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|Title:||Variation with temperature and porosity, of the moduli rupture and elasticity of standard isostatically pressed and sintered beryllia.|
|Publisher:||Australian Nuclear Science and Technology Organisation|
|Abstract:||Some properties of isostatically pressed and sintered UOX beryllia, fabricated at Lucas Heights to a grain size of ≤3μ were measured. The modulus of rupture of material of density 2.86 to 2.90 g cm-3 was measured in four-point bending over the temperature range 20ºC to 1000ºC. The data could be represented by the equation: σf = 33,000 - 7.46T p.s.i. The total variance was 19.5 x 10 6 p.s.i. made up of a "within" batch variance, of 15.8 x 10 6 p.s.i. and a "between" batch variance of 3.7 x 10 6 p.s.i. The modulus of rupture at 20ºC was measured on material with a total porosity range of 4 to 35 per cent; the data could be represented by the equation: σ = σ0 exp(-2.44P) p.s.i. The modulus of elasticity was measured in four-point bending on 97-5 per cent, dense material and the data could be represented by the equation: E = (51.45 x 10 6)+(l.264x10 2 T)-(1.442+10-1T2)-(2.595x10-3T3) p.s.i. The modulus of elasticity was measured as a function of porosity in the range 2 to 36.4 per cent. The data could be represented by the equations E = Eo (1-1.47P) x 10 6 p.s.i.|
|Gov't Doc #:||838|
|Appears in Collections:||Scientific and Technical Reports|
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