| abstract |
Disclosed herein is an article comprising a metal alloy; where the metal alloy comprises a base metal, a second element and a third element; where the base metal is magnesium, calcium, strontium, zinc, or a combination thereof; where the second element is chemically different from the third element; and where the second element and the third element are scandium, yttrium, gadolium, cerium, neodymium, dysporium, or a combination thereof; and a protective layer disposed upon the metal alloy and is reactively bonded to the metal alloy; where the protective layer comprises a base non-metallic derivative, a second non-metallic derivative and a third non-metallic derivative of metals present in the metal alloy; and where the base non-metallic derivative, the second non-metallic derivative and the third non-metallic derivative are all chemically different from one another. |