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ANSTO Publications Online >
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Scientific and Technical Reports >
Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/251
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| Title: | Temperature and porosity dependence of the modulus of rigidity and Poisson's ratio of beryllia. |
| Authors: | Kelly, JW Whatham, JF |
| Issue Date: | Aug-1967 |
| Publisher: | Australian Nuclear Science and Technology Organisation |
| Abstract: | Using torsional equipment designed for the task, the modulus of rigidity of isostatically pressed and sintered beryllia was determined as a function of temperature and porosity. The temperature dependance was given by: Gt = G20 (1-at), where Gt is the modulus at toC, G20 is the modulus at 20oC and a is a constant approx. 3 x 10-5 degC independent of porosity up to 800oC. Porosity dependance was given by: Gt = Go (1-bP), where Go is the modulus at zero porosity, P is the fractional volume porosity and b is a constant approx. 1.58 independent of temperature up to 800oC. Poisson's ratio was found to be 0.30 + 0.05 and was independent of both temperature and porosity. |
| URI: | http://apo.ansto.gov.au/dspace/handle/10238/251 |
| Appears in Collections: | Scientific and Technical Reports |
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