September 2013

Conference Paper

FIBER LENGTH DISTRIBUTION MEASUREMENT FOR LONG GLASS AND CARBON FIBER REINFORCED INJECTION MOLDED THERMOPLASTICS

By:
Kunc, Vlastimil ; Frame, Barbara J; Nguyen, Ba; Tucker, Charles; Velez-Garcia, Gregorio
Publication Date:
September 10, 2013
Conference Name:
Automotive Composite Conference & Exhibition, Society of Plastics Engineers
Conference Location:
Troy, Michigan, United States of America
Conference Sponsor:
SPE Automotive and Composites Divisions

Abstract

Procedures for fiber length distribution (FLD) measurement of long fiber reinforced injection molded thermoplastics were refined for glass and carbon fibers. Techniques for sample selection, fiber separation, digitization and length measurement for both fiber types are described in detail. Quantitative FLD results are provided for glass and carbon reinforced polypropylene samples molded with a nominal original fiber length of 12.7 mm (1/2 in.) using equipment optimized for molding short fiber reinforced thermoplastics.


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