Fig. 4: Post-VHT images of various samples. | npj Materials Degradation

Fig. 4: Post-VHT images of various samples.

From: Applying laboratory methods for durability assessment of vitrified material to archaeological samples

Fig. 4

a Coupons of BA5 amphibolite melted at 1250 °C and 1400 °C, and of laboratory oxides of similar compositions after VHT for 24 days at 200 °C and (b) corresponding BSE-SEM of a cross section of BA5 1250 °C. c Coupons of 443 Granite melted at 1250 °C and 1400 °C, and of laboratory oxides of similar compositions after VHT, for 24 days at 200 °C (d) and corresponding SEM of a cross section of 443 Granite 1400 °C.

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