X-rays are a non-destructive way of exploring metal archaeological finds in more detail. They allow our finds specialists to reveal the true form of heavily corroded items and get a glimpse of the very fabric of an object, meaning they can better understand how it was made, its condition and see features that aren’t necessarily visible to the naked eye.
https://molaheadland.com/how-are-x-rays-helping-archaeologists-identify-finds-from-a14c2h/