Figure 2: Prepared moulds: a) graphite mould, b) steel mould, and c) first row Croning process moulds with different coatings, second row calcium silicate moulds with different coatings, and third row CO2 process moulds with different coatings

Figure 2: Prepared moulds: a) graphite mould, b) steel mould, and c) first row Croning process moulds with different coatings, second row calcium
silicate moulds with different coatings, and third row CO2 process moulds with different coatings