Materials Science Questions
Explore questions in the Materials Science category that you can ask Spark.E!
Which of the following may not be detectable even by careful visual inspection of the surface of aluminum alloy parts or structures?
Galvanizing protects steel by covering it with a layer of ____.
An electrochemical process in which a metal is transformed into a chemical compound (returns to it's natural state) that generally has little strength is called
Which of the following should not be used to clean acrylic plastics and rubber
Which of these materials is the most anodic?
Welding flux on aluminum alloy may be removed by washing it with (______).
The appearance of a powder on the surface of a piece of aluminum alloy that has been treated with Alodine is an indication of improper application. How do you correct this?
Stiff [______] brushes can be used to remove corrosion from magnesium surfaces.
Florida weather is worse than Oklahoma
We do not use wire brushes on (___) because they cause minute scratches that can produce stress and weaken the part.
After the corrosion has been mechanically removed from an aluminum alloy, the surface should be neutralized by treating it with a 5% solution of (____).
Clad aluminum is protected from corrosion by a layer of (____) on the aluminum alloy core.
Welded steel tube engine mounts are protected from internal corrosion by coating the inside of the tubing with hot (___).
Before joining dissimilar metals they are prepared by spraying two coats of (____) primer and placing a strip of (_____) tape between the surface before they are assembled.
Magnesium (___) naturally form a protective oxide coating on it surface.
Name 3 types of primers that may be used to protect a metal surface from corrosion and provide a good bond for the topcoat.
Filiform corrosion usually forms under what paint system?
Microbial growth in the fuel tanks of a turbine power aircraft may cause corrosion by holding (___) against the aluminum alloy structure
A spot weld seam may be inspected for corrosion by placing a [______] over the seam and checking it for any indication of bulging between the spots
Nickel- and Chrome- plating protect a steel part from corrosion by preventing ____ and ____ from reaching the surface of the metal.