Research of brittleness of silicon bearing heat-resisting nodular iron

被引：0
|
作者：
Gu, K.C. [1 ]
Gu, Y.N. [1 ]
Li, Y.Y. [1 ]
Mao, X.Y. [1 ]
Chen, L. [1 ]
Tong, M. [1 ]
机构：
[1] Shenyang Polytechnic Univ., Shenyang 110023, China
来源：
Kang T'ieh/Iron and Steel (Peking) | 2001年 / 36卷 / 01期
关键词：
Brittleness - Cracks - Heat resistance - Hydrogen - Silicon;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The experiment has proved that in silicon bearing heat-resisting nodular iron some amount of hydrogen are spontaneously dissolved into α-Fe with silicon, and the segregation of hydrogen on crystal plane causes brittleness. The interaction effect of silicon brittleness and hydrogen brittleness is the essence of brittle cracking of such nodular iron. Brittle cracking often occurs at the interface between nodular graphite and matrix where hydrogen is enriched.
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页码：56 / 59
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