INTERACTION OF PRECIPITATION AND RECRYSTALLIZATION IN RAPIDLY SOLIDIFIED Cu-Cr-Zr-Mg ALLOY

金属学报(英文版), 1999, 12(3): 273-277.

INTERACTION OF PRECIPITATION AND RECRYSTALLIZATION IN RAPIDLY SOLIDIFIED Cu-Cr-Zr-Mg ALLOY

Liu , B.X. Kang , X.G. Cao , J.L. Huang , B. Yinand H.C. Gu (Institute of Materials Science and Engineering , Xi'an Jiaotong University , Xi'an 710049 , China)(Institute of Materials Science and Engineering , Xi'an Jiaotong University , Xi'an 710049 , China)( Department of Materials Engineering , Luoyang Institute of Technology , Luoyang 471049 , China)( Department of Materials Engineering , Luoyang Institute of Technology , Luoyang 471049 , China)( Department of Materials Engineering , Luoyang Institute of Technology , Luoyang 471049 , China)( Department of Materials Engineering , Luoyang Institute of Technology , Luoyang 471049 , China)

Keywords： rapid solidification; Cu-Cr-Zr-Mg alloy; aging precipitation; recrystallization

In this paper; the recrystallization process during aging for a rapidly solidified Cu-Cr-Zr-Mg alloy has been investigated. It is found that the discotinuous crystallization process has been partially retarded by the ultra-fine and dispersed precipitation upon aging after deformation. Thus, a phenomenon of combined in situ and discontinuous recrystallization has been observed in the rapidly solidified Cu-Cr-Zr-Mg alloy.On the nucleation and growth of recrystallization, the precipitated phases are coarscned and dissolved in the front of grain boundaries following a re-precipitation in the recrystallization area,which results in the much more dispersed precipitates.

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INTERACTION OF PRECIPITATION AND RECRYSTALLIZATION IN RAPIDLY SOLIDIFIED Cu-Cr-Zr-Mg ALLOY

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