LI Shilei, WANG Yanli, CHENG Lu, WANG Xitao, LIN Zhi, CHEN Guoliang. Thermal aging mechanism of Z3CN20-09M cast austenite stainless steel[J]. Chinese Journal of Engineering, 2008, 30(10): 1117-1121. DOI: 10.13374/j.issn1001-053x.2008.10.002
Citation: LI Shilei, WANG Yanli, CHENG Lu, WANG Xitao, LIN Zhi, CHEN Guoliang. Thermal aging mechanism of Z3CN20-09M cast austenite stainless steel[J]. Chinese Journal of Engineering, 2008, 30(10): 1117-1121. DOI: 10.13374/j.issn1001-053x.2008.10.002
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Thermal aging mechanism of Z3CN20-09M cast austenite stainless steel

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  • Z3CN20-09M cast austenite stainless steel was aged at 400℃ for 100-3 000 h and the change law of nano indenter hardness and ferrite content was investigated. Its microstructure after being aged was observed by both TEM and SEM. The results showed that the thermal aging embrittlement was induced by spinodal decomposition in ferrite.
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