(Solved): 1. Describe the essence of the pressented diagram. Mark the regions of existence of equilibrium pha ...

1. Describe the essence of the pressented diagram. Mark the regions of existence of equilibrium phases. Describe phase transiformations in the procéss of alloy cooling. 2. Détermine thr chemical composition and quantitative ratio of phases for an alloy of $$25\%$$ at a temperature of $$150^{?}\mathrm{C}$$. 3. Determine the chemical composition and quantitative ratio of phases for an álloy ôf $$75\%$$ ât á témperráturé of $$150^{?}\mathrm{C}$$. Cónštru? á cóóling curve for a 15\% alloy, determine the number of degrees of freedom at different sections of the cooling curve, and draw diagrams of the microstructures. 5. Explain the nature of the