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9. The application of convergent beam electron diffraction (CBED) analysis on transformation‐induced plasticity (TRIP) steels.

Author

Tsai, Shao‐Pu, Tsai, Shih‐Ning, Tsai, Yu‐Ting, Chen, Yu‐Wen, Tung, Po‐Yen, Yang, Jer‐Ren, Chen, Hsueh‐Ren, Chen, Chih‐Yuan, Wang, Yuan‐Tsung, Huang, Ching‐Yuan, and Yang, Cheol‐Woong

Abstract

Convergent beam electron diffraction (CBED) in transmission electron microscopy (TEM) was applied to determine local carbon concentrations in low‐carbon transformation‐induced plasticity (TRIP) steels. High‐order Laue‐zone (HOLZ) lines were experimentally obtained for comparison with simulation results. A new procedure for calculating carbon content is thus proposed. Retained austenite (RA) is classified into three types by morphology; the relationship between the carbon content and the corresponding RA morphology is discussed based on CBED results. Furthermore, results of X‐Ray diffractometry measurements are also used for comparison. CBED was applied to determine the carbon contents in TRIP steels.Experimental HOLZ lines were compared with simulated results; a related methodology of calculating carbon concentration was developed.Carbon was found to be inhomogeneously distributed. [ABSTRACT FROM AUTHOR]

Published
2019
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