Effect of Mg Content and Heat Treatment on the Mechanical Properties of Low Pressure Die-Cast 380 Alloy

Figure 13

Fracture surface of fatigue samples of DCM3: (a) after solidification, (b) an enlarged image of (a), (c) following solutionizing treatment, and (d) after aging at 220°C for 20 h.

(a)

(b)

(c)

(d)