Mode I interlaminar fracture toughness of additively manufactured carbon fibre thermoplastic

Mode I interlaminar fracture toughness of additively manufactured carbon fibre thermoplastic

Mode I interlaminar fracture toughness was investigated for the first time for continuous carbon fiber reinforced nylon thermoplastics fabricated using fused filament fabrication (FFF). To illustrate the effect of process temperature on the fracture toughness of the FFF-fabricated continuous carb...

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Bibliographic Details
Main Authors: Goh, Guo Dong, Yeong, Wai Yee
Other Authors: School of Mechanical and Aerospace Engineering
Format: Conference or Workshop Item
Language:English
Published: 2018
Subjects:
Composite
Interlaminar Properties
DRNTU::Engineering::Mechanical engineering::Prototyping
Online Access:https://hdl.handle.net/10356/88650
http://hdl.handle.net/10220/45937
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Institution: Nanyang Technological University
Language: English
Description
Summary:Mode I interlaminar fracture toughness was investigated for the first time for continuous carbon fiber reinforced nylon thermoplastics fabricated using fused filament fabrication (FFF). To illustrate the effect of process temperature on the fracture toughness of the FFF-fabricated continuous carbon FRP composite, the nozzle temperature, bed temperature, and printing speed of the laminate were varied. Mode I interlaminar fracture toughness was evaluated by a standard double cantilever beam (DCB) test. The experimental result shows that Mode I interlaminar fracture toughness increases with increase nozzle and bed temperatures and decreases with printing speed. The decrease in the interlaminar properties was discussed on the basis of fractographic observation derived from optical microscope.

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