The Mystery of the Magical ‘Ulfberht’ Viking Sword – Researchers Close in on the German ‘Supermonks’ Believed to have Forged the Superstrong Weapons

“The Mystery of the Magical ‘Ulfberht’ Viking Sword – Researchers Close in on the German ‘Supermonks’ Believed to have Forged the Superstrong Weapons”

by Mark Prigg via “Daily Mail

It was the sword of choice for the discerning Viking – superstrong, and almost unbeatable in battle.

Yet mystery surrounds a small number of Viking swords researchers have uncovered.

They are all inscribed with a single word – ‘Ulfberht’, which experts believe may reveal their maker.

a single word - 'Ulfberht' - on the blade of a Viking sword. Experts believe a German monastry may have been responsible for the product of the superstrong weapons.

a single word – ‘Ulfberht’ – on the blade of a Viking sword. Experts believe a German monastry may have been responsible for the product of the superstrong weapons.

About 170 Ulfberhts have been found, dating from 800 to 1,000 A.D. They are made of metal so pure it baffled archaeologists, who thought the technology to forge such metal was not invented for another 800 or more years, during the Industrial Revolution.

About 170 Ulfberhts have been found, dating from 800 to 1,000 A.D. They are made of metal so pure it baffled archaeologists, who thought the technology to forge such metal was not invented for another 800 or more years, during the Industrial Revolution.

HOW A SWORD IS MADE

In the process of forging iron, the ore must be heated to 3,000 degrees Fahrenheit to liquify, allowing the blacksmith to remove the impurities, known as ‘slag’

Carbon is also mixed in to make the brittle iron stronger.

Medieval technology did not allow iron to be heated to such a high temperature, so slag was removed by pounding it out, a far less effective method.

The Ulfberht, however, has almost no slag, and it has a carbon content three times that of other metals from the time.

It was made of a metal called ‘crucible steel.’

It was thought that the furnaces invented during the industrial revolution were the first tools for heating iron to this extent.

According to Ancient Origins, researchers are now closing in on the mysterious maker.

‘New research brings us closer to the source of the swords, to the kiln in which these legendary weapons were forged,’ it claims.

About 170 Ulfberhts have been found, dating from 800 to 1,000 A.D.

They are made of metal so pure it baffled archaeologists, who thought the technology to forge such metal was not invented for another 800 or more years, during the Industrial Revolution.

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