对于通常发生在陶瓷的脆性断裂,下面哪一项原因是恰当的解释()
A. 低电导率
B. 中等的密度
C. 高弹性模量
D. 低断裂韧性
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Corrosion()
A. only occurs beneath the surface of a metal or alloy
B. can lead to weakening of the metal or alloy
C. prevents liberation of elements from the metal or alloy
D. A and B