Abstract
A fragment of steel from a detonated M107 projectile was examined in order to determine whether the temperature produced by the explosion was extreme enough to melt the bronze rotating band. There was an environmental concern that the detonation temperature may have been high enough to melt and/or vaporize the bronze alloy. Extensive metallographic analysis, hardness testing and scanning electron microscopy were conducted in an attempt to determine the temperature imparted on the projectile. Based on the results of this testing and examination, as well as information provided by the probable manufacturer of this ordnance, it was determined that the temperature reached most likely did not approach the melting point of the bronze rotating band.
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