Saga of Delhi's rustless wonder | HT Tech

Saga of Delhi's rustless wonder

Scientists want to undertake a systematic study to unfold the secret behind the strength of Delhi's 1,600-yr-old Iron Pillar.

| Updated on: May 28 2020, 11:01 IST

The Delhi Iron Pillar, which has withstood corrosion for over 1,600 years, continues to attract the attention of archaeologists and scientists who want to undertake a systematic study to unfold the secret behind its strength.

A panel of scientists from across the country has recommended that the Government allow research on the pillar, a symbol of Indian metallurgical excellence, to ascertain its age, as well as for conservation of its underground part and the passive film that has preserved it through the ages.

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'The Archaeological Survey of India has agreed to allow the use of well-established non-invasive techniques to ascertain as to when was the pillar built and its material aspects. But the efficacy of the techniques should be established by testing other ancient iron objects such as Iron Pillar at Dhar and Iron Beams at Konark,' Director, Indira Gandhi Centre for Atomic Research, Dr Baldev Raj, who was a member of the panel that made the recommendations, said.

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The panel had gathered here to review the status of scientific research on the pillar and make recommendations to the Government to initiate systematic scientific studies to gain more information about it.

Earlier studies, beginning in 1961, have thrown some light on the composition and the microstructure of the 'rustless wonder', but difference versions exist on the scientific dating of the pillar, Professor R Balasubramaniam, a scientist at IIT Kanpur who has conducted extensive research on the pillar, said.

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First Published Date: 13 Mar, 21:59 IST