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Figure 7
Optical microscope images taken of the examined steels. The sample coordinate system is given by the RD and ND. (a) The austentic TWIP steel X40MnCrAlV-19-2.5-2, using the Beraha-II etchant and a differential interference contrast. (b) The TRIP steel HCT690T etched with Beraha-I. (c) The ferritic steel S355MC etched with Beraha-I. |
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