BORON DISTRIBUTION IN BCCINTERMETALLIC COMPOUND Fe_3(Si,Al) AND IMPROVEMENT ON ITS BRITTLENESS

Acta Metall Sin

1991, Vol. 27

Issue (2): 27-32 DOI:

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BORON DISTRIBUTION IN BCCINTERMETALLIC COMPOUND Fe_3(Si,Al) AND IMPROVEMENT ON ITS BRITTLENESS

SHAO Yuanzhi;GU Shouren;CHEN Nanping Tsinghua University; Beijing

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SHAO Yuanzhi;GU Shouren;CHEN Nanping Tsinghua University; Beijing. BORON DISTRIBUTION IN BCCINTERMETALLIC COMPOUND Fe_3(Si,Al) AND IMPROVEMENT ON ITS BRITTLENESS. Acta Metall Sin, 1991, 27(2): 27-32.

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Abstract Studies were made of the influence of B distribution in bcc lattice in-termetallic compound Fe_3(Si, Al) on the long range order and the improvement onits brittleness. A new mechanism concerning weakening of grain interiors is put for-ward. Based on this mechanism, the brittleness improvement of the bcc intermetallicswith B addition could be well explained.

Key words: Fe(Si Al) brittleness boron long range order microenvironment

Received: 18 February 1991

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1991/V27/I2/27

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