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Mechanisms for the development of tent-shaped and invariant-plane-strain-type surface reliefs for plates formed during diffusional phase transformations
Tent-shaped and invariant-plane-strain type surface reliefs are considered for f.c.c.→ h.c.p., f.c.c.→b.c.c. and b.c.c.→ h.c.p. diffusional phase transformations that produce plate-shaped products. Mechanisms of growth by means of mobile structural ledges with disconnection character are described....
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Published in: | Acta materialia 1998-01, Vol.46 (3), p.857-868 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Tent-shaped and invariant-plane-strain type surface reliefs are considered for f.c.c.→
h.c.p., f.c.c.→b.c.c. and b.c.c.→
h.c.p. diffusional phase transformations that produce plate-shaped products. Mechanisms of growth by means of mobile structural ledges with disconnection character are described. Different mechanisms are proposed to account for the two types of surface relief in cases where the transformation product is a single crystal. The predicted relief shapes and relief angles are in good agreement with experimental observations. |
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ISSN: | 1359-6454 1873-2453 |
DOI: | 10.1016/S1359-6454(97)00302-9 |