Microstructure changes during cavitation erosion for a steel with metastable austenite

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J Mater Sci Technol ›› 2000, Vol. 16 ›› Issue (05): 546-548.

• Research Articles • Previous Articles

Microstructure changes during cavitation erosion for a steel with metastable austenite

Wantang FU

Dept. of Materials Science and Engineering, Yanshan University, Qinhuangdao 066004, China

Received:2000-01-11 Revised:2000-03-28 Online:2000-09-28 Published:2009-10-10
Contact: Wantang FU

Abstract

Abstract: The characteristics of microstructure changes during cavitation erosion (CE) were investigated by the use of XRD and TEM analyses for steel (ZG0Cr13Mn8N) with metastable austenite. The results show that the microstructure of the surface layer of the specimens consists of alpha'-martensite, metastable austenite and a few g-martensite before CE. CE obviously increases dislocation density and straight or planar dislocations on the surface, and induces gamma --> epsilon, epsilon --> alpha' and gamma --> alpha'-martensitic transformation.

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Wantang FU. Microstructure changes during cavitation erosion for a steel with metastable austenite[J]. J Mater Sci Technol, 2000, 16(05): 546-548.

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Microstructure changes during cavitation erosion for a steel with metastable austenite

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