Stress Corrosion Cracking of a Forged Mg-Al-Zn Alloy with Different Surface Conditions

Figure 7

SEM micrographs of the AQ80M bare alloy with different strains: (a) 0.3σ_0.2 × 120 h, (b) 0.45σ_0.2 × 120 h, (c) 0.6σ_0.2 × 120 h, (d) 0.75σ_0.2 × 120 h, and (e) 0.75σ_0.2 × 240 h.

(a)

(b)

(c)

(d)

(e)