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Person

Toshiyasu Misawa

A person wearing glasses, a brown blazer over a light blue shirt, stands against a plain background.

Japanese corrosion scientist who, in a series of papers in the 1970s, characterised the amorphous and crystalline iron oxyhydroxides that form on weathering steels exposed to alternating wet and dry conditions. The phosphate-bearing protective phase later identified on the Delhi pillar was named misawite in recognition of his foundational work on how such films grow and stabilise.

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