameters on residual stress

Helia Mohammadkamal¹, Fabrizia Caiazzo¹
¹university of Salerno, Fisciano, Italy

Laser powder bed fusion (LPBF) is one of the most beneficial manufacturing methods for its precision and ... 扩展阅读

A Pragmatic Multiphysics Numerical Model for Melt Hydrodynamics in Selective Laser Melting

Shashank Sharma [1], J. Ramkumar [1],
[1] Indian Institutes of Technology Kanpur, Kanpur, Uttar Pradesh, India

This study explores the significance of the recoil pressure, Marangoni convection and surface tension effects ... 扩展阅读

Melt Homogenization Improvement By Optimizing the Rotation Profile

J. Petit [1], V. Tabouret [1], B. Viana [2],
[1] ONERA, Chatillon, France
[2] IRCP/CNRS, Paris, France

During the last decades, mid-IR (3-12µm) laser sources have attracted attention due to their potential ... 扩展阅读

Simulation of the Cooling and Phase Change of a Melt-Cast Explosive

W. Sanhye [1], C. Dubois [1], P. Pelletier [2], I. Laroche [2],
[1] Department of Chemical Engineering, École Polytechnique de Montréal, Montréal, QC, Canada
[2] General Dynamics Ordnance and Tactical Systems-Canada Inc., Repentigny, QC, Canada

Introduction Numerical modeling of melt-casting is becoming a popular tool for the energetic materials and ... 扩展阅读

Numerical Analysis of the Effect of Surface Active Elements on Marangoni Flow in a Melt Pool

K. Yadav [1], A. Mishra [1],
[1] IIT Kanpur, Kanpur, Uttar Pradesh, India

Marangoni flow affects the heat and mass transfer occurring in the molten metal regions in welding and ... 扩展阅读

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