Process of forming HA/ZrO 2 complex coating on...

Details Process of forming HA/ZrO 2 complex coating on... Process of forming HA/ZrO 2 complex coating on...

2006-04-18

2006-04-18

King, Roy (Department: 1742)

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Forming multiple superposed electrolytic coatings

C205S224000, C205S318000, C205S333000

Reexamination Certificate

active

07029566

ABSTRACT:
In a process of forming a HA/ZrO2complex coating on a Co—Cr—Mo alloy substrate, the substrate is subjected to electrolytic deposition respectively in a ZrO(NO3)2bath and a mixed solution of Ca(NO3)2.4H2O and NH4H2PO4to respectively form Zr(OH)4colloidal layer and Ca10(PO4)6(OH)2layer. Then, the substrate is subjected to a low-temperature sintering process to convert the two layers into a HA/ZrO2complex coating.

REFERENCES:
patent: 5480438 (1996-01-01), Arima et al.
patent: 5723038 (1998-03-01), Scharnweber et al.
patent: 5759376 (1998-06-01), Teller et al.
patent: 6645644 (2003-11-01), Schwartz et al.
patent: 2003/0099762 (2003-05-01), Zhang et al.

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