Radiance temperatures (in the wavelength range 523-907 nm) of Group IVB transition metals titanium, zirconium, and hafnium at their melting points by a pulse-heating technique
- National Institute of Standards and Technology, Gaithersburg, MD (United States)
The melting-point radiance temperatures (at six wavelengths in the range 523-907 nm) of the Group IVB transition metals titanium, zirconium, and hafnium were measured by a pulse-heating technique. The method is based on rapid resistive self-heating of the specimen from room temperature to its melting point in less than 1 s and on simultaneously measuring the specimen radiance temperatures every 0.5 ms with a high-speed six-wavelength pyrometer. Melting was manifested by a plateau in the radiance temperature-versus-time function for each wavelength. The melting-point radiance temperatures for a given specimen were determined by averaging the measured temperatures along the plateau at each wavelength. The melting-point radiance temperatures for each metal were determined by averaging results for several specimens at each wavelength.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 56869
- Journal Information:
- International Journal of Thermophysics, Vol. 15, Issue 5; Other Information: PBD: Sep 1994
- Country of Publication:
- United States
- Language:
- English
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