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IJSTR >> Volume 9 - Issue 3, March 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



“Optimization Of Various Process Parameters For Co2 Laser Machining Of Carbon Fiber Reinforced Polymer (CFRP)”

[Full Text]

 

AUTHOR(S)

Alok Sharma, Amit Tiwari, HimanshuVasnani

 

KEYWORDS

CO2 laser Machining, Response Surface Methodology, CFRP, Heat Affected Zone, Striation, MRR etc.

 

ABSTRACT

Nowdays, composite materials such as CFRP, GFRP are used in place of conventional materials in many industries like automotive and aerospace due to their improved properties. Carbon fibre reinforced polymer (CFRP) is manufactured by fusing carbon fibre and epoxy resin. Due to development of these types of materials, advance material processing techniques are developed. There are many machining processes which are used for mass production and less time consumption.CO2 laser cutting is a non-contact advance material processing technique used to cut different materials with mass production rate. However CO2 laser cutting of CFRP cutting is challenging due to different-different properties of carbon fibre and epoxy resin. CO2 laser cutting of 1mm CFRP sheet using a low power CO2laser (150w) and cutting speed (1mm/sec) was investigated in this research. Although, this low power CO2 laser has cut CFRP sheet of 1mm thickness but cut quality is not so good due to low laser power. MRR is also very low. Heat affected zone generated is low due to low laser power. Striation formation occurs, due to this, cutting edge is not up to quality cut. So, it has been shown in this research that CO2 laser can be used to cut CFRP by using low laser power. The work performed in this research will be useful in aerospace and automotive industry needs.

 

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