Electrical resistance measurement of RuO2 dispersed glass composites during tensile loading
Electrical resistance measurement of RuO2 dispersed glass composites during tensile loading
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DOI：
10.1016/j.matlet.2004.10.001
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发表时间：
2005-02
影响因子：
3
通讯作者：
B. Jang;H. Matsubara
中科院分区：
文献类型：
--
作者：
B. Jang;H. Matsubara
在850℃的烧结条件下，成功地制备了导电复合材料，其中的氧化钌颗粒分散在玻璃基体中。通过对导电玻璃基复合材料进行拉伸试验和电阻测量，实时研究了导电玻璃基复合材料的传感效能。电阻变化随应变的增加而显著增加。结果表明，在低应变范围内电阻变化的优异灵敏度是由于玻璃基体脆性断裂导致的若o2颗粒间传导路径的微断裂或变形所致。在循环加载过程中的电阻行为的特征是随着每个负载循环而增加的残余电阻。
Electrical conductive composites, in which RuO2particles are dispersed throughout a glass matrix, have been successfully fabricated by sintering at 850 °C. The sensing efficacy of conductive glass matrix composites was investigated in real time by subjecting samples to tensile tests and measuring its electrical resistance. The electrical resistance change increased remarkably with increasing strain. It is shown that the excellent sensitivity of the electrical resistance change in the low strain range is attributed to microbreakage or deformation of conduction paths between RuO2particles due to brittle fracture of the glass matrix. The electrical resistance behavior during cyclic loading is characterized by a residual electrical resistance that increases with each load cycle.