当这些金属相连时，就形成了双金属电偶对，其中一种金属相对于另一种金属就被腐蚀了。
When these metals are connected, bimetal couples are created and one metal corrodes with respect to the other.
本文通过电偶腐蚀试验和系统腐蚀试验，查明了这种影响，并提出了防止钛合金对其它电位较负材料产生的电偶腐蚀作用的措施。
The causes of the corrosion are investigated by galvanic corrosion test and system corrosion test and the protection measures are also proposed.
对焊接不均匀体在腐蚀条件下的电偶腐蚀行为进行了讨论。
In this paper the couple corrosion of heterogeneous welded bodies in corrosive cnvironment is discussed.
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