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Materials Science
Explore questions in the Materials Science category that you can ask Sparky!
- A primary reason why ordinary or otherwise non-approved cleaningcompounds should not be used when washing aircraft is because their usecan result in
- Why is it important not to rotate the crankshaft after the corrosion preventive mixture has been put into the cylinders on engines prepared for storage?
- During what chemical action is metal united with oxygen and is considered adry corrosion?
- (1) In the corrosion process, it is the cathodic area or dissimilar cathodic material that corrodes.(2) In the Galvanic or Electro-Chemical Series for metals, the most anodic metals are those that will give up electrons most easily.Regarding the above statements, which is/are true?
- When an anodized surface coating is damaged in service, it can be partially restored by....
- Which of these materials is the most anodic?Cadmium.7075-T6 aluminum alloy.Magnesium.
- Select the solvent used to clean acrylics and rubber.
- An electrochemical process in which a metal is transformed into a chemicalcompound (returns to it's natural state) that generally has little strength iscalled
- Oxygen concentration cell corrosion forms in (____) areas.
- Concentration cell corrosion can occur at a joint of two metals even thoughthe two metals are the same material.
- Corrosion must never be removed from aluminum with steel brushes or with (____).
- Select the solvent recommended for wipedown of cleaned surfaces just before painting.Aliphatic naptha.Dry-cleaning solvent.Aromatic naptha.
- Formation of corrosion along the grain boundaries within an alloy is what type of corrosion?
- From the choices below, (____) is the most vulnerable metal to corrosive attack from salt solutions.
- Caustic cleaning products used on aluminum structures have the effect of producing....
- What may be used to remove corrosion from highly stressed steel surfaces?
- Which of these materials is the most anodic?
- Corrosion caused by two close fitting parts with relative motion between thetwo parts (rubbing).
- The interior surface of sealed structural steel tubing would be best protected against corrosion by which of the following?A: Charging the tubing with dry nitrogen prior to sealing.B: Evacuating moisture from the tubing before sealing.C: A coating of linseed oil
- Stiff wire brushes can be used to clean corrosion off of magnesium.