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·¢ÔÚSCTÉϵÄһƪÎÄÕ£¬¶ÔÓÚ¸¯Ê´ÐÔÄܵĺâÁ¿£¬ÎÒÖ÷Ҫ˵µÄÊÇά¶ÛµçÁ÷ÃܶȺÍ×Ô¸¯Ê´µç룬¶øÉó¸åÈËÕâôÎʵÄThe <gamma>N phase layer presented a strong tendency toward passivation with a decrease of the corrosion current density from (3-5)¡Á10-2 mA/cm2 to (1-3)¡Á10-3 mA/cm2, and a corresponding increase of the corrosion potential from -275mV(SCE) to -231 mV(SCE)." - Corrosion current density and corrosion potential don't tell anything about tendency toward passivation. Other electrochemical parameters like a current density of thr passive state, critical current density of passivation and critical potential of passivation can tell something about tendency of these materials towards passivation. <gamma>N ÊÇÒ»²ã±íÃæ·À»¤²ã |
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