Direct observation of plastic deformation in iron-3% silicon single crystal by in situ nanoindentation in transmission electron microscopy

Ling Zhang; Takahito Ohmura; Kaoru Seikido; Kiyomi Nakajima; Toru Hara; Kaneaki Tsuzaki

doi:10.1016/j.scriptamat.2011.01.037

Direct observation of plastic deformation in iron-3% silicon single crystal by in situ nanoindentation in transmission electron microscopy

Ling Zhang, Takahito Ohmura, Kaoru Seikido, Kiyomi Nakajima, Toru Hara, Kaneaki Tsuzaki

Strength of materials

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

By making an indentation into a body-centered cubic single crystal of Fe-3% Si through the in situ nanoindentation in a transmission electron microscopy technique, we found that dislocations formed during the early stage involved not distinguishable pop-ins but small load fluctuations. The pop-in behavior was connected with the change of dislocation structures. The phenomenon was explained by the conventional strain rate model.

Original language	English
Pages (from-to)	919-922
Number of pages	4
Journal	Scripta Materialia
Volume	64
Issue number	9
DOIs	https://doi.org/10.1016/j.scriptamat.2011.01.037
Publication status	Published - May 2011

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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abstract = "By making an indentation into a body-centered cubic single crystal of Fe-3% Si through the in situ nanoindentation in a transmission electron microscopy technique, we found that dislocations formed during the early stage involved not distinguishable pop-ins but small load fluctuations. The pop-in behavior was connected with the change of dislocation structures. The phenomenon was explained by the conventional strain rate model.",

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AU - Nakajima, Kiyomi

AU - Hara, Toru

AU - Tsuzaki, Kaneaki

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