In 1751, a large bell, called the Liberty Bell, was hung in the new Independence Hall of the Pennsylvania Provincial Assembly. Unfortunately, it cracked during the test strike and had to be recast twice. It was said that the bell was too brittle and couldn’t keep a loud, smooth sound for long. This wasn’t an isolated case, though. Around the world, many old bells can be seen with similar cracks found on the Liberty Bell.
The Big Question: Why Was the Bell Brittle?
Apparently, there’s more to making a bell than just melting and casting metal. There’s choosing the right metals to combine, deciding the amount of each metal in the alloy, and making the perfect cast. The first part of the process alone can be nerve-wracking, especially if you don’t have prior experience in metallurgy or at least in alloying metals. Read more from this article: http://bit.ly/2km5pT2
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