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The effect of static tensile load on the thermal expansion of Gr/PI composite material was measured for seven different laminate configurations. A computer program was developed which implements laminate theory in a piecewise linear fashion to predict the coupled nonlinear thermomechanical behavior. Static tensile load significantly affected the thermal expansion characteristics of the laminates tested. This effect is attributed to a fiber instability micromechanical behavior of the constituent materials. Analytical results correlated reasonably well with free thermal expansion tests (no load applied to the specimen). However, correlation was poor for tests with an applied load. Farley, G. L. Langley Research Center NASA-TP-1867, AVRADCOM-TR-81-B-2, L-14012 DA PROJ. 1L1-61102-AH-45...
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Effects of Static Tensile Load on the Thermal Expansion of Gr/Pi Composite Material, National Aeronautics and Space Administration
- Taal
- Jaar van publicatie
- 2018
- Bindwijze
- (Paperback)
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- Titel
- Effects of Static Tensile Load on the Thermal Expansion of Gr/Pi Composite Material
- Jaar van publicatie
- 2018
- Formaat
- Paperback
- Aantal pagina's
- 38
- ISBN10
- 1725560178
- ISBN13
- 9781725560178
- Reeks
- Aantekening
- The effect of static tensile load on the thermal expansion of Gr/PI composite material was measured for seven different laminate configurations. A computer program was developed which implements laminate theory in a piecewise linear fashion to predict the coupled nonlinear thermomechanical behavior. Static tensile load significantly affected the thermal expansion characteristics of the laminates tested. This effect is attributed to a fiber instability micromechanical behavior of the constituent materials. Analytical results correlated reasonably well with free thermal expansion tests (no load applied to the specimen). However, correlation was poor for tests with an applied load. Farley, G. L. Langley Research Center NASA-TP-1867, AVRADCOM-TR-81-B-2, L-14012 DA PROJ. 1L1-61102-AH-45...