The
pillar of Delhi, erected by Chandragupta II Vikramaditya (375-413),
made up of 98% wrought iron of pure quality is a testament to the high
level of skill achieved by ancient Indian iron smiths in the extraction
and processing of iron. It has attracted the attention of archaeologists
and metallurgists as it has withstood corrosion for the last 1600
years, despite harsh weather.
Metallurgists at IIT Kanpur have claimed that a thin layer of "misawite", a compound (amorphous phase d-FeOOH) of iron, oxygen, and hydrogen, has protected the wrought iron pillar from rust. PROUD TO BE BORN IN INDIA..
Metallurgists at IIT Kanpur have claimed that a thin layer of "misawite", a compound (amorphous phase d-FeOOH) of iron, oxygen, and hydrogen, has protected the wrought iron pillar from rust. PROUD TO BE BORN IN INDIA..
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