Abstract
A previously developed model for simulation of recoil-pressure induced melt displacement during laser pulse interaction has been upgraded to include the restraining effect of surface tension. The results of numerical simulations of melt displacement/ejection during laser welding and drilling using this enhanced model are presented. In particular, the dependences of the threshold pulse energies for melt displacement and melt ejection as functions of laser pulse duration, beam radius and beam intensity distribution are computed and analysed.
| Original language | English |
|---|---|
| Pages (from-to) | 590-595 |
| Number of pages | 6 |
| Journal | Journal of Physics D: Applied Physics |
| Volume | 39 |
| Issue number | 3 |
| DOIs | |
| State | Published - Feb 6 2006 |
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