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Using high-resolution electron microscopy, we have found in a sample of Damascus sabres from the 17th century both cementite nanowires and carbon nanotubes. These might be the missing link between the banding and ancient recipes to make that ultrahigh carbon steel. The sample considered belonged to the wootz-type of Damascus steel which is fundamentally different from welded Damast. The nanotubes...
The long-lasting search for the recipes of making the legendary Damascus swords may become a new direction by our finding that a genuine Damascus sabre contains a high density of cementite nanowires, which interact with dislocations and which might have influenced the nucleation of perlite. The nanohardness as measured separately for cementite and perlite indicated striking differences in the inelastic...
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