A comparison of the structure of liquid alloys derived from thermodynamic and diffraction studies
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3. G. K. Burgess: Bull. Nat. Bur. Stand., vol. 6, pp. 111-19, 1909. 4. C. M. Stubbs: Proc. Roy. Soc. (London}, ser. A, 1913, vol. 88, pp. 195-205. 5. C. C. Bidwell:Phys. Rev. Ser. 2, 1914, vol. 3, pp. 439-49. 6. G. K. Burgess and R. G. Waltenberg: Bull. Nat. Bur. Stand., vol. 11, pp. 591-605, 1915. 7. D. B. Smith and J. Chipman: Trans. AIME, 1952, vol. 194, pp. 643-44. 8. yon K. W. Lange and H. Schenck: Arch. Eisenhuettenw., 1968, vol. 39, pp. 611-15. 9. L. A. Stretz and R. G. Bautista: Temperature, Its Measurement and Control in Science and Industry, H. H. Plumb, ed., vol. 4, part 1, pp. 489-99, Instrument Society of America, Pittsburgh, PA, 1972. 10. D. W. Bonnell, J. A. Treverton, A. J. Valerga,and J. L. Margrave: ibid., pp. 483-88. 11. D. N. Baria and R. G. Bautista: Met. Trans., 1974, vol. 5, pp. 555-60. 12. D. N. Baria and R. G. Bautista: Met. Trans., 1974, vol. 5, pp. 1543-46. 13. J. C. DeVos: Physiea, 1954, vol. 20, pp. 669-89. 14. G. Babat and M. Losinsky: J. Appl. Phys., 1940, vol. 11, pp. 816-23. 15. M. Hansen: Constitution of Binary Alloys, 1958, pp. 353, McGraw-Hill Book Co., New York, NY. 16. R. P. Elliott: Constitittion of Binary Alloys, 1st Suppl., pp. 386, McGrawHill Book Co., New York, NY, 1965. 17. J. C. Hylton and R. L. Reid: AIAA J., 1976, vol. 14, pp. 1303. 18. C. M. Moscowitz, L. A. Stretz, and R. G. Bautista: High Temp. Sci., 1972, vol. 4, pp. 372-78. 19. R. K. Koch, J. L. Hoffman, and R. A. Beall: U.S. Nat. Tech. Inform. Serv. Rept. No. PB-221526, Springfield,VA 22161. 20. W. E. Dallman and V. A. Fassel: Anal. Chem., 1967, vol. 39, pp. 133-42.
s p e c t i v e l y , in t h e l o n g w a v e l e n g t h o r z e r o w a v e v e c t o r l i m i t , a n d S N C (0) i s t h e c o r r e l a t i o n b e t w e e n t h e s e f l u c t u a t i o n s . T h e s y m b o l XT d e n o t e s t h e i s o t h e r m a l compressibility, N is the Avogadro's number, k is the Boltzmann constant, T is the absolute temperature, V i s t h e m o l a r v o l u m e , LxG i s t h e i n t e g r a l G i b b s ' e n e r g y of m i x i n g , c i s t h e c o n c e n t r a t i o n of t h e a l l o y e x p r e s s e d in atom fraction, and the function 5 is defined by,
A Comparison of the Structure of Liquid Alloys Derived from Thermodynamic and Diffraction Studies Y . W A S E D A A N D K. T . J A C O B
6 = (N/V)(V i - Vj)
A s i g n i f i c a n t a m o u n t of r e s e a r c h o n t h e t h e r m o d y n a m i c p r o p e r t i e s of m o l t e n a l l o y s i s u n d e r t a k e n f o r obtaining insights into their structure. The partial and integral molar enthalpies, entropies and volumes of m i x i n g p r o v i d e s o m e g e n e r a l i n f o r m a t i o n o n t h e n a t u r e a n d s t r e n g t h of a t o m i c b o n d s a n d t h e d i s t r i b u t i o n of a t o m s . H o w e v e r , u n t i l r e c e n t l y i t h a s b e e n d i f ficult to derive specific quantitative information bec a u s e t h e e x c e s s e n t r o p y of m i x i n g c o n t a i n s c o n f i g u r a tional, vibrational, electronic, and
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