Effect of Laser Parameters on Surface Morphology and Material Removal Mechanism of Ablation Grooves in CFRP Composites Using Finite Element Simulations Article Swipe
Juan Song
,
Bangfu Wang
,
Qingyang Jiang
,
Xiaohong Hao
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/ma18040790
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/ma18040790
Carbon fiber resin matrix composites (CFRP) are widely recognized for their exceptional properties such as high temperature resistance and high strength, making them indispensable in aerospace, automotive, and medical applications. Despite their growing use, precision machining of CFRP remains challenging. Traditional mechanical machining methods often lead to severe tool wear, matrix damage, fiber pullout, delamination, and chipping. In contrast, nanosecond pulsed laser machining has garnered significant attention due to its high precision, minimal heat-affected zone (HAZ), and versatility in processing various materials. In this study, a finite element model was developed to account for the anisotropic heat transfer and non-homogeneous properties of CFRP, enabling accurate simulation of laser machining processes. The study analyzed the influence of laser parameters on machining quality and revealed the ablation mechanism and HAZ evolution under varying laser conditions. Notably, it was observed that the thermal conductivity along the carbon fiber’s axial direction is higher than in the radial direction, resulting in an elliptical ablation pattern after laser irradiation. Additionally, the effects of the laser power, pulse frequency, and scanning speed on the depth and width of grooves were investigated through finite element simulations and validation experiments. A heat accumulation effect between laser pulses was observed, where resin matrix material around the grooves was removed once the accumulated heat exceeded the resin’s pyrolysis temperature. In addition, if there is too much laser power or too small a laser scanning speed, the fiber will undergo severe ablation removal, which will form serious thermal damage and a heat-affected zone. Gradually increasing the laser power or decreasing the scanning speed led to deeper and wider grooves, with an inverted triangular morphology. Moreover, the selection of different parameters had a significant effect on the ablation morphology, heat-affected zone, and the contour parameters of the grooves. This research contributes to understanding the laser–CFRP interaction mechanism and offers insights for optimizing laser processing parameters to improve material processing accuracy and efficiency, further expanding the potential applications of laser technology in composite material machining.
Related Topics
Concepts
Materials science
Machining
Composite material
Laser power scaling
Laser
Delamination (geology)
Laser drilling
Ablation
Finite element method
Laser beam machining
Thermal conductivity
Fiber laser
Laser ablation
Thermal
Fiber
Optics
Drilling
Structural engineering
Aerospace engineering
Biology
Engineering
Paleontology
Tectonics
Subduction
Meteorology
Physics
Laser beams
Metallurgy
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/ma18040790
- OA Status
- gold
- References
- 47
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4407393189
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4407393189Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/ma18040790Digital Object Identifier
- Title
-
Effect of Laser Parameters on Surface Morphology and Material Removal Mechanism of Ablation Grooves in CFRP Composites Using Finite Element SimulationsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-02-11Full publication date if available
- Authors
-
Juan Song, Bangfu Wang, Qingyang Jiang, Xiaohong HaoList of authors in order
- Landing page
-
https://doi.org/10.3390/ma18040790Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://doi.org/10.3390/ma18040790Direct OA link when available
- Concepts
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Materials science, Machining, Composite material, Laser power scaling, Laser, Delamination (geology), Laser drilling, Ablation, Finite element method, Laser beam machining, Thermal conductivity, Fiber laser, Laser ablation, Thermal, Fiber, Optics, Drilling, Structural engineering, Aerospace engineering, Biology, Engineering, Paleontology, Tectonics, Subduction, Meteorology, Physics, Laser beams, MetallurgyTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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47Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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