Assertion: barrier's purpose | /r/HasProperty | to protect the metal substrate
Facets:
value: from corrosion
type: TRANSITIVE-OBJECT
value: from oxidation
type: TRANSITIVE-OBJECT
value: from oxygen and corrosive elements
type: TRANSITIVE-OBJECT
Source sentences:
text: The primary purpose of the bond-coat is to protect the metal substrate from oxidation and corrosion, particularly from oxygen and corrosive elements that pass through the porous ceramic top-coat.