X-ray diffraction, transmission electron microscopy, and differential scanning ...... 33 D A Porter and K. E. Easterling, Phase Transformations in Metals and.
Thermal stability and grain growth behavior of mechanicallly alloyed nanocrystalline Fe-Cu alloys J. Eckert, J. C. Holzer, and W. L. Johnson California Institute of Technology, W: M. Keck Laboratory of Engineering Materials 138-78, Pasadena, California 91125
[Received 24 June 1992; accepted for publication 24 September 1992) X-ray diffraction, transmission electron microscopy, and differential scanning calorimetry were used to study the thermal stability of highly supersaturated nanocrystalline Fe,Cul,-, alloys (10~~~95) synthesized by mechanical alloying. Alloys with x < 60 exhibit single-phase fee structure while single-phase bee alloys form for x > 80. For 6O
