A piezoelectric single crystal traveling wave step motor for low-temperature application

被引：38
作者：
Dong, Shuxiang [1 ,2 ]
Yan, Li [2 ]
Viehland, D. [2 ]
Jiang, Xiaoning [3 ]
Hackenberger, Wesley S. [3 ]
机构：
[1] Peking Univ, Adv Mat & Nanotechnol, Coll Engn, Beijing 100871, Peoples R China
[2] Virginia Tech, Blacksburg, VA 24061 USA
[3] TRS Technol Inc, State Coll, PA 16801 USA
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 15期
基金：
美国国家航空航天局;
关键词：
D O I：
10.1063/1.2908963
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A piezoelectric Pb(Mg(1/3)Nb(2/3))O(3)-PbTiO(3) single crystal traveling wave rotary motor operated in a stepping motion for cryogenic actuations was developed and characterized. This single crystal stepping motor had a torque of >= 1.5 kg cm, an excess of 1800 steps per revolution about its axis, and a power consumption of <= 2 W by using a step motion with 25% duty cycle. We then show that this single crystal motor can successfully operate at 77 K (liquid nitrogen) under a load. (c) 2008 American Institute of Physics. (c) 2008 American Institute of Physics.
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页数：3
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