Question

thermal expansion of alpha, beta and gamma

Answer 1

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Answer 2

As plutonium is heated it transforms through six different crystal structures before melting — α [alpha], β [beta], γ [gamma], Δ [delta], Δ′ [delta prime], and ε [epsilon]. Physical properties like density andthermal expansion vary significantly from phase to phase making it one of the more difficult metals to machine and work.