Patent ID: 7244514

Claim:
A corrosion resistant part that is exposed to a corrosive environment when in normal use, wherein the part comprises: a part main body, wherein the part main body comprises an aluminum alloy with a normal portion and a flawed portion; wherein the part main body has a recess forming the flawed portion; an alumite layer comprising: a normal portion alumite layer disposed on the normal portion, wherein the normal portion alumite layer has a thickness between approximately 0.5 microns and approximately 5.0 microns; and a flawed portion alumite layer disposed on the flawed portion; an ionic resin corrosion resistant layer, wherein the corrosion resistant layer comprises: a normal portion corrosion resistant layer disposed on the normal portion, wherein the normal portion corrosion resistant layer has a thickness less than or equal to approximately 5 microns; and a flawed portion corrosion resistant layer disposed on the flawed portion.