Nondestructive Testing and Health Monitoring Techniques for Structural Effective Prestress
Figure 3
Diagram of several types of ME sensors. (a) Traditional ME sensor with dual coils [65]. (b) Smart elastomagnetoelectric (EME) sensor [68]. (c) ME sensor with a self-induction coil [64]. (d) Resonance-enhanced magnetoelastic (REME) sensor [81].