1. Study on Anisotropic Behaviors in Cutting of Aviation High-Strength CFRP Materials with Unidirectional Laminate Structure.
- Author
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Cai Xiaojiang, Qiu Kunxian, Wang Chengdong, Ming Weiwei, An Qinglong, and Chen Ming
- Subjects
- *
CARBON fiber-reinforced plastics , *ANISOTROPY , *CUTTING force , *SCANNING electron microscopy , *FIBER orientation - Abstract
High-strength carbon fiber reinforced polymer (CFRP) with unidirectional laminate structure has gradually developed into major materials in load-bearing aerospace components, and relevant demand in cutting and machining is increasing. Owing to significant anisotropy, CFRP materials with unidirectional laminate structure incline to produce defects and are typical difficult-to-machine materials. By orthogonal cutting experiments, cutting force, specific energy, cutting temperature and machined surface are obtained when cutting T700 high-strength CFRP unidirectional laminates under different fiber orientations. Based on experimental results, mechanical and thermal anisotropy of CFRP uniform laminates are discussed, specific energy maps under different cutting parameters are achieved, heat sources are studied, and the conduction model is established. By scanning electron microscope (SEM) topography of typical surfaces, surface formation mechanism under different fiber orientations is given. [ABSTRACT FROM AUTHOR]
- Published
- 2014