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Thermal Expansion Measurements on Thoria and Hafnia to 4500°F

1964; Wiley; Volume: 47; Issue: 8 Linguagem: Inglês

10.1111/j.1151-2916.1964.tb13840.x

1551-2916

B. Ohnysty, Frederick Rose,

Catalysis and Oxidation Reactions

Equipment for measuring thermal expansion to 4500°F is described. Linear thermal expansion to 4500°F was measured on thoria and hafnia. Average coefficient of linear expansion from 75° to 4500°F for thoria was 6.05 x 10‐3per O F; for stabilized hafnia with 10 wt% Y 2 O 3 additions it was 6.33 × 10 −6 per OF, and with 15 wt% Y 2 O 3 additions it was 6.27 × 10 −6 per °F.