摘要:
A method of producing oxide ceramic layers on Al, Mg, Ti, Ta, Zr, Nb, Hf, Sb, W, Mo, V, Bi or their alloys by a plasma-chemical anodical oxidation in a chloride-free electrolytic bath having a pH value of 2 to 8 and a constant bath temperature of -30.degree. to +15.degree. C. A current density of at least 1 A/dm.sup.2 is maintained constant in the electrolytic bath until the voltage reaches a predetermined end value.
摘要:
A method of producing oxide ceramic layers on Al, Mg, Ti, Ta, Zr, Nb, Hf, Sb, W, Mo, V, Bi or their alloys by a plasma-chemical anodical oxidation in a chloride-free electrolytic bath having a pH value of 2 to 8 and a constant bath temperature of -30.degree. to +15.degree. C. A current density of at least 1 A/dm.sup.2 is maintained constant in the electrolytic bath until the voltage reaches a predetermined end value.
摘要:
A medical implant comprises a biodegradable magnesium-based alloy of which at least a part of its surface layer comprises a magnesium carbonate. A method for the manufacture of a biocompatible, corrosion-inhibiting protective surface layer on a medical implant comprising a magnesium-based alloy, comprises: providing an implant comprising a magnesium-based alloy to be coated; placing the implant into a reactor chamber; exposing at least part of the surface of said implant to an atmosphere comprising humid carbon dioxide to produce a coating on the surface of the implant comprising a magnesium carbonate of the formula x MgCO3.y Mg (OH)2, whereby x+y=1; removing the implant from the reactor chamber; and drying the surface of the implant.
摘要翻译:医疗植入物包括其表面层的至少一部分包含碳酸镁的可生物降解的镁基合金。 一种用于在包括镁基合金的医用植入物上制造生物相容性腐蚀抑制保护性表面层的方法,包括:提供包含待涂覆的镁基合金的植入物; 将植入物置于反应室中; 将所述植入物的表面的至少一部分暴露于包含潮湿二氧化碳的气氛中,以在植入物表面上产生包含式x MgCO 3 y Mg(OH)2的碳酸镁的涂层,由此x + y = 1 ; 从反应器室移除植入物; 并干燥植入物的表面。
摘要:
The invention relates to a method for producing corrosion-inhibiting coatings on an implant made of a biocorrodible magnesium alloy and to implants obtained or obtainable according to the method.
摘要:
A method for producing a corrosion-inhibiting coating on an implant made of a biocorrodible magnesium alloy, the method comprising providing the implant; and treating the implant surface using an aqueous or alcoholic conversion solution containing one or more ions selected from the group consisting of K+, Na+, NH4+, Ca2+, Mg2+, Zn2+, Ti4+, Zr4+, Ce3+, Ce4+, PO43−, HPO42−, H2PO4−, OH−, B33−, B4O72−, SiO32−, MnO42−, MnO4−, VO3−, WO42−, MoO42−, TiO32−, Se2−, ZrO32−, and NbO4−, wherein the concentration of the ion or ions is in the range of from 0.01 mol/l to 2 mol/l. An implant produced by this method is also disclosed.
摘要:
A medical implant comprises a biodegradable magnesium-based alloy of which at least a part of its surface layer comprises a magnesium carbonate. A method for the manufacture of a biocompatible, corrosion-inhibiting protective surface layer on a medical implant comprising a magnesium-based alloy, comprises: providing an implant comprising a magnesium-based alloy to be coated; placing the implant into a reactor chamber; exposing at least part of the surface of said implant to an atmosphere comprising humid carbon dioxide to produce a coating on the surface of the implant comprising a magnesium carbonate of the formula x MgCO3·y Mg (OH)2, whereby x+y=1; removing the implant from the reactor chamber; and drying the surface of the implant.