FIB/SEM Applied to Quantitative 3D Analysis of Precipitates in Ni-Ti

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Ni4Ti3 precipitates with a heterogeneous distribution growing in a polycrystalline Ni50.8Ti49.2 alloy have been investigated in a Dual-Beam FIB/SEM system. The volume ratio, mean volume, central plane diameter, thickness, aspect ratio and sphericity of the precipitates in the grain interior as well as near to the grain boundary were measured or calculated. The morphology of the precipitates was classified according to the Zingg scheme. The multistage martensitic transformation occurring in these kinds of samples is interpreted in view of the data of this heterogeneous microstructure of matrix and precipitates.

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Periodical:

Solid State Phenomena (Volumes 172-174)

Edited by:

Yves Bréchet, Emmanuel Clouet, Alexis Deschamps, Alphonse Finel and Frédéric Soisson

Pages:

1284-1289

DOI:

10.4028/www.scientific.net/SSP.172-174.1284

Citation:

S. S. Cao et al., "FIB/SEM Applied to Quantitative 3D Analysis of Precipitates in Ni-Ti", Solid State Phenomena, Vols. 172-174, pp. 1284-1289, 2011

Online since:

June 2011

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$38.00

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