Abstract
Chopped carbon fiber, as a commercially available category of carbon fiber, is an important intermediate material to fabricate carbon fiber–reinforced composites or nonwoven fabrics. Due to lack of...
Highlights
Carbon fibers (CFs) can reinforce composites or nonwoven fabrics to exhibit their advantages over metals, such as light weight, high mechanical strength, excellent corrosion/thermal resistance properties, and etc.[1,2] They are widely used as structural and functional materials including electromagnetic interference (EMI) shielding layer,[3] catalyst support,[4] and electrode.[5]According to length difference, there are two categories of CFs, which are continuous-CF and choppedCF
In this work, owing to the uncertainty and fuzziness of CF surface properties and fracture morphology, we proposed an Fuzzy comprehensive evaluation (FCE) method to assess the quality of chopped-CFs fabricated on a radial chopping pilot process in mass production
Where bmi ax and bmi in are the maximum width and minimum width of a chopped-CF segment, respectively. Both the fracture morphology and bundling morphology were scored by an expert scoring method
Summary
Carbon fibers (CFs) can reinforce composites or nonwoven fabrics to exhibit their advantages over metals, such as light weight, high mechanical strength, excellent corrosion/thermal resistance properties, and etc.[1,2] They are widely used as structural and functional materials including electromagnetic interference (EMI) shielding layer,[3] catalyst support,[4] and electrode.[5]. There are two categories of CFs, which are continuous-CF and choppedCF ( known as short CF). The continuous-CF always appears thousands of meters and is entangled into a fiber roll for the convenience of storage and transportation in commercial application. Since a single CF monofilament is only several microns in diameter, in order to keep continuous production and reduce cost, the continuous-CF is normally fabricated with thousands of monofilaments bundled together into a tow.
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