Three-Point Bending Fatigue Test of TiAl6V4 Titanium Alloy at Room Temperature

Figure 8

Initiation sites of fatigue crack on the free surface: (a) spec. no. 9, (b) spec. no. 7. Cleavage facets made by transcrystalline cleavage failure of the TiAl6V4 alloy grain at the fatigue crack initiation sites: (c) spec. no. 9; (d) spec. no. 7, details of the initiation site, SEM.

(a)

(b)

(c)

(d)