As a subject matter expert in the field of fictional materials and their applications, particularly within the realm of comic books and superhero lore, I can provide you with an accurate answer regarding the composition of Wolverine's claws.
Wolverine's claws are made of a fictional metal alloy known as
Adamantium. Adamantium is depicted as one of the hardest substances in the Marvel Universe, second only to the fictional Uru metal used in Thor's hammer. It is virtually indestructible and has a melting point that exceeds the temperatures at which most materials would vaporize. This metal alloy is not only used for Wolverine's claws but also for other characters' weapons and armor in the Marvel Universe, such as Captain America's shield.
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