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Received: 2000-06-01
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MICROSTRUCTURE OF AS-MELT SPUN Al-Cu-Mg-Fe-Ni ALLOY AND ITS VARIATION IN CONTINUOUS HEAT TREATMENT
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YAN Mi, LUO Wei, WU Zhen-tai. MICROSTRUCTURE OF AS-MELT SPUN Al-Cu-Mg-Fe-Ni ALLOY AND ITS VARIATION IN CONTINUOUS HEAT TREATMENT[J]. Journal of Zhejiang University Science A, 2001, 2(2): 121-127.
@article{title="MICROSTRUCTURE OF AS-MELT SPUN Al-Cu-Mg-Fe-Ni ALLOY AND ITS VARIATION IN CONTINUOUS HEAT TREATMENT",
author="YAN Mi, LUO Wei, WU Zhen-tai",
journal="Journal of Zhejiang University Science A",
volume="2",
number="2",
pages="121-127",
year="2001",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2001.0121"
}
%0 Journal Article
%T MICROSTRUCTURE OF AS-MELT SPUN Al-Cu-Mg-Fe-Ni ALLOY AND ITS VARIATION IN CONTINUOUS HEAT TREATMENT
%A YAN Mi
%A LUO Wei
%A WU Zhen-tai
%J Journal of Zhejiang University SCIENCE A
%V 2
%N 2
%P 121-127
%@ 1869-1951
%D 2001
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2001.0121
TY - JOUR
T1 - MICROSTRUCTURE OF AS-MELT SPUN Al-Cu-Mg-Fe-Ni ALLOY AND ITS VARIATION IN CONTINUOUS HEAT TREATMENT
A1 - YAN Mi
A1 - LUO Wei
A1 - WU Zhen-tai
J0 - Journal of Zhejiang University Science A
VL - 2
IS - 2
SP - 121
EP - 127
%@ 1869-1951
Y1 - 2001
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2001.0121
Abstract: A commercial AA2618 alloy was treated through melt spinning at rotating speeds of 20 and 40 m·s-1. The as-melt spun ribbons were characterized by a combination of optical microscopy (OPM), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD). The microstructural evolution of the ribbons in a continuous heating process was investigated, and the microhardness was also measured under different conditions. It was found that AlxFeNi is prone to precipitate in AA2618 alloy due to the minimal solubility of iron and nickel. Fine AlxFeNi particles appeared along the grain boundaries at the chilling sides of as-melt spun ribbons, and at both the grain boundaries and in the interior of grains at the free sides. On continuous heating AlxFeNi precipitated steadily and uniformly throughout the matrix until melting. The microhardness of as-melt spun ribbons decreased significantly from the chilling surfaces to free surfaces. Precipitation of AlxFeNi lowered the hardness of the alloy.
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