THE OXIDATION OF HOT-PRESSED TITANIUM CARBIDE AND TITANIUM BORIDE IN THE TEMPERATURE RANGE 300-1000 C
The oxidation characteristics of pure hot-pressed titanium carbide and titanium boride (TiB/sub 2/) were studied in the range 300 to 1000 deg C. Titanium carbide shows a very marked peak in the rate of oxidation at approximately 450 deg C, the oxidation product at this temperature being anatase (TiO/sub 2/), which is powdery and non-adherent; the oxidation thus follows a linear law. Above approximately 700 deg C the rate increases rapidly and is approximately parabolic. The scale in this case consists of a dense crystalline film of rutile. The oxidation of the boride is less rapid than that of the carbide over the whole temperature range but it, too, shows a slight peak at 450 deg C. The oxidation tends to be parabolic at higher temperatures. The nature of the oxidation products was not determined. (auth)
- Research Organization:
- British Aluminium Co. Ltd., Stoke-on-Trent, Staffs, Eng.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-000686
- OSTI ID:
- 4125975
- Journal Information:
- Powder Met., Journal Name: Powder Met. Vol. Vol: No. 3
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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