Iron Carbon diagrams over the Years


By:Cees van de Velde
First Edition: August, 2000


cvdv@home.nl

Year of publication:	1904
Author :	Carpenter and Keeling
Source :	Intervalles de solidification et de transformation des alliages de fer et de carbon, Carpenter et Keeling, Revue de metallurgie, 1905, pp.428-437.
Original published in:	Journal of the Iron and Steel Institute (may 1904).

Notes:
Carpenter and Keeling were able to determine accurately the positions of solidification and transformation lines in the still rather new iron carbon diagram. The most important fact beeing the proof of the existence of line Aa, which was assumed to exist by Bakhuis Roozeboom.


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Translation.



Translation Carbon pour cent= carbon percentage.
Temperatures centigrade=temperature in degrees celcius.





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