一种简便的压阻测压方法

王翔; 汪源浚; 傅秋卫; 王为

doi:10.11858/gywlxb.1998.03.013

一种简便的压阻测压方法

doi: 10.11858/gywlxb.1998.03.013

中物院流体物理研究所冲击波物理与爆轰物理实验室，四川成都 610003

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通讯作者:
王翔

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出版历程
- 收稿日期: 1998-03-27
- 修回日期: 1998-05-18
- 刊出日期: 1998-09-05

A Simple Method for Manganin Piezoresistance Measurement

Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Chengdu 610003, China

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Corresponding author: WANG Xiang

摘要

摘要: 介绍了用直流电压源和锰铜压力计测量压力的一种方法。该方法的测量电路非常简单，便于匹配，与以往传统的脉冲电源供电的测量方法相比，不仅可省去触发系统，而且由于流过压力计的电流很小（约20 mA），所产生的派生磁场对样品和飞片的磁化作用减少了两个数量级以上。同时此法也是一种低成本的压力测量方法。
- 锰铜压力计 /
- 压力测量 /
- 直流电压源 /
- 脉冲电源
Abstract: A method for manganin piezoresistance measurement that uses a D. C. power supply is described. This technique is very simple and easy to match. Compared with the conventional technique which uses pulse power supply, it not only omits the trigger system, but also can reduce the electromagnetic disturbance which is caused by the magnetic field derived from the current traversing in the gauge, because the current flowing over the gauge is very weak (about 20 mA). Furthermore, the technique is also a low cost method for dynamic pressure measurement.
- manganin stress gauge /
- stress measurement /
- D. C. power supply /
- pulse power supply

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参考文献(10)

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