EFFECT OF NITROGEN ON GRAPHITE MORPHOLOGY IN GRAY CAST IRON

Acta Metall Sin

1992, Vol. 28

Issue (10): 73-78 DOI:

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EFFECT OF NITROGEN ON GRAPHITE MORPHOLOGY IN GRAY CAST IRON

ZHAI Qijie; HU Hanqi (University of Science and Technology Beijing)

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ZHAI Qijie; HU Hanqi (University of Science and Technology Beijing). EFFECT OF NITROGEN ON GRAPHITE MORPHOLOGY IN GRAY CAST IRON. Acta Metall Sin, 1992, 28(10): 73-78.

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Abstract The distribution of nitrogen and morphology of graphite in the gray cast iron containing nitrogen were studied by adopting the man-made specimens of Fe-C-Si-Mn alloys with some nitrogen added. The nitrogen adsorbed along interfaces between graphite and matrix together with solid-solutioned in graphite is believed to be the principal cause of morphological variation of graphite.

Key words: gray cast iron graphite morphology nitrogen

Received: 18 October 1992

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1 翟启杰,马蕊,胡汉起.钢铁研究学报,1990;2:89
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