Fabrication of Helical Nanostructures by Misfit Strain

通过错配应变制造螺旋纳米结构

• 批准号: 20360049
• 负责人: MURAOKA Mikio
• 金额: $ 12.48万
• 依托单位: Akita University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2008
• 资助国家: 日本
• 起止时间: 2008 至 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20360049/
• 关键词: ナノコイル; 被覆ナノワイヤ; 不整合ひずみ; コア流動; 自己変形; ナノ材料; 曲げ加工; 真性ひずみ; クリープ流動; 金属膜; 融点; 格子不整合; ナノスクリュー; 製膜; 残留応力; 不整合度; 分子動力単; 3軸ステージ

A permanently bending technique of nanowires (NWs) was developed using misfit strain due to dissimilar material coating. The driving force of the bending is the residual stress. The novel mechanical process relies on a bending enhancement, where an NW's constraint against the bending deformation is removed by elevating temperature for inducing creep flow only in the NW. Theoretical investigations were also made in terms of molecular dynamics simulations and continuum mechanics. Furthermore, a manipulator was built for gripping and positioning an NW. With a help of the manipulator, the bending technique demonstrated the fabrication of micro/nanocoils.

利用不同材料涂层引起的失配应变，发展了一种永久性弯曲纳米线技术。弯曲的驱动力是残余应力。这一新的力学过程依赖于弯曲强化，其中通过提高温度来消除NW对弯曲变形的约束，从而仅在NW中诱导蠕变流动。并从分子动力学模拟和连续介质力学两个方面进行了理论研究。此外，还建造了一个机械手来抓取和定位NW。在机械手的帮助下，弯曲技术演示了微/纳米线圈的制造。

项目成果

Displacement amplifier for piezoelectric actuator based on honeycomb link mechanism

• DOI: 10.1016/j.sna.2009.10.024
• 发表时间: 2010-01-01
• 期刊: SENSORS AND ACTUATORS A-PHYSICAL
• 影响因子: 4.6
• 作者: Muraoka, Mikio;Sanada, Shin
• 通讯作者: Sanada, Shin

コア流動を利用した金属被覆ナノワイヤのコイル形成

使用核心流形成金属涂层纳米线的线圈

• 发表时间: 2010
• 作者: 徳悠葵;村岡幹夫
• 通讯作者: 村岡幹夫

Enhanced Bending of Coated Nanowires Using Viscous Flow of Core Material : Production of Nanoinductance

利用核心材料的粘性流动增强涂层纳米线的弯曲：纳米电感的生产

• 发表时间: 2010
• 作者: Y. Toku;M. Muraoka
• 通讯作者: M. Muraoka

Nano Machining by Rubbing at Ultrasonic Frequency under Controlled Shear Force

在受控剪切力下通过超声波摩擦进行纳米加工

• 发表时间: 2006
• 期刊: Proc. International Conference on Advanced Mechanical Engineering and Mechanics 2006(CD-ROM) SD73
• 作者: Y.Ju (T.Kobayashi;H.Soyama);B. -F. Ju (Y. Ju and M. Saka);B. -F. Ju (Y. Ju and M. Saka);B.-F. Ju(Y. Ju and M. Saka);M. Saka(R. Nakanishi);M. Muraoka(H. Ishikawa)
• 通讯作者: M. Muraoka(H. Ishikawa)

Manipulation of Nanowires by Chopsticks

用筷子操纵纳米线

• 发表时间: 2011
• 作者: K. Kobayashi;Y. Toku and M. Muraoka
• 通讯作者: Y. Toku and M. Muraoka