用腐蚀失重法和电化学阻抗谱研究了泡沫SiC/Cu双连续相复合材料和对应的基体材料纯Cu在3.5% NaCl水溶液中的腐蚀行为。结果表明，在3.5% NaCl水溶液中，泡沫SiC/Cu双连续相复合材料比纯基体Cu具有更大的腐蚀敏感性，主要原因是该复合材料的特殊结构及残余应力的存在致使泡沫筋微孔中的 Cu严重腐蚀。
The corrosion behavior of the foamed SiC/Cu co-continuous composite and the corresponding matrix Cu in 3.5% NaCl aqueous solution was investigated by electrochemical impedance spectroscopy and immersion test. The results showed that the composite was corroded more seriously than the matrix Cu in the solution because of the severe corrosion of Cu in the micropores of the foamed SiC struts which could be mainly attributed to the special structure of the composite and the presence of residual stress.
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