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| MEASUREMENT AND CHARACTERIZATION OF THE SURFACE RELIEF IN A DUPLEX STAINLESS STEEL |
| QIU Dong; ZHANG Wenzheng |
| Department of Materials Science and Engineering; Tsinghua University;Beijing 100084 |
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Cite this article:
QIU Dong; ZHANG Wenzheng. MEASUREMENT AND CHARACTERIZATION OF THE SURFACE RELIEF IN A DUPLEX STAINLESS STEEL. Acta Metall Sin, 2005, 41(9): 897-904 .
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Abstract The surface relief, especially the double-tilt
surface relief, associated with diffusion
controlled phase transformations in some
alloys, has not been well understood so far. A
bottleneck is the absence of a strict and systematic measurement method. The present paper introduced a new measurement method
based on the EBSD and AFM technology. Various
crystallographic features were quantitatively determined by this method, including the orientation relationship (OR),the orientation of the habit plane (IO), the displacement vector inducing the surface relief and the maximum relief angle. The OR and IO were consistently in agreement with the calculated results from the O-line method. However understanding of the displacement vector and unusual large relief angle needs further
study.
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Received: 20 February 2005
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