Intergranular corrosion (IGC) and intergranular stress corrosion cracking (IGSCC) resistance improvement method for metallic alloys

A method, structure, and/or material composition associated with overetching a structure or allow of interest to deplete magnesium content at and in a vicinity of grain boundaries which mitigates or prevents corrosion including, for example, intergranular corrosion (IGC) and/or intergranular stress...

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Bibliographic Details
Main Authors BARSUN H. FRED, CLARK STEVEN D, DESHPANDE NISHKAMRAJ U
Format Patent
LanguageEnglish
Published 14.07.2015
Subjects
ALLOYS
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PERFORMING OPERATIONS
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:A method, structure, and/or material composition associated with overetching a structure or allow of interest to deplete magnesium content at and in a vicinity of grain boundaries which mitigates or prevents corrosion including, for example, intergranular corrosion (IGC) and/or intergranular stress corrosion cracking (IGSCC). Another aspect of the invention can include a process and material composition associated with providing a particular coating having a number of material properties. Additional steps, material composition(s), and/or exemplary structure(s) can also be provided which provides a nano coating over the depletion zone having a first coating in accordance with another embodiment of the invention.
Bibliography:Application Number: US201414246797