SAMPE Journal - March/April 2023 - 36
FEATURE
HYBRID
COMPOSITES
Effects of Mechanical Recycling on Carbon Fiberbased
Hybrid Composites
Mitchell L. Renchecka, Vipin Kumara, Halil Tekinalpa, Vinit Chaudharyb
Uday Vaidyab
, and Patrick Blanchardc
aManufacturing Science Division, Oak Ridge National Laboratory, Knoxville, TN
bDepartment of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN
cFord Research and Innovation Center, Ford Motor Company, Dearborn, MI
Corresponding author email. rencheckm@ornl.gov
ABSTRACT
Carbon fiber (CF) reinforced composites are high-performing, highly utilized material systems historically
used in aerospace. As the cost of CF decreases, other industries, such as automotive and energy generation,
seek to adopt CF composites into their applications. A sudden increase in CF demand may create supply chain
issues if the adoption happens without scaling up of the CF production. A solution for reducing the reliance
on CF is to substitute some portion of the CF content with another fiber type without significantly reducing
the material properties. When multiple reinforcing fillers are introduced into a composite system, the materials
system is often referred to as a hybrid composite and in this case a CF-based hybrid composite. To further
relieve reliance on CF and with sustainable manufacturing becoming more prominent in industry, mechanical
recycling can be employed to replace all or a percentage of the virgin material content. Utilizing recycled
content in place of virgin content will further aid in reducing the reliance on virgin CF and decrease overall
material costs. Here, the effects of utilizing mechanically recycled feedstocks on the mechanical properties of
injection molded samples are explored to understand the feasibility of re-manufacturing recycled CF-based
hybrid composites. By determining the mechanical properties and mechanisms in which the properties change
through varying recycled content, the assessment of how the material will perform in other manufacturing
processes can be inferred. As a result, industry will gain better insight into utilizing mechanically recycled
feedstocks to reduce their reliance on the CF supply chain.
36 | SAMPE JOURNAL | MARCH APRIL 2023
www. sampe.org
, Samarthya Bhagiaa, Vlastimil Kunca, Soydan Ozcana, Brian Knouffa
,
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SAMPE Journal - March/April 2023
Table of Contents for the Digital Edition of SAMPE Journal - March/April 2023
Contents
SAMPE Journal - March/April 2023 - Cover1
SAMPE Journal - March/April 2023 - Cover2
SAMPE Journal - March/April 2023 - Contents
SAMPE Journal - March/April 2023 - 2
SAMPE Journal - March/April 2023 - 3
SAMPE Journal - March/April 2023 - 4
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SAMPE Journal - March/April 2023 - Cover3
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