On determination of fibre fraction in continuous fibre composite materials

1982 ◽  
Vol 1 (6) ◽  
pp. 249-252 ◽  
Author(s):  
J. Daniel Whittenberger ◽  
Frances I. Hurwitz ◽  
John J. Ricca ◽  
Rebecca M. Jurta
Keyword(s):  
Composite Materials ◽  
Fibre Composite ◽  
Continuous Fibre ◽  
Fibre Fraction

Determination of In-plane Shear Strength of Unidirectional Composite Materials Using the Off-axis Three-point Flexure and Off-axis Tensile Tests

2010 ◽  
Vol 44 (21) ◽  
pp. 2487-2507 ◽  
Author(s):  
G. Vargas ◽  
F. Mujika
Keyword(s):  
Shear Strength ◽  
Composite Materials ◽  
Tensile Tests ◽  
Unidirectional Composite ◽  
Point Of View ◽  
Experimental Point ◽  
Plane Shear ◽  
Lift Off ◽  
Flexure Test

The aim of this work is to compare from an experimental point of view the determination of in-plane shear strength of unidirectional composite materials by means of two off-axis tests: three-point flexure and tensile. In the case of the off-axis three-point flexure test, the condition of small displacements and the condition of lift-off between the specimen and the fixture supports have been taken into account. Some considerations regarding stress and displacement fields are presented. The in-plane shear characterization has been performed on a carbon fiber reinforced unidirectional laminate with several fiber orientation angles: 10°, 20°, 30°, and 45°. Test conditions for both off-axis experimental methods, in order to ensure their applicability, are presented. Off-axis flexure test is considered more suitable than off-axis tensile test for the determination of in-plane shear strength.

Determination of Fracture Sites in Composite Materials with Liquid Crystals

1969 ◽  
Vol 3 (4) ◽  
pp. 702-704 ◽  
Author(s):  
L.J. Broutman ◽  
T. Kobayashi ◽  
D. Carrillo
Keyword(s):  
Composite Materials ◽  
Liquid Crystals
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