CREEP OF SENSORS ELASTIC ELEMENTS - METALS VERSUS NONMETALS

被引：18

作者：

BETHE, K

BAUMGARTEN, D

FRANK, J

机构：

[1] Institute of Electrical Measurement and Fundamental Electrotechnics, Technical University, D-3300 Braunschweig

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 1990年 / 23卷 / 1-3期

关键词：

D O I：

10.1016/0924-4247(90)87044-J

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Sensors for the dynamometrical quantities force, pressure, acceleration, torque etc. usually are based on the 'spring balance principle', where an. Upon application of an abrupt change of the load, one observes a steplike immediate elastic response-plus some time-dependent aftereffect. This highl. (a) The thermoelastic effect, i.e. the change of temperature of an adiabatically deformed body, in turn causing a dimensional change of the spring-ev. (b) The pure anelastic effect which is caused by a redistribution of certain atoms in the deformed lattice. This anelasticity is a diffusion-dominated. This gradient enhancement of creep may increase the aftereffect of the homogeneously strained material by a factor of ten or more. Thus the creep of a. © 1990.

引用

页码：844 / 849

页数：6