On a New Kinetic Modelling Approach of the Irreversible Quasi-Surface Metallurgical Phase Transformations

Figure 2

Schematic diagram of the yield criterion 𝑌 associated with the irreversible quasi-surface solid/solid phase transformation in the plane (𝜎^𝑣𝑚,𝑃,𝑇) with 𝜎_𝑦=𝜎₀=𝜎₀exp[−𝛼₁(𝑇−𝑇₀)/𝑇₀] and 𝑧=0 (i.e., 𝛁𝑧=𝚫𝑧=𝟎).