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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Molecular Dynamics Simulations of Shape-Memory Behavior Based on Martensite Transformation and Shear Deformation

http://hdl.handle.net/2237/9014
http://hdl.handle.net/2237/9014
caa80048-2f0b-42a1-abc0-009fe46ce8f2
名前 / ファイル ライセンス アクション
JSME_A49-3-300.pdf JSME_A49-3-300.pdf (1.2 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2007-11-16
タイトル
タイトル Molecular Dynamics Simulations of Shape-Memory Behavior Based on Martensite Transformation and Shear Deformation
言語 en
著者 UEHARA, Takuya

× UEHARA, Takuya

WEKO 20244

en UEHARA, Takuya

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TAMAI, Takato

× TAMAI, Takato

WEKO 20245

en TAMAI, Takato

Search repository
OHNO, Nobutada

× OHNO, Nobutada

WEKO 20246

en OHNO, Nobutada

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
権利
言語 ja
権利情報 日本機械学会
権利
言語 ja
権利情報 本文データは学協会の許諾に基づきCiNiiから複製したものである。
キーワード
主題Scheme Other
主題 Molecular Dynamics
キーワード
主題Scheme Other
主題 Shape-Memory Alloy
キーワード
主題Scheme Other
主題 Phase Transformation
キーワード
主題Scheme Other
主題 Martensite
キーワード
主題Scheme Other
主題 Computer Simulation
抄録
内容記述 Molecular dynamics simulations of the shape-memory effect are carried out to investigate the atomistic behavior during deformation and shape-recovery processes. The embedded-atom-method potential function and parameters for Ni-Al alloy are applied. The initial configurations of atoms are set on the lattice points of the martensite structure, in which the distribution of the variant orientation is limited to the two-dimensional direction for simplicity. When the shear load is imposed toward the x direction, parallel to the variant interface, the deformation of the variants occurs, and finally, all variants settle into the uniform orientation. The deformed state is maintained after the load is released, and the original shape is recovered through heating and cooling processes because of phase transformation to bcc and martensite. In the loading process, the stress-strain curve exhibits a zigzag shape consisting of repeated stress increase and abrupt release. The interval of the stress peak is revealed to be smaller as the model size becomes larger. Deformation observed in variant layers seems to occur at the same time at every points in the layer for a small model. However, the simulation with a large model indicates a nucleation and propagation behavior in each layer.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 The Japan Society of Mechanical Engineers
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://ci.nii.ac.jp/naid/110004798963/
ISSN
収録物識別子タイプ PISSN
収録物識別子 1344-7912
書誌情報 en : JSME international Journal Series A

巻 49, 号 3, p. 300-306, 発行日 2006-07
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/9014
識別子タイプ HDL
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