Fe_3Al PRECIPITATES IN IRON-ALUMUNIUM BRASS

Acta Metall Sin

1988, Vol. 24

Issue (3): 168-172 DOI:

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Fe_3Al PRECIPITATES IN IRON-ALUMUNIUM BRASS

SUN Yangshan Nanjing Institute of Technology Dept.of Materials Science;

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SUN Yangshan Nanjing Institute of Technology Dept.of Materials Science;. Fe_3Al PRECIPITATES IN IRON-ALUMUNIUM BRASS. Acta Metall Sin, 1988, 24(3): 168-172.

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Abstract Fe_3Al precipitates with three morphologies have been observed in themicrostructure of the brass containing aluminium and iron. Studies of the micro-structural development show that these three morphologies reflect three stages ofthe precipitate growth. The initially formed Fe_3Al precipitates are coherent withthe matrix. The growth of precipitates is along <111> direction during the coars-ening, which results in the change in morphology (from cubic to dendritic) and theloss of coherency of the precipitates.

Key words: iron aluminium brass Fe_3Al precipitates microstructure

Received: 18 March 1988

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1988/V24/I3/168

1 ASM Engineering Bookshelf. Source Book on Copper and Its Alloys. ASM, 1979: 697
2 West E G. Copper and Its Alloys. Chichester: Ellis Horwood Ltd., 1982: 101z

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