There is reason to think that the quality of classic Muslim Damascus swords was due to both the Damascus process and the secret use of vanadium alloyed steel imported from India. The supply of such steel though was lost due to the disruption caused by the Muslim conquest of India.
sounds like you were in on that discussion.
Yes I also heard that india was the source of vanadium and the damascus process.
Sounds like the muslims killed the goose that laid the golden egg.