Assessment and evaluation of mobilities for diffusion in the bcc Cr-V-Fe system

• Assessments of diffusion mobility parameters are performed for the bcc Cr-V-Fe alloy systemby taking available literature data into account. The main focus is on the diffusion of V in thebcc phase where, in addition to all binaries, ternary interaction parameters are assessed. Anexperiment is performed in order to study the coarsening of V-rich MC carbide, where thediffusion of V is believed to be of major importance. The measured coarsening rate is comparedwith the rate calculated using DICTRA, and found to be in satisfactory agreement. Theaspects of coarsening experiments as a method to evaluate diffusion mobility data arediscussed.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)

ENGINEERING AND TECHNOLOGY  -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)

TEKNIK OCH TEKNOLOGIER  -- Materialteknik (hsv//swe)

ENGINEERING AND TECHNOLOGY  -- Materials Engineering (hsv//eng)

Keyword

assessment

carbide coarsening

Cr-V-Fe alloys

DICTRA simulation

diffusion mobility database

multicomponent diffusion

Publication and Content Type

ref (subject category)

art (subject category)