Cutting of aramide fiber-reinforced plastics by Co2 laser |
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| Authors: | Yu V Nasedkin V F Tsarev I V Zelenina |
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| Institution: | (1) Obninsk Research and Production Enterprise TECHNOLOGIYA, State Research Center of Russia, Obninsk, Russia;(2) All-Russia Institute of Aviation Materials, Moscow, Russia |
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| Abstract: | Comparative characteristics of aramide fiber reinforced plastics (AFRP) made by laser cutting or machining are presented. It is found that the strength of the specimens cut out by laser is 4–25% higher, while the moisture absorption is at least 2 times lower as compared to those cut out by machining. The deviation of the cutting edge size for AFRP 2 mm thick does not exceed 0.4 mm. Calculated and experimental data are given. The possibilities and conditions of cutting the AFRP up to 6 mm thick are determined.Translated from Mekhanika Kompozitnykh Materialov, Vol. 35, No. 3, pp. 375–384, May–June, 1999. |
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| Keywords: | aramide plastics laser cutting edge strength moisture absorption fiber binder |
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