Laser Welding Part 11 doc

... change in pulsed Nd:YAG laser welding 195 determined by laser induced breakdown spectroscopy (LIBS) for different welding conditions. Keywords: Pulsed laser welding, Nd:YAG Laser, Alloying element ... density (pulse duration=8ms) 5. Laser welding of Al5754 5.1. Laser welding set up The Specimens of aluminium alloy5754 were irradiated with a long pulsed Nd:YAG la...

Ngày tải lên: 21/06/2014, 02:20

... CO 2 laser welding processes. J. Laser Applications, 14 (3), pp. 146-153. Venkat, S., Albright, C.E., Ramasamy, S., Hurley (1997) CO 2 laser beam welding of aluminium 5754-O and 6111 -T4 ... laser induced plasma in welding conditions with continuous CO 2 laser. J. Appl. Phys. 74 (9), pp. 5773-5780. Ramasamy, S., Albright, C. E. (2000) CO 2 and Nd:YAG laser beam weld...

Ngày tải lên: 20/06/2014, 11:20

... Extrinsic Laser welding process: Characteristics and nite element method simulations 161 Laser welding process: Characteristics and nite element method simulations Yannick Deshayes x Laser welding ... demonstrated that Laser submount near laser welding zones is the most sensitive part of optical system (Deshayes and al., 2003).The gradual changes of stresses distrib...

Ngày tải lên: 20/06/2014, 11:20

... density (pulse duration=8ms) 5. Laser welding of Al5754 5.1. Laser welding set up The Specimens of aluminium alloy5754 were irradiated with a long pulsed Nd:YAG laser model IQL-10 with mean ... density (pulse duration=8ms) 5. Laser welding of Al5754 5.1. Laser welding set up The Specimens of aluminium alloy5754 were irradiated with a long pulsed Nd:YAG laser...

Ngày tải lên: 20/06/2014, 11:20

... accelerated particles. In order to look particularly to proton acceleration scenarios in case of long and high energy laser pulses in comparison to short and low energy laser pulses 2D particle-in-cell ... (green). 401 Interaction of Short Laser Pulses with Gases and Ionized Gases 18 Laser Pulses Fig. 13. Simulated time dependence of a laser heated xenon pinch plasma for different...

Ngày tải lên: 21/06/2014, 01:20

... axis (Harp et al, 2008). 3. Low Speed Laser Welding of Aluminium 3.1 Modeling of an Idealized Welding Process A 2-D heat conduction model for laser welding is reported in Lankalapalli, Tu, ... extending fiber laser welding of aluminium in the low speed range were discussed. General topics, such as the properties of aluminium and welding defects, review of high speed las...

Ngày tải lên: 21/06/2014, 02:20

... modelling. Laser welding application in crashworthiness parts 119 Fig. 10. Initial sequence of crushing of a top-hat tube Fig. 11. Absorbed energies for DP600, top-hat geometry, spot welding ... 300 Displacement (mm) Eabs (J) Laser Welding1 18 Fig. 10. Initial sequence of crushing of a top-hat tube Fig. 11. Absorbed energies for DP600, top-hat geometry, spot w...

Ngày tải lên: 21/06/2014, 07:20

... demonstrated that Laser submount near laser welding zones is the most sensitive part of optical system (Deshayes and al., 2003).The gradual changes of stresses distribution from the laser welding process ... during laser welding. Journal of Laser Applications, Vol. 11, 32-37. Liu, J. T.; Weckman, D. C.; & Kerr, H. W. (1993). The effects of process variables on pulse...

Ngày tải lên: 21/06/2014, 07:20

Ngày tải lên: 13/12/2013, 19:15