Influence of Microalloying Element on the Microstructure and Mechanical Properties of 34CrNiMo6 Steel for Wind Turbine Main Shaft

Figure 3

The metallographs of 34CrNiMo6 steel with different ratios of Al to N. (a) No Al element added. (b) The ratio of Al to N is 2.2. (c) The ratio of Al to N is 2.8. (d) The ratio of Al to N is 3.6.

(a)

(b)

(c)

(d)