Abstract
The influence of tempering conditions and bulk Mo and V contents on the carbide phase changes in three low-alloy steels 2.5Cr, 2.5Cr-0.7Mo and 2.5Cr-0.7Mo-0.16V was investigated. Transmission electron microscopy (electron diffraction and EDX) was used to determine the type and chemical composition of carbide particles. The M₇C₃ carbide was considered to be the most stable in the investigated steels. The influence of both, the tempering conditions and the bulk Mo and V contents on carbide reactions preceding the M₇C₃ stabilization was quantified.

Key words
tempering conditions, Mo, V, carbide phase, Cr-Mo low-alloy steels, M₇C₃ carbide

Full text not available