C-C composite is a kind of typical difficult-to-machine materials due to its high hardness, high strength, and obvious anisotropy features. But, water-based or oil-based coolant cannot be used during its machining process. As a result, the machining defects, including burrs, orifice ripping, and interlayer delamination, are always unavoidable. In this article, taking the liquid nitrogen as coolant, C-C composite cryogenic drilling is researched experimentally. Taking the way of LN2 external spray cooling, a series of cryogenic drilling experiments were designed. Comparing with dry drilling, the thrust force was reduced, the machining defects were significantly inhibited, and a better roundness of holes was achieved in cryogenic drilling. It indicates that cryogenic condition has a positive effect on improving the C-C composite drilling quality.
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ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing
June 4–8, 2017
Los Angeles, California, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5073-2
PROCEEDINGS PAPER
Effect of Cryogenic Conditions on the Drilling Performance of Carbon-Carbon (C-C) Composites
Y.-Q. Wang,
Y.-Q. Wang
Dalian University of Technology, Dalian, China
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L.-S. Han,
L.-S. Han
Dalian University of Technology, Dalian, China
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H.-B. Liu,
H.-B. Liu
Dalian University of Technology, Dalian, China
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K. Li,
K. Li
Dalian University of Technology, Dalian, China
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Y. Ma
Y. Ma
Dalian University of Technology, Dalian, China
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Y.-Q. Wang
Dalian University of Technology, Dalian, China
L.-S. Han
Dalian University of Technology, Dalian, China
H.-B. Liu
Dalian University of Technology, Dalian, China
K. Li
Dalian University of Technology, Dalian, China
Y. Ma
Dalian University of Technology, Dalian, China
Paper No:
MSEC2017-2737, V002T03A003; 6 pages
Published Online:
July 24, 2017
Citation
Wang, Y, Han, L, Liu, H, Li, K, & Ma, Y. "Effect of Cryogenic Conditions on the Drilling Performance of Carbon-Carbon (C-C) Composites." Proceedings of the ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. Volume 2: Additive Manufacturing; Materials. Los Angeles, California, USA. June 4–8, 2017. V002T03A003. ASME. https://doi.org/10.1115/MSEC2017-2737
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