Thermal expansion of TiAl + TiB2 alloys and model calculations of stresses and expansion of continuous fiber composites
- T. A. Hahn
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Thermal expansion values for three TiAl alloys with different additions of TiB2 can be represented using a third-order equation at temperatures between 20 and 800°C. Expansion values were obtained on both heating and cooling temperature cycles. The total expansion at 800°C is between 0.917 and 0.931% for three different samples. The expansivity increases from about 10×10−6°C−1 at 80°C to 14×10−6°C−1 at 750°C. A five-coaxial cylinder elastic model for multizone-coated continuous fiber composites is developed for predicting stresses and thermal expansion of composites. Either isotropic or transversely isotropic material properties can be assigned to the various cylinder zones.
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- Thermal expansion of TiAl + TiB2 alloys and model calculations of stresses and expansion of continuous fiber composites
International Journal of Thermophysics
Volume 12, Issue 4 , pp 711-722
- Cover Date
- Print ISSN
- Online ISSN
- Kluwer Academic Publishers-Plenum Publishers
- Additional Links
- continuous fiber composites
- stress/strain calculations
- thermal expansion
- TiAl+TiB2 alloys
- Industry Sectors
- T. A. Hahn (1)
- Author Affiliations
- 1. Composites and Ceramics Branch, Naval Research Laboratory, 20375, Washington, D.C., USA