Novel -75°C SEM cooling stage: Application for martensitic transformation in steel

Kaneaki Tsuzazki; Motomichi Koyama; Ryosuke Sasaki; Keiichiro Nakafuji; Kazushi Oie; Akinobu Shibata; Takashi Gondo; Hiroya Miyazaki; Hiroshi Akamine; Minoru Nishida

doi:10.1093/jmicro/dfaa051

Novel -75°C SEM cooling stage: Application for martensitic transformation in steel

Kaneaki Tsuzazki, Motomichi Koyama, Ryosuke Sasaki, Keiichiro Nakafuji, Kazushi Oie, Akinobu Shibata, Takashi Gondo, Hiroya Miyazaki, Hiroshi Akamine, Minoru Nishida

金属材料研究所・材料設計研究部

研究成果: Article › 査読

1 被引用数 (Scopus)

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Microstructural changes during the martensitic transformation from face-centred cubic (FCC) to body-centred cubic (BCC) in an Fe-31Ni alloy were observed by scanning electron microscopy (SEM) with a newly developed Peltier stage available at temperatures to -75°C. Electron channelling contrast imaging (ECCI) was utilized for the in situ observation during cooling. Electron backscatter diffraction analysis at ambient temperature (20°C) after the transformation was performed for the crystallographic characterization. A uniform dislocation slip in the FCC matrix associated with the transformation was detected at -57°C. Gradual growth of a BCC martensite was recognized upon cooling from -57°C to -63°C.

本文言語	English
ページ（範囲）	250-254
ページ数	5
ジャーナル	Microscopy
巻	70
号	2
DOI	https://doi.org/10.1093/jmicro/dfaa051
出版ステータス	Published - 2021 4月 1

ASJC Scopus subject areas

構造生物学
器械工学
放射線学、核医学およびイメージング

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10.1093/jmicro/dfaa051

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title = "Novel -75°C SEM cooling stage: Application for martensitic transformation in steel",

abstract = "Microstructural changes during the martensitic transformation from face-centred cubic (FCC) to body-centred cubic (BCC) in an Fe-31Ni alloy were observed by scanning electron microscopy (SEM) with a newly developed Peltier stage available at temperatures to -75°C. Electron channelling contrast imaging (ECCI) was utilized for the in situ observation during cooling. Electron backscatter diffraction analysis at ambient temperature (20°C) after the transformation was performed for the crystallographic characterization. A uniform dislocation slip in the FCC matrix associated with the transformation was detected at -57°C. Gradual growth of a BCC martensite was recognized upon cooling from -57°C to -63°C. ",

keywords = "ECCI, SEM, cooling stage, in situ electron microscopy, martensitic transformation, steel",

author = "Kaneaki Tsuzazki and Motomichi Koyama and Ryosuke Sasaki and Keiichiro Nakafuji and Kazushi Oie and Akinobu Shibata and Takashi Gondo and Hiroya Miyazaki and Hiroshi Akamine and Minoru Nishida",

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year = "2021",

month = apr,

day = "1",

doi = "10.1093/jmicro/dfaa051",

language = "English",

volume = "70",

pages = "250--254",

journal = "Microscopy (Oxford, England)",

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TY - JOUR

T1 - Novel -75°C SEM cooling stage

T2 - Application for martensitic transformation in steel

AU - Tsuzazki, Kaneaki

AU - Koyama, Motomichi

AU - Sasaki, Ryosuke

AU - Nakafuji, Keiichiro

AU - Oie, Kazushi

AU - Shibata, Akinobu

AU - Gondo, Takashi

AU - Miyazaki, Hiroya

AU - Akamine, Hiroshi

AU - Nishida, Minoru

PY - 2021/4/1

Y1 - 2021/4/1

N2 - Microstructural changes during the martensitic transformation from face-centred cubic (FCC) to body-centred cubic (BCC) in an Fe-31Ni alloy were observed by scanning electron microscopy (SEM) with a newly developed Peltier stage available at temperatures to -75°C. Electron channelling contrast imaging (ECCI) was utilized for the in situ observation during cooling. Electron backscatter diffraction analysis at ambient temperature (20°C) after the transformation was performed for the crystallographic characterization. A uniform dislocation slip in the FCC matrix associated with the transformation was detected at -57°C. Gradual growth of a BCC martensite was recognized upon cooling from -57°C to -63°C.

AB - Microstructural changes during the martensitic transformation from face-centred cubic (FCC) to body-centred cubic (BCC) in an Fe-31Ni alloy were observed by scanning electron microscopy (SEM) with a newly developed Peltier stage available at temperatures to -75°C. Electron channelling contrast imaging (ECCI) was utilized for the in situ observation during cooling. Electron backscatter diffraction analysis at ambient temperature (20°C) after the transformation was performed for the crystallographic characterization. A uniform dislocation slip in the FCC matrix associated with the transformation was detected at -57°C. Gradual growth of a BCC martensite was recognized upon cooling from -57°C to -63°C.

KW - ECCI

KW - SEM

KW - cooling stage

KW - in situ electron microscopy

KW - martensitic transformation

KW - steel

UR - http://www.scopus.com/inward/record.url?scp=85102977873&partnerID=8YFLogxK

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U2 - 10.1093/jmicro/dfaa051

DO - 10.1093/jmicro/dfaa051

M3 - Article

C2 - 32901813

AN - SCOPUS:85102977873

VL - 70

SP - 250

EP - 254

JO - Microscopy (Oxford, England)

JF - Microscopy (Oxford, England)

SN - 2050-5698

IS - 2

ER -

Novel -75°C SEM cooling stage: Application for martensitic transformation in steel

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