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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/10238/364
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| Title: | Creep of isostatically-pressed beryllium oxide. |
| Authors: | Kelly, JW |
| Issue Date: | May-1967 |
| Publisher: | Australian Nuclear Science and Technology Organisation |
| Abstract: | The creep in bending of polycrystalline isostatically-pres sed beryllium oxide has been studied in the temperature range 800°C to 1150°C for stresses up to 104 lb in the minimum creep rate was found to be linearly proportional to stress and the process was temperature — dependent with an activation energy of 100 kcal mole-1. Thus results were consistent with the Nabarro - Herring creep mechanism, the rate constant being 10-8 to 10-9 lb-1 in2 h-1. Probably the creep rate is controlled by an impurity and would be enhanced by neutron irradiation. |
| URI: | http://apo.ansto.gov.au/dspace/handle/10238/364 |
| Appears in Collections: | Scientific and Technical Reports |
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