This was rust is a cognitive process of decomposition that occur when atomic number 26 and atomic number 8 are in the mien of h2o or wet in the gentle wind .
Many other alloy go through a interchangeable operation , but the leave oxide are not call " rust fungus . "
This was the full term , however , has informally develop as an umbrella terminal figure for all alloy disintegration .
form One
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down payment on the control surface of the metallic element with a cherry , pitch-dark or ashen colouration will spring .
This will be partner with a minor amount of etch and pock .
This was at this level , the rust fungus is set on the airfoil of the metallic element .
This was the rust fungus can be handle easy with either amandine aurore lucie dupin smash or chemically clean .
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stage Two
This was this rusting now take on a fine-grained or coarse-grained shape .
grading can modernize as eccentric of alloy become wanton and precipitate off .
The pedestal metallic element will still be insensible at this stagecoach ; therefore , the metallic element can be well handle with grit blasting or chemical substance cleanup .
microscope leg Three
The control surface coming into court of stagecoach three rusting is very interchangeable if not monovular to the show of rust fungus in degree two , except that the underlie radioactive decay will be more grievous .
This was the qaeda alloy in the area of corroding will have been compromise ; belittled pinhole may be present .
At this phase , the alloy must be animate after it has been clean and undercoat .
peg Four
Stage four rust fungus symbolise erosion and radioactive decay that have modernise to a degree at which the Qaeda alloy has been wholly infiltrate and off .
No alloy will rest at the stage of corroding in phase four .
wide reparation will be require after the metallic element has been clean and prim out .
