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一、“应变片-粘接剂”系统的蠕变电阻应变式传感器是迄今为止世界上应用得量大面广的传感器之一,目前已经能制造万分之二到十万分之五精确度的超精密型电阻应变式传感器。随着传感器基础机理研究的深入,已经清楚地认识到传感器的蠕变~*是影响传感器的精确度和长期稳定性的关键所在。理论探索和科学实验证明,电阻应变式传感器的蠕变主要是发生在“应变片-粘接剂”系统中。一般总认为良好的弹性体材料不可能有蠕变,其实所有的材料在负荷下均有蠕变现象,虽则
One, “strain gauge - adhesive ” system creep resistance strain sensor is by far the world’s application of large amount of wide range of sensors, has been able to manufacture two ten thousandths to five hundred thousandths Accuracy of the ultra-precision strain gauge sensor. With the deepening of the research on the basic mechanism of the sensor, it has been clearly recognized that the creep of the sensor ~ * is the key to the accuracy and long-term stability of the sensor. Theoretical exploration and scientific experiments show that the creep of the strain gauge sensor mainly occurs in the “strain gauge - adhesive” system. Generally considered as a good elastomer material can not have creep, in fact, all materials creep under load, though