An investigation on cutting of the MWCNTs doped composite plates by CO2 laser beam
| Autor: | Ferhat Ceritbinmez, Ahmet Yapici |
|---|---|
| Přispěvatelé: | Mühendislik ve Doğa Bilimleri Fakültesi -- Makina Mühendisliği Bölümü, Yapıcı, Ahmet |
| Rok vydání: | 2021 |
| Předmět: |
Multiwalled carbon nanotubes (MWCN)
Machinability Kerf Materials science Carbon Fiber Reinforced Plastics Composites material Composite number Aerospace Engineering Carbon dioxide lasers Engineering Machinery Composite plates Laser cut CO 2 laser Laser beam cutting MWCNTs Composite material Multiwall carbon nanotube Laser cuts Co2 laser Laser power Three-level Delamination Doping American society for testing and materials Quality Damage Carbon dioxide Cutting speed Laser Beam Machining Laser Cutting Beam (structure) Laminated composites Laser beams |
| Zdroj: | Aircraft Engineering and Aerospace Technology. 94:279-288 |
| ISSN: | 1748-8842 |
| Popis: | Purpose The purpose of this study is to obtain strong materials with multiwall carbon nanotubes (MWCNTs) doped and investigate laser cut of MWCNTs also find the effect of the laser cutting parameters on composite materials. Design/methodology/approach The laminated composite plates were manufactured by using a vacuum infusion process. The mechanical properties of the composite materials produced were determined according to American Society for Testing and Materials (ASTM) D3039M, ASTM D3171, ASTM D 792 and ASTM D2583. A 130 Watts carbondioxide (CO2) laser cutting machine was used for drilling the two different composite plates with a thickness of 1.6–1.5 mm. Three variables were considered as process parameters including laser power (in three levels of 84.50, 104.00 and 127.40 W), cutting speed (in three levels of 4, 6, 8 mm/s) and 14 mm fixed focal position. Findings The fibers could not be cut due to insufficient melting in the experiments performed using 84.50 and 104.00 W laser power but the cutting was successfully completed when the laser power was 127.40 W. However, as the cutting speed increased, the contact time of the laser beam with the material decreased, so the kerf decreased, but the increased laser power created a thermal effect, causing an increase in hardness around the cutting surface. This increase was lower in MWCNTs doped composites compared to pure composites. It has been found that the addition of nanoparticles to layered glass fiber composite materials played an effective role in the strength of the material and affected the CO2 laser cutting quality. Originality/value This study is a unique study in which the CO2 laser cutting method of MWCNT-doped composite materials was investigated and the machinability without cutting errors, such as delamination, splitting, distortion and burring using the most suitable laser cutting parameters was revealed. |
| Databáze: | OpenAIRE |
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