Mechanically induced waves in metallic glass foils

Mechanically induced waves in metallic glass foils
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金属玻璃箔中的机械感应波

DOI:
10.1016/j.matdes.2015.10.149
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发表时间:
2016
影响因子:
8.4
通讯作者:
A.R. Yavari
A.R. Yavari
中科院分区:
材料科学1区
文献类型:
--
作者:
N. Panagiotopoulos;M. Yousfi;K. Georgarakis;A.R. Yavari

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研究了陶瓷金属电弧箔在法向载荷作用下的响应。在初始弧形玻璃化金属箔上施加法向载荷之后,初始电弧倍增。正弦数学表达式可用于描述所产生的谐波波动。随着位移的增加,所形成的波的数量增加。因此,陶瓷箔的这种波动行为可以被利用为具有多个弹簧常数的片弹簧。为了比较,测试了结晶箔。玻璃化合金的巨大弹性区域允许这种波动响应广泛地发生,而当使用结晶箔时,塑性变形是不可避免的。利用金属玻璃的特性、所形成的波纹的预定极值位置和玻璃化箔的机械特性,提出了一种新型机电开关。
The response of vitrified metallic arc foils under normal load is studied. Application of normal load on an initial arc shaped vitrified metallic foil is followed by multiplication of the initial arc. A sinusoidal mathematical expression can be used for the description of the produced harmonic undulations. The number of the formed waves increases as the displacement increases. Therefore, this undulatory behavior of the vitrified foils can be exploited as a flat spring with multiple spring constants. For comparison crystalline foils were tested. The enormous elastic region of vitrified alloys allows this undulatory response to occur extensively while plastic deformation is unavoidable when crystalline foils are used. Exploiting the metallic glass characteristics, the predefined extrema positions of the formed undulations and the mechanical characteristics of the vitrified foils a new type of electromechanical switch is suggested.
准蛇腹形 MEMS 器件的高线性度和大弹簧偏转特性
DOI: 10.1016/j.mee.2014.02.016
发表时间: 2014
影响因子: 2.3
作者:
D. Grech;K. Kiang;J. Zekonyte;M. Stolz;R. Wood;H. Chong
通讯作者: H. Chong
科学家和工程师物理学:基础和联系,高级版,第 1 卷
DOI: --
发表时间: 2015
期刊:
影响因子: --
作者:
Debora M. Katz
通讯作者: Debora M. Katz