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Heritage Science
Fig. 5 | Heritage Science

Fig. 5

From: Characterization of the microstructural features and the rust layers of an archaeological iron sword in the Egyptian Museum in Cairo (380–500 A.D.)

Fig. 5

The cross-section under the optical microscope: a the two layers of DPL and TM which can be distinguished based on their colors, b light yellow phase as a main phase of DPL layer and the strips of the light marbling phase, c areas of an orange phase, d–g some important aspects of DPL; yellow, red and green corrosion spots as evidence of the active corrosion and many microcracks

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