Abstract. Bells are musical instruments exposed to severe loading and stress conditions during ringing, when the clapper hits the bell. Thus, often fatigue cracks occur due to strong impact conditions or material insufficiencies.

What does a crack in a bell mean?

The bell acquired its distinctive large crack some time in the early 19th century—a widespread story claims it cracked while ringing after the death of Chief Justice John Marshall in 1835. … The bell was used as a symbol of freedom during the Cold War and was a popular site for protests in the 1960s.

How many times did the Liberty Bell crack?

The bell was repaired in 1846 and rung on February 23 for George Washington’s birthday celebration. On this date, after a few hours, the bell received its fatal crack and has not been rung since. There is no documentation as to why the bell cracked; we surmise that it cracked from over ninety years of continual use.