Matches in SemOpenAlex for { <https://semopenalex.org/work/W2895958263> ?p ?o ?g. }
Showing items 1 to 86 of
86
with 100 items per page.
- W2895958263 abstract "The details of the melt flow dynamics in deep-penetration welding as well as in laser cutting are still not completely understood. In addition, control of the melt flow might help to suppress or eliminate defects such as spattering, humping or dross formation.The present paper describes the use of a short-pulse laser to influence the behavior of the melt flow. First results show that the melt pool dynamics can be influenced very significantly with less than 1% of additional average power of pulsed laser radiation.A 4’000 W lamp-pumped cw solid-state laser focused to a spot diameter of 450 µ m was used as heating source to generate a keyhole and the melt pool. A diode-pumped Q-switched (QS-) laser delivering 20 ns, 4 mJ pulses at 4 kHz was used to influence the melt pool. The two lasers were overlapped in the interaction region by angular multiplexing. The position of the QS-laser could be adjusted arbitrarily with respect to the cw-laser. The experiments were made on sheets of stainless steel and aluminum and analyzed by means of a high-speed camera.Completely different effects were observed depending on the position of the QS-laser with respect to the keyhole proving that the melt pool dynamics can significantly be influenced with the additional short laser pulses. These preliminary results allow for estimations on the physical quantities such as short pulse absorption, energy transfer and melt flow speed.The details of the melt flow dynamics in deep-penetration welding as well as in laser cutting are still not completely understood. In addition, control of the melt flow might help to suppress or eliminate defects such as spattering, humping or dross formation.The present paper describes the use of a short-pulse laser to influence the behavior of the melt flow. First results show that the melt pool dynamics can be influenced very significantly with less than 1% of additional average power of pulsed laser radiation.A 4’000 W lamp-pumped cw solid-state laser focused to a spot diameter of 450 µ m was used as heating source to generate a keyhole and the melt pool. A diode-pumped Q-switched (QS-) laser delivering 20 ns, 4 mJ pulses at 4 kHz was used to influence the melt pool. The two lasers were overlapped in the interaction region by angular multiplexing. The position of the QS-laser could be adjusted arbitrarily with respect to the cw-laser. The experiments were made on sheets of stainless steel and aluminum..." @default.
- W2895958263 created "2018-10-26" @default.
- W2895958263 creator A5012609943 @default.
- W2895958263 creator A5017623525 @default.
- W2895958263 creator A5049883274 @default.
- W2895958263 date "2010-01-01" @default.
- W2895958263 modified "2023-09-27" @default.
- W2895958263 title "Influencing the melt pool dynamics with short pulses" @default.
- W2895958263 doi "https://doi.org/10.2351/1.5062022" @default.
- W2895958263 hasPublicationYear "2010" @default.
- W2895958263 type Work @default.
- W2895958263 sameAs 2895958263 @default.
- W2895958263 citedByCount "0" @default.
- W2895958263 crossrefType "proceedings-article" @default.
- W2895958263 hasAuthorship W2895958263A5012609943 @default.
- W2895958263 hasAuthorship W2895958263A5017623525 @default.
- W2895958263 hasAuthorship W2895958263A5049883274 @default.
- W2895958263 hasConcept C120665830 @default.
- W2895958263 hasConcept C121332964 @default.
- W2895958263 hasConcept C127413603 @default.
- W2895958263 hasConcept C135427090 @default.
- W2895958263 hasConcept C15920480 @default.
- W2895958263 hasConcept C159985019 @default.
- W2895958263 hasConcept C164369957 @default.
- W2895958263 hasConcept C191897082 @default.
- W2895958263 hasConcept C192562407 @default.
- W2895958263 hasConcept C19474535 @default.
- W2895958263 hasConcept C200649887 @default.
- W2895958263 hasConcept C20480867 @default.
- W2895958263 hasConcept C2776139624 @default.
- W2895958263 hasConcept C2776143536 @default.
- W2895958263 hasConcept C3450827 @default.
- W2895958263 hasConcept C42475967 @default.
- W2895958263 hasConcept C520434653 @default.
- W2895958263 hasConcept C521977710 @default.
- W2895958263 hasConcept C57879066 @default.
- W2895958263 hasConcept C80107235 @default.
- W2895958263 hasConcept C89344249 @default.
- W2895958263 hasConceptScore W2895958263C120665830 @default.
- W2895958263 hasConceptScore W2895958263C121332964 @default.
- W2895958263 hasConceptScore W2895958263C127413603 @default.
- W2895958263 hasConceptScore W2895958263C135427090 @default.
- W2895958263 hasConceptScore W2895958263C15920480 @default.
- W2895958263 hasConceptScore W2895958263C159985019 @default.
- W2895958263 hasConceptScore W2895958263C164369957 @default.
- W2895958263 hasConceptScore W2895958263C191897082 @default.
- W2895958263 hasConceptScore W2895958263C192562407 @default.
- W2895958263 hasConceptScore W2895958263C19474535 @default.
- W2895958263 hasConceptScore W2895958263C200649887 @default.
- W2895958263 hasConceptScore W2895958263C20480867 @default.
- W2895958263 hasConceptScore W2895958263C2776139624 @default.
- W2895958263 hasConceptScore W2895958263C2776143536 @default.
- W2895958263 hasConceptScore W2895958263C3450827 @default.
- W2895958263 hasConceptScore W2895958263C42475967 @default.
- W2895958263 hasConceptScore W2895958263C520434653 @default.
- W2895958263 hasConceptScore W2895958263C521977710 @default.
- W2895958263 hasConceptScore W2895958263C57879066 @default.
- W2895958263 hasConceptScore W2895958263C80107235 @default.
- W2895958263 hasConceptScore W2895958263C89344249 @default.
- W2895958263 hasLocation W28959582631 @default.
- W2895958263 hasOpenAccess W2895958263 @default.
- W2895958263 hasPrimaryLocation W28959582631 @default.
- W2895958263 hasRelatedWork W1964485950 @default.
- W2895958263 hasRelatedWork W1974020371 @default.
- W2895958263 hasRelatedWork W2030703848 @default.
- W2895958263 hasRelatedWork W2042226441 @default.
- W2895958263 hasRelatedWork W2042795330 @default.
- W2895958263 hasRelatedWork W2054366377 @default.
- W2895958263 hasRelatedWork W2079197072 @default.
- W2895958263 hasRelatedWork W2519035451 @default.
- W2895958263 hasRelatedWork W2609321816 @default.
- W2895958263 hasRelatedWork W2896232442 @default.
- W2895958263 hasRelatedWork W2897035089 @default.
- W2895958263 hasRelatedWork W2898056570 @default.
- W2895958263 hasRelatedWork W2921494735 @default.
- W2895958263 hasRelatedWork W2944633330 @default.
- W2895958263 hasRelatedWork W2947353124 @default.
- W2895958263 hasRelatedWork W2954992272 @default.
- W2895958263 hasRelatedWork W2972471787 @default.
- W2895958263 hasRelatedWork W2977606409 @default.
- W2895958263 hasRelatedWork W2991317594 @default.
- W2895958263 hasRelatedWork W2557297228 @default.
- W2895958263 isParatext "false" @default.
- W2895958263 isRetracted "false" @default.
- W2895958263 magId "2895958263" @default.
- W2895958263 workType "article" @default.