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hazzey
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Why do beverage can tabs break when bent?

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Air
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Most people have had the experience of moving the tab of an aluminum can back and forth until it breaks off. It usually only takes a few complete back and forth motions before the tab breaks off.

Aluminum can with stay tab

What is the root cause of the tab breaking off?

The possible causes seem to be:

  • A fatigue fracture.
  • An overstressing of the metal.
  • A result of plastic deformation.

But which one is it?

Most people have had the experience of moving the tab of an aluminum can back and forth until it breaks off. It usually only takes a few complete back and forth motions before the tab breaks off.

Aluminum can with stay tab

What is the root cause of the tab breaking off?

The possible causes seem to be:

  • A fatigue fracture.
  • An overstressing the metal.
  • A result of plastic deformation.

But which one is it?

Most people have had the experience of moving the tab of an aluminum can back and forth until it breaks off. It usually only takes a few complete back and forth motions before the tab breaks off.

Aluminum can with stay tab

What is the root cause of the tab breaking off?

The possible causes seem to be:

  • A fatigue fracture.
  • An overstressing of the metal.
  • A result of plastic deformation.

But which one is it?

Made title less wordy.
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hazzey
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hazzey
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