Acta Metallurgica Sinica (English Letters) ›› 1990, Vol. 3 ›› Issue (6): 398-404.

• Research paper • Previous Articles     Next Articles

INTRAGRANULAR VC AND M_(23)C_6 IN GH36 SUPERALLOY

LI Yuqing Research Institute of Daye Steel Works,Huangshi,China Senior Engineer,Research Institute of Daye Steel Works,Huangshi,Hubei Province 435001,China   

  • Received:1990-12-25 Revised:1990-12-25 Online:1990-12-25 Published:2009-10-10

Abstract: The distinct images of intragranular VC were observed on TEM in superalloy GH36 underwent normal heat treatment and prolonged aging.The size of VC particles were meas- ured by means of Moire pattern,and the misfit between VC and austenite was also calculated. The M23C6 enveloped in VC shell was also observed in the prolonged-aged specimens.The coherent relation between intragranular M_(23)C_6 twins and austenite as well as its coherent in- terface were also studied.

Key words: VC, M_(23)C_6, Moire pattern, misfit