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6CCVD Research

Influence of Fiber Orientation on Single-Point Cutting Fracture Behavior of Carbon-Fiber/Epoxy Prepreg Sheets

At a Glance

Section titled ā€œAt a Glanceā€
MetadataDetails
Publication Date2015-10-02
JournalMaterials
AuthorsYingying Wei, Qinglong An, Xiaojiang Cai, Ming Chen, Weiwei Ming
InstitutionsShanghai Jiao Tong University
Citations18

Abstract

Section titled ā€œAbstractā€

The purpose of this article is to investigate the influences of carbon fibers on the fracture mechanism of carbon fibers both in macroscopic view and microscopic view by using single-point flying cutting method. Cutting tools with three different materials were used in this research, namely, PCD (polycrystalline diamond) tool, CVD (chemical vapor deposition) diamond thin film coated carbide tool and uncoated carbide tool. The influence of fiber orientation on the cutting force and fracture topography were analyzed and conclusions were drawn that cutting forces are not affected by cutting speeds but significantly influenced by the fiber orientation. Cutting forces presented smaller values in the fiber orientation of 0/180Ā° and 15/165Ā° but the highest one in 30/150Ā°. The fracture mechanism of carbon fibers was studied in different cutting conditions such as 0Ā° orientation angle, 90Ā° orientation angle, orientation angles along fiber direction, and orientation angles inverse to the fiber direction. In addition, a prediction model on the cutting defects of carbon fiber reinforced plastic was established based on acoustic emission (AE) signals.

Tech Support

Section titled ā€œTech Supportā€

Original Source

Section titled ā€œOriginal Sourceā€

References

Section titled ā€œReferencesā€
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