Fig. 7 | Scientific Reports

Fig. 7

From: Research and application of multi-frequency electromagnetic technology in real-time online characterization of steel microstructures and mechanical properties

Fig. 7

(a) Universal tensile testing machine experimental procedure (b) SEM test diagram of Q235 fracture (c) SEM test diagram of Q355 fracture (d) relationship between strength of Q235 sample and ferritic phase fraction (e) relationship between strength of Q235 sample and inductive reactance (f) relationship between strength of Q355 sample and ferritic phase fraction (g) relationship between strength of Q355 sample and inductive reactance.

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