Laser Cutting Characteristic on the Laminated Carbon Fiber Reinforced Plastics (CFRP) Composite of Aerospace Structure Panel

2012 ◽  
Vol 576 ◽  
pp. 503-506 ◽  
Author(s):  
Md. Saidin Wahab ◽  
E.A. Rahim ◽  
N.A. Rahman ◽  
M.F. Uyub
Keyword(s):  
Carbon Fiber ◽  
Pulse Energy ◽  
Repetition Rate ◽  
Pulse Repetition Rate ◽  
High Performance ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Pulse Repetition ◽  
Fiber Reinforced ◽  
Carbon Fiber Reinforced

Carbon fiber reinforced plastic (CFRP) composites as high performance material in aerospace industry. The application of laser technology to cut the CFRP shows promising advantages. Therefore, several cutting parameters such as pulse energy, pulse repetition rate, cutting speed and pulse duration need to be taken into consideration. In this study, the effect of the aforementioned parameters on heat affected zone (HAZ), kerf width and taper angle were evaluated. The results showed that pulse energy and pulse repetition rate gave a significant effect on the cutting characteristic.

The Effect of Laser Cutting Parameters on the Aerospace Structure Panel of CFRP Composite Material

2012 ◽  
Vol 225 ◽  
pp. 127-131 ◽  
Author(s):  
Wahab Saidin ◽  
Erween Abdul Rahim ◽  
Mohd Sukri Mustafa ◽  
Norzaina Abdul Rahman
Keyword(s):  
Carbon Fiber ◽  
Pulse Energy ◽  
Repetition Rate ◽  
Pulse Repetition Rate ◽  
Laser Cutting ◽  
Cutting Parameters ◽  
Kerf Width ◽  
Pulse Repetition ◽  
Taper Angle ◽  
Aerospace Structure

This paper presents a research progress on the laser cutting characteristic of the carbon fiber reinforced plastic (CFRP) composites material for the aerospace structure panel. The CFRP is a high performance material and become one of the most important materials in the aerospace industry. The current machining techniques used by the aerospace composites manufacturing for cutting and trimming process have created some quality issues such as fiber pulled out and delamination. The use of laser cutting technology has shows promising advantages. However, the Laser cutting represents the interaction between laser beam and the CFRP composites, that produce heat affected zone (HAZ), kerf width and taper angle. Thermal damage is a direct consequence of the large difference in thermal properties of the carbon fiber and the polymer matrix. Therefore, the effect of laser cutting parameters such as pulse energy, pulse repetition rate, cutting speed and pulse duration need to be taken into consideration. A 300W Pulsed Nd:YAG laser machine was used in the experiment and successfully cut or trim the 1.5mm thickness of the CFRP component. The results also showed that the pulse energy and pulse repetition rate gave the most significant effect on the cutting characteristic in particular of kerf width, HAZ and taper angle.

Hole Making Process of Carbon Fiber Reinforced Polymer (CFRP) Using End Mill Cutting Tool

2012 ◽  
Vol 576 ◽  
pp. 64-67 ◽  
Author(s):  
Erween Abdul Rahim ◽  
Z. Mohid ◽  
K.C. Mat ◽  
M.F.M. Jamil ◽  
R. Koyasu ◽  
...  
Keyword(s):  
Carbon Fiber ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Fiber Reinforced Polymer ◽  
Helical Milling ◽  
Carbon Fiber Reinforced Polymer ◽  
Depth Of Cut ◽  
Fiber Reinforced ◽  
Reinforced Polymer ◽  
Carbon Fiber Reinforced

This paper presents an alternative way of producing a hole by using a helical milling concept on a carbon fiber reinforced polymer (CFRP). Delamination is a major problem associated with making a hole by drilling on the CFRP. This study focused on helical milling technique using a vertical machining center in order to produce a hole. Various levels of cutting parameter such as cutting speed, feed rate and depth of cut have been chosen to observe the effect of trust force, delamination and surface roughness. The result will be used to determine on which cutting parameters give the best hole quality that will achieved by this new approached.

Surface Morphology in Milling Multidirectional Carbon Fiber Reinforced Polymer Laminates

2013 ◽  
Vol 683 ◽  
pp. 158-162 ◽  
Author(s):  
You Hong Gong ◽  
Ni Hong Yang ◽  
Shu Han ◽  
Yan Chen ◽  
Yu Can Fu ◽  
...  
Keyword(s):  
Carbon Fiber ◽  
Surface Morphology ◽  
Matrix Material ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Feed Speed ◽  
Fiber Reinforced ◽  
Cfrp Laminates ◽  
Reinforced Plastics ◽  
Carbon Fiber Reinforced

Carbon fiber reinforced plastics (CFRP) use in many industries applications has seen a dramatic increase over the last decade. Milling is the most practical machining operation for removing excess material. The work presented details the effect of different cutting parameters on the surface roughness and integrity of machined multidirectional CFRP laminates. The results indicate that the surface morphology mainly relates to the fiber orientation. Increasing cutting speed leads to severe softening, degradation and burning of the matrix material that binds fibers together. The feed speed has little effect on the surface morphology. And the roughness value Ra increases with the feed rate, and decreases with the cutting speed.

