《Table 2 Magnetic properties of coated and uncoated Nd Fe B samples》
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《烧结NdFeB永磁体表面微弧氧化涂层的制备及性能（英文）》
Fig.4 shows the potentiodynamic polarization curves of the uncoated and coated Nd Fe B samples in 3.5%Na Cl，and the results of the potentiodynamic corrosion test of Nd Fe B samples are shown in Table 1.A shift of the whole polarization curve towards the region of lower current density and the higher potential can be obviously observed after Nd Fe B sample treated by MAO.The values of corrosion potential and corrosion current density are-0.833 V and2.17×10-6 A/cm2 for the coated Nd Fe B sample，and-1.112 V and 3.79×10-5 A/cm2 for the uncoated sample，respectively.The corrosion potential of the coated sample is shifted in the noble direction by 279 m V relative to the uncoated sample，and the corrosion current density of the coated sample is one order of magnitude lower than that of the uncoated sample.The corrosion protection efficiency is calculated using the following equation[14]:
| 图表编号 | XD0011228800 严禁用于非法目的 |
|---|---|
| 绘制时间 | 2018.04.01 |
| 作者 | 徐吉林、肖奇飞、梅丁丁、钟震晨、佟运祥、郑玉峰、李莉 |
| 绘制单位 | 哈尔滨工程大学生物医学材料与工程研究中心、南昌航空大学、南昌航空大学、南昌航空大学、江西理工大学稀土磁性材料及器件研究所、哈尔滨工程大学生物医学材料与工程研究中心、哈尔滨工程大学生物医学材料与工程研究中心、哈尔滨工程大学生物医学材料与工程研究中心 |
| 更多格式 | 高清、无水印（增值服务） |
