탄소섬유 강화 복합재료의 항공기용 PTO 샤프트 적용에 관한 연구A Study on the Application of Carbon Fiber Reinforced Plastics to PTO Shafts for Aircrafts

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This paper aims to improve the critical speed of power-take-off (PTO) shafts by using carbon fiber reinforced plastics (CFRPs). The PTO shaft was designed with titanium-CFRPs hybrid structure in order to compensate the low shear strength of CFRPs. Based on the requirements for PTO shafts, the dimensions of PTO shafts were determined through a parametric study. To evaluate the performance of the PTO shaft, a vibration test, a static torsion test, and a torsion durability test were performed. In the vibration test, the critical speed of PTO shafts was 20570 rpm, which was 7.5% higher than that of titanium shafts. Additionally, it was confirmed that the maximum allowable torque of the PTO shaft was 2300 N.m. Finally, under repeated load in the range of 11.3 to 113 N.m, the fatigue failure in the PTO shaft did not occur up to 10(6) cycles.
Publisher
KOREAN SOC COMPOSITE MATERIALS
Issue Date
2021-12
Language
Korean
Article Type
Article
Citation

COMPOSITES RESEARCH, v.34, no.6, pp.380 - 386

ISSN
2288-2103
DOI
10.7234/composres.2021.34.6.380
URI
http://hdl.handle.net/10203/292352
Appears in Collection
ME-Journal Papers(저널논문)
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