Determination of thermal expansion coefficients on ring specimens

1974 ◽  
Vol 8 (2) ◽  
pp. 338-340
Author(s):  
V. P. Nikolaev
1983 ◽  
Vol 16 (6) ◽  
pp. 645-646 ◽  
Author(s):  
S. K. Shadangi ◽  
S. C. Panda ◽  
S. Bhan

The lattice spacings of the intermetallic compound Ni3Zr have been measured by X-ray methods in the temperature interval 298–1033 K using a Debye–Scherrer camera. In all the cases the measured lattice spacings have been found to increase non-linearly with temperature and the dependence has been expressed by a polynomial of second degree from the least-squares fitting of the data. The thermal expansion coefficients for both parameters have been found to decrease with increase in temperature.


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