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Because it weakens the molecular bonds binding the metal together - potentially leading to catastrophic failure !

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Q: Why is intergranular corrosion considered dangerous in the metallic frames of the aircraft?
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Related questions

List 6 types of corrosion that effect aircraft?

Galvanic, pitting, concentration cell, intergranular, stress cracking, Uniform etch, crevis corrosion


How do aircraft manufacturers try to prevent corrosion?

since metal is a reactive metal,it is not resistant to corrosion(rusting).to prevent rusting we can: 1.galvanize iron.i.e.,coat Zn over iron. 2.greasing.i.e.,coat it with oil. 3.alloying.i.e.,making iron an alloy by mixing it with another substance. (example):-stain less steel is an alloy(Fe+Ni+Cr) and it is resistant to corrosion 4.electroplating


What occupations are considered to be the most dangerous?

Occupations that are considered the most dangerous include fishing, log working, and aircraft piloting. Fishermen often fall overboard and have their ships damaged. Loggers are often in high places and their work is extremely taxing on the body because of the required strength. Aircraft pilots work with helicopters and other aircraft, which are used usually in emergencies that can cause the pilot to die.


Why is titanium used in aircraft?

its lightIt is very strong and light at the same time, and is resistant to corrosion


How does corrosion endanger an aircraft's efficiency or reduce its margin of safety?

Corrosion on aircraft structures create pits in the metal, which can increase the stress and cause cracks to develope. However, modern aircraft have a safety factor included in their analysis of the lugs(holes) that allow for re-work of the bores. So the hole can be repaired without any impact on Margin of Safety. I'm not sure how it endangers an aircraft's efficiency. Corrosion is harmful to the metal strength like rust. At the end the metal might break apart.


What is a sudden and potentially dangerous loss of lift in an aircraft?

probably a stall, but they are not that dangerous, if you are trained to get out of them


Are volcanoes only dangerous if you are living close to them?

Volcanoes are also dangerous to aircraft flying near them.


What is a bonding line?

A conductor that joins metal aircraft components electrically, generally to reduce static charge and galvanic corrosion.


What tailstrikes really are?

As you can see that an aircraft is approaching the runway rapidly but not perfect they can be really dangerous. Tailstrikes are so dangerous.


What areas of an aircraft are prone to corrosion?

All parts of an aeroplane are subject to corrosion all the time. You can slow down the rates of corrosion by keeping air and moisture and contaminants away from the surface of the metals by applying paints or sealants. One of the worst places for corrosion is around the toilets and galleys. The water in these area's contain a lot of contaminants and if the paint coatings are not perfect, the corrosion begins, and aluminum will disintegrate very quickly. There are many types of corrosion. Corrosion can start from the inside of the metal, called inter granular corrosion. External paint wont stop this. All corrosion is bad and if not removed and reprotected will cause structures to fail.


Why is iron not used in aircraft?

it is known as a very dangerous substance and easy to rust


Can a dangerous tailstrike cause problems?

Yes, tailstrikes can cause damages or danger to an aircraft. Never try doing the tailstrike, it is really dangerous.