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Which limit was encountered when creating early bronze cannons?

A)Gas porosity in bronze castings
B)Bronze corrosion from acidic gunpowder
C)Insufficient bronze hardness stability
D)Inadequate bronze thermal conduction

💡 Explanation

Gas porosity limited early bronze cannons because dissolved gases created bubbles during solidification. This void formation weakened the cannon's structural integrity through a mechanism of void coalescence, therefore cannons risked catastrophic failure rather than achieving desired projectile velocity, under realistic pressures.

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