Title
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Advanced TEM investigations on Ni-Ti shape memory material: strain and concentration gradients surrounding precipitates
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Author
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Abstract
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Lattice deformations and concentration gradients surrounding Ni4Ti3 precipitates grown by appropriate annealing in a Ni51Ti49 B2 austenite matrix are determined by a combination of TEM techniques. Quantitative Fourier analysis of HRTEM images reveals a deformed nanoscale region with lattice deformations up to 2% while EELS and EDX indicate a Ni depleted zone up to 150 nm away from the matrix-precipitate interface. |
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Language
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English
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Source (book)
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Integrative and interdisciplinary aspects of intermetallics: symposium proceedings of the Materials Research Society Fall Meeting, 2004, Boston, Mass.
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Publication
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s.l.
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2005
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ISBN
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1-55899-790-3
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Volume/pages
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p. 329-338
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ISI
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000230340600053
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