Fig. 3From: Characterization of the microstructural features and the rust layers of an archaeological iron sword in the Egyptian Museum in Cairo (380–500 A.D.)Stereomicroscope images of the corroded sword surface; a–d a ‘cotton ball’ shape of goethite corrosion products, e a deep cracks and flaking, f, g shiny blisters, h layer of wax used as protective coatingBack to article page