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首页> 外文期刊>Materials Letters >Development of high performance aluminium alloy sacrificial anodes reinforced with metal oxides
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Development of high performance aluminium alloy sacrificial anodes reinforced with metal oxides

机译：高性能金属氧化物增强铝合金牺牲阳极的研制

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摘要

Metal composites of alumina and zinc oxide were incorporated into Al+5% Zn alloy and the reinforced alloys were used as efficient sacrificial anodes for cathodic protection of steel objects. ZnO was not only used to reinforce the alloy matrix and improve the metallurgical characteristics but also to yield effective activation of the sacrificial anodes. Galvanic efficiency as high as 83% was achieved when 0.5% ZnO was incorporated into the anode matrix. High and steady negative potential, very low polarization and substantial reduction in self-corrosion of the anodes were observed during prolonged galvanic exposure tests. However, the incorporation of alumina into the anode matrix led to an adverse effect.
机译：将氧化铝和氧化锌的金属复合材料掺入Al + 5％Zn合金中，并将该增强合金用作有效的牺牲阳极，用于钢物体的阴极保护。 ZnO不仅用于增强合金基体和改善冶金性能，而且还可以有效地激活牺牲阳极。当将0.5％的ZnO掺入阳极基体中时，电效率高达83％。在长时间的电暴露测试中，观察到高而稳定的负电势，极低的极化和阳极自腐蚀的显着降低。然而，将氧化铝掺入阳极基质中导致不利影响。

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