Effects of the Addition of Nb and V on the Microstructural Evolution and Hydrogen Embrittlement Resistance of High Strength Martensitic Steels

Figure 9

Diagram of bending and immersion experiments: (a) bending and (b) immersion test in 0.5 mol/L HCl solution. Images of (c) the tested sample as bending is fixed and (d) the tested sample after the immersion test with a fracture near the bending position.

(a)

(b)

(c)

(d)