Hybrid Prepreg Tapes for Composite Manufacturing: A Case Study

Area of Science:

• Materials Science
• Composite Materials Engineering

Background:

• Hybrid prepreg tapes are advanced materials used in composite manufacturing.
• Glass multifilament roving with a circular cross-section is a key component.

Observation:

• The study focused on the preparation and characterization of these hybrid prepreg tapes.
• Exploratory data analysis, including quantile-quantile plots, was used for strength distribution analysis.
• A three-parameter Weibull distribution model was employed to characterize fiber, roving, and tape strength.

Findings:

• A noniterative Weibull moments technique was utilized for parameter estimation.
• The developed controlled mechanical spreading technology improved the tapes' mechanical tensile properties.
• The hybrid prepreg tapes demonstrated suitability for creating complex composite shapes.

Implications:

• This advancement facilitates the production of intricate composite structures.
• Robotic winding processes can benefit from these enhanced prepreg tapes.
• The research contributes to the field of advanced composite material development.