Substrate coated with a layered structure comprising a...

Details Substrate coated with a layered structure comprising a... Substrate coated with a layered structure comprising a...

2011-05-24

2011-05-24

Turner, Archene (Department: 1784)

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

C427S577000, C428S213000, C428S698000, C428S701000, C428S702000

Reexamination Certificate

active

07947372

ABSTRACT:
The invention relates to a metal substrate coated at least partially with a layered structure. The layered structure comprises an intermediate layer deposited on the metal substrate and an amorphous carbon layer deposited on the intermediate layer. The amorphous carbon layer has a Young's modulus lower than 200 GPa. The intermediate layer comprises a tetrahedral carbon layer having a Young's modulus higher than 200 GPa. The invention further relates to a method to reduce the wear on a counterbody of a metal substrate coated with a tetrahedral carbon coating.

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