SYMPOSIA PAPER Published: 01 January 1973
STP36496S

Graphite Fiber Tensile Property Evaluation

Source

Existing techniques for the evaluation of single graphite fiber tensile properties are reviewed. Several problems associated with these techniques are identified and evaluated. Alternate procedures are demonstrated which significantly reduce the uncertainty introduced in denier measurement and operator selectivity.

In a separate approach to improved tensile property evaluation, dry bundle tension test procedures and analysis techniques are developed and demonstrated. With this approach average fiber tensile properties for the entire bundle can be generated by coupling the bundle breaking energy with the modulus determined by electrical resistivity. Moreover, analysis of the bundle stress-strain curve enables one to generate cumulative strength distribution data for the fibers involved. Both the average and cumulative data agree very well with results obtained via extensive single fil evaluation.

Author Information

McMahon, PE
Celanese Research Co., Summit, N. J.
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Details
Developed by Committee: D30
Pages: 367–389
DOI: 10.1520/STP36496S
ISBN-EB: 978-0-8031-4621-1
ISBN-13: 978-0-8031-0701-4