Expendable-mold, expendable-pattern processes include lost-foam and investment casting. In these… 1 answer below »

Expendable-mold,
expendable-pattern processes include lost-foam and investment casting. In these
processes, a pattern is consumed for each mold produced and the mold is destroyed
after each casting. Permanent-mold processes have molds or dies that can be
used to produce a large number of castings.

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