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首页> 外文期刊>Journal of Materials Engineering and Performance >Corrosion Resistance and Color Properties of Anodized Ti-6Al-4V
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Corrosion Resistance and Color Properties of Anodized Ti-6Al-4V

机译：阳极氧化的Ti-6Al-4V的耐蚀性和颜色性能

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摘要

In this research, color anodizing of Ti-6Al-4V alloy was performed in phosphoric acid solution of 0.4 M concentration and within 30 s in different voltages (10-120 V) of a DC power supply. The effect of anodizing voltages on the color and thickness of anodized layers on Ti-6Al-4V alloy surface was surveyed. Thickness and refractive index of layers were measured by spectrophotometery and reflectance curves. According to the results, thickness of layers increased with increasing anodizing voltage and was in the range of 38-167 nm. Also the refractive index of anodic film was approximately constant at about 2 and increased inconsiderably with increasing anodizing voltage. Corrosion resistance of the anodized samples in 20 and 50 V was surveyed in physiological solutions of Ringer’s solution, Artificial Saliva solution, and Ringer’s + 150 mM H2O2 solution at the temperature of 37 °C by potentiodynamic polarization method. The anodized sample in 50 V indicated lower corrosion rate than the non-anodized sample as well as the sample which was anodized in 20 V in all solutions. The non-anodized sample indicated the highest corrosion rate of about 0.25 μA cm−2.
机译：在这项研究中，在直流电源的不同电压（10-120 V）下，在0.4 M浓度的磷酸溶液中在30 s内对Ti-6Al-4V合金进行了彩色阳极氧化。考察了阳极氧化电压对Ti-6Al-4V合金表面阳极氧化层的颜色和厚度的影响。通过分光光度法和反射率曲线测量层的厚度和折射率。根据结果​​，层的厚度随着阳极氧化电压的增加而增加，并且在38-167nm的范围内。阳极膜的折射率也大致恒定在约2，并且随着阳极氧化电压的增加而极大地增加。在林格氏溶液，人工唾液溶液和林格氏+ 150 mM H 2 O 2 溶液的生理溶液中，对20和50 V的阳极氧化样品的耐蚀性进行了研究。电位极化法测定温度为37°C。 50 V阳极氧化样品的腐蚀速率低于未阳极氧化的样品以及在所有溶液中均以20 V阳极氧化的样品。未阳极氧化的样品显示出最高的腐蚀速率，约为0.25μAcm -2 。

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