Stress corrosion cracking and fatigue corrosion cracking are easily seen in ship propeller made of copper alloy for working in seawater.

• 采用锰黄铜或铝青铜铸造的大型海船螺旋桨在海水中工作时容易产生应力腐蚀裂纹和腐蚀疲劳裂纹。