Nondestructive Testing of Metallic Cables Based on a Homogenized Model and Global Measurements

Figure 11

(a) Quasi-static 𝐵𝐻-loops (0.5 Hz) for 𝐻≈ 1000 A/m and 𝐵≈ 0.2 T is a good approximation of the measured loop; (b) ellipse for 𝐻≈ 3000 A/m and 𝐵≈ 1.5 T is a worse approximation.

(a)

(b)