Journal
APPLIED SCIENCES-BASEL
Volume 8, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/app8112111
Keywords
laser surface texturing; mathematical model; machined depth; surface profile
Categories
Funding
- National Natural Science Foundation of China [51705258]
- Fundamental Research Funds for the Central Universities [KJQN201843]
- Natural Science Foundation of Jiangsu Province [BK20150685]
- Young Teachers Fund of Nanjing Agricultural University [rcqd16-05]
- Foundation for Distinguished Young Talents, College of Engineering, Nanjing Agricultural University [YQ201604]
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A simple mathematical model was developed to predict the machined depth and surface profile in laser surface texturing of micro-channels using a picosecond laser. Fabrication of micro-craters with pulse trains of different numbers was initially performed. Two baseline values from the created micro-craters were used to calculate the estimated simulation parameters. Thereafter, the depths and profiles with various scanning speeds or adjacent intervals were simulated using the developed model and calculated parameters. Corresponding experiments were conducted to validate the developed mathematical model. An excellent agreement was obtained for the predicted and experimental depths and surface profiles. The machined depth decreased with the increase of scanning speed or adjacent interval.
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