Purity Effect of High-Strength Steel on Failure Behavior of Automobile Front Axle

Figure 13

Scanning electron microscope analysis of X-3. (a) The X-3 crack. (b) Micromorphology of the crack surface. (c, h) Energy spectrum analysis. (d, e) Crack micromorphology. (f) Cleavage characteristic. (g, i) Local crack morphology. (j) Copper-rich particles. (k) Energy spectrum analysis of iron oxide. (l) Energy spectrum analysis of copper-rich particles.

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