Treatment for improved magnesium surface corrosion-resistance
First Claim
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1. A composition useful for treating of a metal or metal alloy surface comprising:
- a. hydrogen fluoride (HF);
b. a nonionic surfactant; and
c. water.
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Abstract
A method, a composition and a method for making the composition for increasing the corrosion resistance of a magnesium or magnesium alloy surface is disclosed. The composition is a water/organic solution of one or more hydrolyzed silanes. By binding silane moieties to the magnesium surface, an anti-corrosion coating on a magnesium workpiece is produced. A complementary method, composition and method for preparing the composition for treating a metal surface to increase corrosion resistance is disclosed. The composition is an aqueous hydrogen fluoride solution with a non-ionic surfactant.
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Citations
25 Claims
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1. A composition useful for treating of a metal or metal alloy surface comprising:
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a. hydrogen fluoride (HF);
b. a nonionic surfactant; and
c. water. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of treating a workpiece comprising:
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a. providing a surface of the workpiece, said surface chosen from the group consisting of magnesium and magnesium alloy; and
b. contacting said surface with a treatment solution, said treatment solution including hydrogen fluoride (HF) and a nonionic surfactant in an aqueous solution. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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- 22. A method for the preparation of a treatment solution useful for the treating of a magnesium or magnesium alloy surface comprising combining hydrogen fluoride (HF) and a nonionic surfactant with water.
Specification