Evaluation of nickel-cobalt coating adhesion to fiberglass and carbon fiber–reinforced plastic by scratching
A nickel coating was deposited on samples from structural composite materials such as fiberglass and carbon plastic in the galvanic bath by the electrodeposition method and then the surface was scratched by the hardness meter under various degree of loading. The morphology of the scratches channels is studied; their width and depth depending on the applied load are measured. The calculations of tensions heading to local destructions are conducted using Viver’s formula. It is established that nickel-cobalt coating has high strength of adhesion with both kinds of composite materials; no chippage or exfoliation is detected. Work is executed within the frames of the complex scientific direction 13.2. «Constructional PСM» («The strategic directions of development of materials and technologies of their processing for the period till 2030»)
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