Co$-$based alloys are commonly used for implants. Based on the Co$-$Mo phase diagram

shown in Fig. $2$:

What is the solubility of Molybdenum in $$ Cobalt and Cobalt in Molybdenum at

$1200C?(1$p$)$

If the nominal composition of the CoMo alloy is $x_{C_0}=0\mathrm{.}5$ and $T=800C,$ what phases are

in equilibrium and what are their compositions?$(1$p$)$

d$)$ Please explain the equilibrium $(\{$:$D_{\text{L}\text{i}\text{q}}=D_{\text{s}\text{o}\text{l}\text{i}\text{d}}=)$ solidification $($i$.$e$.$ the compositions and

amounts of phases as a function of temperature$)$ from $2800C$ to $400C$ when the nominal

conposition of the alloy is $x_{M0}=0\mathrm{.}92.(2$p$)$

d$)$ If microsegregation $(D_{\text{L}\text{i}\text{q}}=$ and $D_{\text{s}\text{o}\text{l}\text{i}\text{d}}=0)$ occurs, how would the solidification of the

same alloy $x_{Mo}=0\mathrm{.}92$ change? $(1$p$)$

Figure $2$ Co$-$Mo binary phase diagram