TEM-analysis of Sm(Co,Fe,Cu,Zr)z magnets for high temperature applications

T. Matthias, G. Zehetner, J. Fidler, W. Scholz, T. Schrefl, D. Schobinger and G.Martinek

J.M.M.M. (2001) submitted to JEMS01 Conf. Grenoble Aug. 2001, paper J-034, in print

The influence of the chemical composition on the microstructure of high temperature Sm(Co,Fe,Cu,Zr)z magnets is examined in this study. A completely developed cellular preciptation structure is the key factor for a high coercivity. Changing the chemical composition influences the microstructure as well as the microchemistry of the precipitations.

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Oct. 5, 2001