Coal-tar strain gauge sensor

GF up to 254

Transforms low-value coal tar into high-performance flexible strain sensors for road and bridge monitoring.

Huang, Jincai · Zhang, Man · Zhao, Yixin · Tan, Qiulin · Zang, Xining

Microsystems and Nanoengineering 2024

Advantages

maximum gauge factor of 15.20 for tension

maximum gauge factor of 254.17 for compression