Corrosion is an electrochemical phenomenon. It can occur via different modes of attack, each having its own mechanisms, and therefore there are multiple metrics for evaluating corrosion resistance. In corrosion resistant alloys (CRAs), the rate of localized corrosion can exceed that of uniform corrosion by orders of magnitude. Therefore, instead of uniform corrosion rate, more complex electrochemical parameters are required to capture the salient features of corrosion phenomena. Here, we collect a database with an emphasis on metrics related to localized corrosion. The six sections of the database include data on various metal alloys with measurements of (1) pitting potential, E_pit, (2) repassivation potential, E_rp, (3) crevice corrosion potential, E_crev, (4) pitting temperature, T_pit, (5) crevice corrosion temperature, T_crev, and (6) corrosion potential, E_corr, corrosion current density, i_corr, passivation current density, i_pass, and corrosion rate. The experimental data were collected from 85 publications and include Al- and Fe-based alloys, high entropy alloys (HEAs), and a Ni-Cr-Mo ternary system. This dataset could be used in the design of highly corrosion resistant alloys.

腐蚀是一种电化学现象。它可以通过不同的攻击模式发生，每种攻击模式都有自己的机制，因此有多种评估耐腐蚀性的指标。在耐腐蚀合金（CRA）中，局部腐蚀的速率可能比均匀腐蚀的速率高几个数量级。因此，需要更复杂的电化学参数来捕获腐蚀现象的显着特征，而不是均匀的腐蚀速率。在这里，我们收集了一个数据库，重点关注与局部腐蚀相关的指标。数据库的六个部分包括各种金属合金的数据，并测量 (1) 点蚀_{电位 Epit} 、(2) 再钝化电位 E _rp 、(3) 缝隙腐蚀电位 E _crev 、(4) 点蚀温度 T_坑、(5) 缝隙腐蚀温度 T _crev和 (6) 腐蚀电位 E _corr 、腐蚀电流密度 i _corr 、钝化电流密度 i _pass和腐蚀速率。实验数据收集自 85 篇出版物，包括铝基和铁基合金、高熵合金 (HEA) 和 Ni-Cr-Mo 三元体系。该数据集可用于高耐腐蚀合金的设计。