By A.S. Nowick (Auth.)
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Additional info for Rare Earth Permanent Magnets
Elliot. Copyright 1965, McGraw-Hill.
12 3, 137-198 (1948). 9. C. Kittel and J. K. Gait, Solid State Phys. 3 (1965). 10. E. C. Stoner and E. P. Wohlfarth, Phil. Trans. Roy. Soc. A240, 599-644 (1948). References 31 11. J. J. Becker, /. Appl Phys. 4 1 , 1055-1064 (1970). 12. H. Zijlstra, /. Appl Phys. 4 1 , 4881-4885 (1970). 13. R. J. Parker and R. J. Studder, "Permanent Magnets and Their ,, Applications. Wiley, New York, 1962. 14. H. C. " Wiley, New York, 1941. 15. D. " Wiley, New York, 1962. 1). Occasionally, t h e G r o u p 3B elements Sc ( 2 1 ) , Y ( 3 9 ) , a n d L a (57) are included in this group because t h e y are chemi cally related t o t h e rare earths.
T h e total p e r m e a n c e can b e obtained by breaking u p t h e field into p r o b a b l e flux paths t h a t h a v e simple geometric shapes which are a m e n a b l e to calculation. T h e n „ Λ P. = Pg + Pi + P 2 + P. ·+ Pn F u r t h e r information can b e obtained on this m e t h o d a n d others from Parker and Studder , Roters , a n d H a d field . References 1. R. M. " Van Nostrand Reinhold, Princeton, New Jersey, 1951. 2. G. T. Rado and H. ), "Magnetism," 4 vols. Aca demic Press, New York, 1963.