In-situ EBSD Phase Transformation and Recrystallisation

Electron Microscopy and Analysis Group Conference 2013

Ubhi, H.S.^1 ; Parsons, J.^2 ; Othen, N.^2 ; Campbell, S.^3 ; Poole, R.^3 ; Gholinia, A.^4

Oxford Instruments Analytical Ltd., HP12 3SE High Wycombe, Bucks, United Kingdom^1

Gatan UK, 25 Nuffield Way, Oxon, OX14 1RL Abingdon, United Kingdom^2

MAHLE Engine Systems UK Ltd., Riccarton KA1 3NA Ayshire Kilmarnock, United Kingdom^3

School of Materials, University of Manchester, Grosvenor Street, M1 7HS Manchester, United Kingdom^4

关键词: Crystallographic textures;    Heating experiment;    High spatial resolution;    In-situ heating;    Microstructural changes;    Microstructural parameters;    Plain carbon steels;    Recrystallisation;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/522/1/012011/pdf
DOI  :  10.1088/1742-6596/522/1/012011

来源: IOP

【 摘 要 】

With the advent of in-situ heating stages that can fit into SEM's and the combination with EBSD, it is now possible to directly observe phenomenon such as phase transformations and recrystallisation at high spatial resolution and to link these processes to microstructural parameters. This presentation will report some results from preliminary in-situ EBSD heating experiments conducted in an SEM on the transformation of ausenite to ferrite in a plain carbon steel and recrystallisation in bronze alloy strip cast on a steel substrate. The microstructural changes observed during these experiments will be reported in terms of EBSD maps, grains size and crystallographic texture that evolves during a) a heating cycle from ferrite to austenite and cooling to ferrite and b) the recrystallisation microstructure for bronze and steel during isochronal heating.