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Copper surface metal clips embedded ceramic composite coating technology research

Author: SunLiYue
Tutor: MaZhuang
School: Liaoning Technical University
Course: Materials Processing Engineering
Keywords: Copper Thermochemical reaction Metal clip embedded ceramic composite coating Corrosion resistance Wear
CLC: TG174.44
Type: Master's thesis
Year: 2009
Downloads: 61
Quote: 2
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Abstract


In this paper, thermo-chemical reaction in the copper surface was prepared by thermal chemical reaction ceramic coating , and on this basis, using the thermo-chemical reaction of aluminum and powder pack cementation Combination prepared on the surface of the copper inlay ceramic composite coated metal clip layer was studied two coatings preparation process , by SEM and XRD analysis of the coating microstructure and phase composition , the compactness of the coatings , bonding strength , corrosion resistance, wear resistance. The results showed that: thermochemical reactions ceramic coating and the metal clip embedded ceramic composite coating after heat curing has generated a new phase . Copper heat chemical reaction at 700 ℃ ceramic coating is 11 times the number of thermal shock , the coating and the substrate binding strength of 6.75MPa, the corrosion resistance of the matrix 3.94 ~ 6.33 times the wear resistance of the matrix 2.85 ~ 6.95 times . Metal clip embedded ceramic composite coating at 700 ℃ thermal shock up to 30 times or more, the coating and the substrate binding strength of 8.50MPa, the corrosion resistance of the matrix 6.31 ~ 17.26 times the wear resistance of the matrix 3.67 ~ 10.43 times . Copper inlay ceramic composite coating metal clip overall performance is better than copper heat chemical reaction ceramic coating.

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metallurgy and Heat Treatment > Metal corrosion protection,metal surface treatment > Corrosion control and protection > Metal surface protection technology > Metal complex layer of protection
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