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对耐热不锈钢 ( 1Cr1 1Ni2W2MoV、Cr1 7Ni2 )和钛合金 (TA7) ,在 3.5%NaCl水溶液中的电偶腐蚀敏感性进行了评价。研究了试样表面状态和阴阳极面积比对两类材料接触腐蚀行为的影响规律 ,探讨了腐蚀机理。
The galvanic corrosion susceptibility of heat-resistant stainless steel (1Cr1 1Ni2W2MoV, Cr1 7Ni2) and titanium alloy (TA7) in 3.5% NaCl aqueous solution was evaluated. The effects of the surface state of the sample and the area ratio of the anode to the cathode on the contact corrosion behavior of the two types of materials were studied, and the corrosion mechanism was discussed.