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the weld poolcreatedfrom pulsed laser welding
The name of processcausingporosity in welding
plate or surface contamination or inadequate pre - clean(passive) can be caused byPorosity in laser welds
For example , feed rates V of less than 1.5 m / min have been shownto resultin laser welding
which helpspreventporosity in welding
to usecausesporosity in welding
LPKF Laser & Electronics 2011It ... precisely this advantageledto thebreakthrough of laser welding
at least four waysto preventporosity in welding
with laser beam ... and the liquid steel solidifies behind the traversing beam , leaving a very narrow weld , approximately 1 mm wideis createdwith laser beam ... and the liquid steel solidifies behind the traversing beam , leaving a very narrow weld , approximately 1 mm wide
extremely low dilutioncreatesextremely low dilution
A very clean weld seam(passive) is createdA very clean weld seam
a sealcreatesa seal
forth in claim 5setforth in claim 5
in a metallurgical bonding with the base alloyresultsin a metallurgical bonding with the base alloy
a larger and more stable keyhole allowing material vapor to escape more easilycreatesa larger and more stable keyhole allowing material vapor to escape more easily
a metallurgical bond between the base material and the additional layercreatesa metallurgical bond between the base material and the additional layer
in a continuous metallic barrierresultsin a continuous metallic barrier
forth in claim 1setforth in claim 1
technology，effectivelypreventtechnology，effectively
forth in claim 8setforth in claim 8
forth in claim 2setforth in claim 2
forth in claim 12setforth in claim 12
forth in claim 10setforth in claim 10