ON THE PRECIPITATE IN Fe-28Al ALLOY

Acta Metall Sin

1996, Vol. 32

Issue (6): 585-588 DOI:

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ON THE PRECIPITATE IN Fe-28Al ALLOY

ZHAO Zhongtao; LIU Tao; MA Ruzhang (University of Scicnce and Technology Beijing; Beijing 100083); MA Changying (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing 100081 )

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Abstract The structure of the quenched Fe-28Al alloy was investigated by means of magnetic measurements, microstructure observation and X-ray diffraction. The results showed that the second phase could precipitate at grain boundaries of the alloy quenched from B2 region. It has been recognized to be Fe_3AlC_x (k-phase), the carbide of Fe and Al.

Key words: Fe-28Al alloy precipitate Fe_3AlC_x

Received: 18 June 1996

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1996/V32/I6/585

1MckameyCG,HortonJA,LiuCT．JMaterRes,1989;4:11562DuG,WangZ,XiaoJ．ScrMetallMater,1994;30:15593杜国维,王政,肖纪美．金属学报,1995;31:A1514中宪典,山村明彦,羽坂雅之,江口铁男．日本金属学会志,1977;41:2935OkamotoH,BeckPA,MetallTrans,1971;2．5696MorgandP,MetallTrans,1970:1:23317MorralFR．JIronSteelInstLondon,1934;130:4198BB．MuTOM,1962;(6):29KerrWR．MetallTrans,1986;17A:229810SnoekJL．NewDevelopmentsinFerromagneticMaterials．Moscow:Foreignliteraturepress,1949:110(inRussian)

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