Akademik

hard-face
\\ˈ ̷ ̷ˌ ̷ ̷\ transitive verb
: to weld a wear-resistant metal onto the surface of (a metal part)

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hard-face «HAHRD FAYS», transitive verb, -faced, -fac|ing.
to apply a treatment or coating to (a metallic surface) to make it harder or more wear-resistant.

Useful english dictionary. 2012.