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純せん断試験による Mg 単結晶の非底面すべり挙動評価法確立と Y 添加の影響

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Title: 純せん断試験による Mg 単結晶の非底面すべり挙動評価法確立と Y 添加の影響
Other Titles: Pure-Shear Test for Investigation of Non-Basal Slip System Operation of Mg Alloy Single Crystal with and without Y
Authors: 峯田, 才寛1 Browse this author
三浦, 誠司2 Browse this author →KAKEN DB
向井, 敏司3 Browse this author
上田, 幹人4 Browse this author →KAKEN DB
毛利, 哲夫5 Browse this author
Authors(alt): Mineta, Takahiro1
Miura, Seiji2
Mukai, Toshiji3
Ueda, Mikito4
Mohri, Tetsuo5
Keywords: magnesium alloy
non-basal slip system
prismatic slip
single crystal
critical resolved shear stress (CRSS)
Issue Date: Oct-2013
Publisher: 日本金属学会
Journal Title: 日本金属学会誌
Journal Title(alt): Journal of the Japan Institute of Metals and Materials
Volume: 77
Issue: 10
Start Page: 466
End Page: 472
Publisher DOI: 10.2320/jinstmet.JAW201308
Abstract: In Mg alloys, the most favorable deformation mechanism is the basal slip, and extension twinning also contributes to plastic deformation. Other mechanisms such as prismatic slips, pyramidal slips and twinning except for extension twinning scarcely occur. However, these slip systems also contribute to the plastic deformation of poly crystal Mg alloys, so the determination of CRSS of such non-basal slip systems are inevitable as a basis for the prediction of the deformation behavior of poly-crystal Mg alloys. Because of the difficulty of the evaluation of CRSS for non-basal slip by conventional compression test, newly designed “Pure shear test” is applied to evaluate the CRSS of the prismatic slip Mg alloy single crystals containing Y. Also a modification of Bridgman method using LiF+LiCl is attempted to obtain a pure-Mg single crystal.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 上田 幹人

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