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BELL SYSTEM TECHNICAL JOURNAL 



PER CENT ALLOYING ELEMENT 



Fig. 25 — Diagrams illustrating the changes in various properties that occur when a 

 second phase precipitates. 



the absence of disturbing amounts of other impurities. Two examples of the 

 effect of impurities will be given, in addition to Fig. 8. In Fig. 27 Yensen and 

 Ziegler" have plotted the hysteresis loss as dependent on carbon content, 



" T. I). Ycnscn and N. A. Ziegler, Traus. Am. Soc. Mctah 24, .i?7-58 (1936). 



