Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 481, Issue -, Pages 466-470Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2006.12.220
Keywords
electron backscatter diffraction; 9-12% Cr steel; misorientation
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In this work, the martensite lath structure of a creep resistant 9-12% Cr steel was examined by electron backscatter diffraction. Parameters of interest were the misorientation of matrix boundaries, martensite lath width and subgrain size. It is demonstrated, that boundary misorientations do not exactly follow the classical models for austenite-martensite transformation, and show small, but systematic deviations. It is further shown to what extent high-temperature ageing and creep loading effect the evolution of martensite lath width and subgrain size. (C) 2007 Elsevier B.V. All rights reserved.
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