Effect of grain boundary carbide on creep crack growth in Fe-Cr15-Ni25 alloy

Fugang Wang, Suming Zhu, Shijie Zhu, Xiaomin Ren, Yi Tan, Junshan Zhang

Research output: Contribution to journalArticleResearchpeer-review


Creep crack growth behavior of Fe-Cr15-Ni25 alloys with different grain boundary features has been studied. Cavities nucleate at triple junctions of grain boundaries for the single phase alloy and at grain boundary carbide for the alloy with grain boundary carbide. Grain boundary carbide particles are obstacles to cavity growth and coalescence, and therefore increase the creep crack growth resistance greatly.

Original languageEnglish
Pages (from-to)48-51
Number of pages4
JournalActa Metallurgica Sinica Series A: Physical Metallurgy & Materials Science
Volume5 A
Issue number1
Publication statusPublished - 1 Jan 1992
Externally publishedYes

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