Iron Carbon diagrams over the Years


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


cvdv@home.nl

Year of publication:	1905
Author :	Charpy
Source :	Zur Metallographie des Roheisens,E.Heyn,O.Bauer,Stahl und Eisen, Vol.27 (1907), pp.1565-71+1621-25.
	(About the metallography of cast iron.)
Original publication:	"Sur le diagramme d'equilibre des alliages fer-carbone", Comptes rendus 1905

Notes:
Independly from Heyn, Charpy also proposed a double system, divided into a stable austenite-graphite and an austenite-cementite diagram. Note the difference in carbon content of the ferrite phase as compared to Heyn.


Image

German-English Translation.



Translation Stabile Gleichgewichte=Stable equilibrium
Back to image