What happens to aluminum as it ages?

 

What happens to aluminum as it ages?

Everyone knows that aluminum is a durable metal. It's used in everything from soda cans to airplane frames because it resists corrosion and is lightweight. But what happens to aluminum as it ages? Does it become brittle and break easily? Or does it just slowly lose its shine? Let's take a closer look at the effects of age on aluminum.

Aluminum is an amazingly versatile metal. It's strong yet lightweight, making it perfect for everything from soda cans to airplane frames. And because it resists corrosion, aluminum is also used in products exposed to the elements, like gutters and Downspouts.

But what happens to aluminum as it ages? Does it become brittle and break easily? Or does it just slowly lose its shine?

It turns out that the answer is a bit of both. With time, aluminum does become weaker and more susceptible to breakage. However, this process is slow and gradual, and aluminum remains one of the most durable metals. The main reason for this is that aluminum oxide, which forms on the surface of the metal when it's exposed to air, actually protects the aluminum underneath from further corrosion.

However, over time, the aluminum oxide layer can become thick and cracked, allowing oxygen and water to reach the metal beneath and causing it to corrode. This is why you often see old aluminum surfaces that are dull and cloudy.

To prevent this from happening, manufacturers often coat aluminum with a clear lacquer or anodize it. Anodizing creates a thicker layer of aluminum oxide that is less likely to crack and peel.

So while aluminum may not be as strong as it once was, it's still tough enough for most applications. And thanks to that protective layer of aluminum oxide, it will continue to resist corrosion for years to come.

Conclusion:

Aluminum is an incredibly versatile metal thanks to its strength, lightweight, and corrosion resistance. And while it does become weaker with age, this process is slow and gradual. Thanks to the protective layer of aluminum oxide that forms on its surface, aluminum will continue to resist corrosion for years. So aluminum is a great option if you're looking for a durable metal that will stand the test of time.

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