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  1. B200 工学部/工学研究科
  2. B200b 紀要
  3. Memoirs of the Faculty of Engineering, Nagoya University
  4. 28(1)

In situ dynamic observations of dislocation behaviour in metals and alloys by high voltage electron microscopy

https://doi.org/10.18999/memfenu.28.1.54
https://doi.org/10.18999/memfenu.28.1.54
5cf4a47a-7dd3-42dc-9f7c-e8f633e6aa8c
名前 / ファイル ライセンス アクション
28-1-02.pdf 28-1-02.pdf (16.0 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2020-11-24
タイトル
タイトル In situ dynamic observations of dislocation behaviour in metals and alloys by high voltage electron microscopy
言語 en
著者 Imura, Toru

× Imura, Toru

WEKO 102312

en Imura, Toru

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Saka, Hiroyasu

× Saka, Hiroyasu

WEKO 102313

en Saka, Hiroyasu

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 In order to study the dynamical properties of dislocations, a new direct method is developed which is based on the in-situ deformation experiment in a HVEM. Various types of device for in-situ deformation of foil specimens under observation in a HVEM are developed. These devices allow the continuous recording of the dynamical behaviour of individual dislocations in the stressed crystals in the temperature range from 77K to 1123K, with the stress-strain curve being recorded simultaneously. The motion of edge and screw dislocations is observed in thick foil specimens of Fe, Fe-3%Si, Mo and Ni being stretched (or extended and compressed alternately) at various temperatures in a HVEM operated at 400 kV-1000 kV. By establishing a direct correlation between the dynamical behaviour of individual dislocations and the stress-strain behaviour of these crystals, the mobility, the multiplication and the interaction of dislocations are investigated. The strengthening mechanisms and the character of resistive forces which control principally the motion of dislocations in the different types of crystals (bcc or fcc) under the different experimental conditions (tension or compression, low or high temperature, irradiated or unirradiated etc.) are discussed.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Faculty of Engineering, Nagoya University
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/memfenu.28.1.54
ID登録タイプ JaLC
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0027-7657
書誌情報 en : Memoirs of the Faculty of Engineering, Nagoya University

巻 28, 号 1, p. 54-112, 発行日 1976-11-30
著者版フラグ
値 publisher
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