Study on the mechanism of inhomogeneous microdamage in short-pulse laser processing of carbon fiber reinforced plastic

2021 ◽  
pp. 073168442098359
Author(s):  
Luyao Xu ◽  
Jiuru Lu ◽  
Kangmei Li ◽  
Jun Hu
Keyword(s):  
Carbon Fiber ◽  
Pulse Energy ◽  
Short Pulse ◽  
Heterogeneous Material ◽  
Carbon Fiber Reinforced Plastic ◽  
Fiber Reinforced ◽  
Processing Efficiency ◽  
Fiber Reinforced Plastic ◽  
Reinforced Plastic ◽  
Carbon Fiber Reinforced

In this article, a micro-heterogeneous material simulation model with carbon fiber and resin phase about laser ablation on carbon fiber reinforced plastic (CFRP) is established by Ansys. The ablation process of CFRP by nanosecond ultraviolet laser is simulated, and the mechanism of pulse energy and spot spacing on the heat-affected zone (HAZ) is studied, then the process parameters are optimized with the goal of HAZ size and processing efficiency, and finally the validity of the model is verified by experiments. It is found that the residual gradient and the width of the radial HAZ increase with the increase of the spot spacing, and the width of the axial HAZ decreases slightly with the increase of the spot spacing, which indicates the existence of the optimal spot spacing. Second, the ablation depth increases with the increase of the pulse energy, and the carbon fiber retains a relatively complete degree of exposure when the pulse energy is low, which has a certain guiding significance for the cleaning and bonding of CFRP.

Experimental study on the picosecond pulsed laser cutting of carbon fiber-reinforced plastics

2018 ◽  
Vol 37 (15) ◽  
pp. 993-1003 ◽  
Author(s):  
Jun Hu ◽  
Dezhi Zhu
Keyword(s):  
Carbon Fiber ◽  
Bending Strength ◽  
Removal Rate ◽  
Cutting Speed ◽  
Pulsed Laser ◽  
Fiber Reinforced ◽  
Carbon Fiber Reinforced Plastics ◽  
Reinforced Plastics ◽  
Fiber Reinforced Plastics ◽  
Carbon Fiber Reinforced

An experimental investigation of carbon fiber-reinforced plastics cutting with an Nd:YVO4 picosecond pulsed system was presented. One-factor experimental design was used in order to explain the influence of cutting parameters including laser power, hatch distance and cutting speed on the pulsed laser–material interaction. The process parameters were optimized by using central composite design of response surface methodology. The results in kerf width, taper angle, material removal rate, and heat-affected zones were discussed through the micrographs observed with optical microscope. Specimens were cut with three different tools: picosecond pulsed laser, nanosecond pulsed laser, and conventional cutting, and the tensile strength and bending strength tests were conducted. Furthermore, the effect of the heat-affected zones on the static strength was also analyzed.

scholarly journals Chip Morphology and Delamination Characterization for Vibration-Assisted Drilling of Carbon Fiber-Reinforced Polymer

2019 ◽  
Vol 3 (1) ◽  
pp. 23 ◽  
Author(s):  
Ramy Hussein ◽  
Ahmad Sadek ◽  
Mohamed Elbestawi ◽  
M. Attia
Keyword(s):  
Carbon Fiber ◽  
Cutting Temperature ◽  
Cutting Speed ◽  
Chip Thickness ◽  
Chip Morphology ◽  
Fiber Reinforced Polymers ◽  
Fiber Reinforced ◽  
Carbon Fiber Reinforced Polymers ◽  
Geometrical Accuracy ◽  
Carbon Fiber Reinforced

Carbon fiber-reinforced polymers (CFRP) are widely used in the aerospace industry. A new generation of aircraft is being built using CFRP for up to 50% of their total weight, to achieve higher performance. Exit delamination and surface integrity are significant challenges reported during conventional drilling. Exit delamination influences the mechanical properties of machined parts and, consequently, reduces fatigue life. Vibration-assisted drilling (VAD) has much potential to overcome these challenges. This study is aimed at investigating exit delamination and geometrical accuracy during VAD at both low- and high-frequency ranges. The kinematics of VAD are used to investigate the relationship between the input parameters (cutting speed, feed, vibration frequency, and amplitude) and the uncut chip thickness. Exit delamination and geometrical accuracy are then evaluated in terms of mechanical and thermal load. The results show a 31% reduction in cutting temperature, as well as a significant enhancement in exit delamination, by using the VAD technology.

High performance aramid pulp/carbon fiber-reinforced polybenzoxazine composites as friction materials

2019 ◽  
Vol 177 ◽  
pp. 107280 ◽  
Author(s):  
Witchukorn Lertwassana ◽  
Tewarak Parnklang ◽  
Phattarin Mora ◽  
Chanchira Jubsilp ◽  
Sarawut Rimdusit
Keyword(s):  
Carbon Fiber ◽  
High Performance ◽  
Fiber Reinforced ◽  
Friction Materials ◽  
Carbon Fiber Reinforced
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