Analytical Model for the Depth Progress during Laser Micromachining of V-Shaped Grooves
An analytical model is presented that allows predicting the progress and the final depth obtained by laser micromachining of grooves in metals with ultrashort laser pulses. The model assumes that micromachined grooves feature a V-shaped geometry and that the fluence absorbed along the walls is distr...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-05-01
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| Series: | Micromachines |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2072-666X/13/6/870 |
| _version_ | 1797484311385997312 |
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| author | Daniel Holder Rudolf Weber Thomas Graf |
| author_facet | Daniel Holder Rudolf Weber Thomas Graf |
| author_sort | Daniel Holder |
| collection | DOAJ |
| description | An analytical model is presented that allows predicting the progress and the final depth obtained by laser micromachining of grooves in metals with ultrashort laser pulses. The model assumes that micromachined grooves feature a V-shaped geometry and that the fluence absorbed along the walls is distributed with a linear increase from the edge to the tip of the groove. The depth progress of the processed groove is recursively calculated based on the depth increments induced by successive scans of the laser beam along the groove. The experimental validation confirms the model and its assumptions for micromachining of grooves in a Ti-alloy with femtosecond pulses and different pulse energies, repetition rates, scanning speeds and number of scans. |
| first_indexed | 2024-03-09T23:01:40Z |
| format | Article |
| id | doaj.art-0b4f438869c849e1914a2acede1a39ee |
| institution | Directory Open Access Journal |
| issn | 2072-666X |
| language | English |
| last_indexed | 2024-03-09T23:01:40Z |
| publishDate | 2022-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj.art-0b4f438869c849e1914a2acede1a39ee2023-11-23T18:00:44ZengMDPI AGMicromachines2072-666X2022-05-0113687010.3390/mi13060870Analytical Model for the Depth Progress during Laser Micromachining of V-Shaped GroovesDaniel Holder0Rudolf Weber1Thomas Graf2Institut für Strahlwerkzeuge (IFSW), University of Stuttgart, Pfaffenwaldring 43, 70569 Stuttgart, GermanyInstitut für Strahlwerkzeuge (IFSW), University of Stuttgart, Pfaffenwaldring 43, 70569 Stuttgart, GermanyInstitut für Strahlwerkzeuge (IFSW), University of Stuttgart, Pfaffenwaldring 43, 70569 Stuttgart, GermanyAn analytical model is presented that allows predicting the progress and the final depth obtained by laser micromachining of grooves in metals with ultrashort laser pulses. The model assumes that micromachined grooves feature a V-shaped geometry and that the fluence absorbed along the walls is distributed with a linear increase from the edge to the tip of the groove. The depth progress of the processed groove is recursively calculated based on the depth increments induced by successive scans of the laser beam along the groove. The experimental validation confirms the model and its assumptions for micromachining of grooves in a Ti-alloy with femtosecond pulses and different pulse energies, repetition rates, scanning speeds and number of scans.https://www.mdpi.com/2072-666X/13/6/870laser micromachininggroovesultrashort laser pulsesanalytical modeldepth progress |
| spellingShingle | Daniel Holder Rudolf Weber Thomas Graf Analytical Model for the Depth Progress during Laser Micromachining of V-Shaped Grooves Micromachines laser micromachining grooves ultrashort laser pulses analytical model depth progress |
| title | Analytical Model for the Depth Progress during Laser Micromachining of V-Shaped Grooves |
| title_full | Analytical Model for the Depth Progress during Laser Micromachining of V-Shaped Grooves |
| title_fullStr | Analytical Model for the Depth Progress during Laser Micromachining of V-Shaped Grooves |
| title_full_unstemmed | Analytical Model for the Depth Progress during Laser Micromachining of V-Shaped Grooves |
| title_short | Analytical Model for the Depth Progress during Laser Micromachining of V-Shaped Grooves |
| title_sort | analytical model for the depth progress during laser micromachining of v shaped grooves |
| topic | laser micromachining grooves ultrashort laser pulses analytical model depth progress |
| url | https://www.mdpi.com/2072-666X/13/6/870 |
| work_keys_str_mv | AT danielholder analyticalmodelforthedepthprogressduringlasermicromachiningofvshapedgrooves AT rudolfweber analyticalmodelforthedepthprogressduringlasermicromachiningofvshapedgrooves AT thomasgraf analyticalmodelforthedepthprogressduringlasermicromachiningofvshapedgrooves |