Study of the nanostructure of Gum Metal using energy-filtered transmission electron microscopy

T. Yano; Y. Murakami; D. Shindo; S. Kuramoto

doi:10.1016/j.actamat.2008.10.002

Study of the nanostructure of Gum Metal using energy-filtered transmission electron microscopy

T. Yano, Y. Murakami, D. Shindo, S. Kuramoto

Research output: Contribution to journal › Article

55 Citations (Scopus)

Abstract

The nanostructure of Gum Metal, which has many anomalous mechanical properties, was investigated using transmission electron microscopy with energy filtering. A precise analysis of the weak diffuse electron scattering that was observed in the electron diffraction patterns of the Gum Metal specimen revealed that Gum Metal contains a substantial amount of the nanometer-sized ω phase. The morphology of the ω phase appeared to have a correlation with the faulting in the {2 1 1} planes, which are one of the characteristic lattice imperfections of the Gum Metal specimen. It is likely that the nanometer-sized ω phase may be a type of obstacle related to the restriction of the dislocation movement, which has been a significant problem in research on Gum Metal.

Original language	English
Pages (from-to)	628-633
Number of pages	6
Journal	Acta Materialia
Volume	57
Issue number	2
DOIs	https://doi.org/10.1016/j.actamat.2008.10.002
Publication status	Published - Jan 1 2009
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Polymers and Plastics
Metals and Alloys

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10.1016/j.actamat.2008.10.002

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Yano, T., Murakami, Y., Shindo, D., & Kuramoto, S. (2009). Study of the nanostructure of Gum Metal using energy-filtered transmission electron microscopy. Acta Materialia, 57(2), 628-633. https://doi.org/10.1016/j.actamat.2008.10.002

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