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首页> 外文会议>NACE annual conference & exposition >CORROSION BEHAVIOR OF ALLOY 22 UNDER CONDITIONS OF DYNAMICGROUNDWATER COMPOSITION
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CORROSION BEHAVIOR OF ALLOY 22 UNDER CONDITIONS OF DYNAMICGROUNDWATER COMPOSITION

机译：动态地下水组成下合金22的腐蚀行为

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Solutions that simulated the compositions of saturated (J 13) and unsaturated (UZ) waters thatcan be found in the vicinity of Yucca Mountain were distilled to near dryness. The pH of both thecondensates and residual solutions of J 13-based waters rose during the distillations, while the pH of boththe condensates and residual solutions of UZ-based water experienced a large drop in pH duringdistillation, which could be caused by precipitation and slow redissolution of magnesium oxide solids.Samples of Alloy 22 immersed in condensates and residual solutions of UZ distillations exhibitedgeneral corrosion at rates ranging from 30-600 gm/year, and one sample exhibited pitting. Samplestested in solutions of 1000xJ 13 in which the pH was altered during testing showed an increase incorrosion rate over solutions of constant pH.
机译：将模拟在尤卡山附近发现的饱和（J 13）和不饱和（UZ）水组成的溶液蒸馏至接近干燥。蒸馏过程中，J 13基水的冷凝液和残留溶液的pH均升高，而蒸馏过程中UZ基水的冷凝液和残留溶液的pH均经历较大的pH下降，这可能是由于沉淀和缓慢的再溶解引起的浸入冷凝液和UZ蒸馏残留溶液中的22号合金样品表现出普遍腐蚀，速率为30-600克/年，其中一个样品出现点蚀。在1000xJ 13溶液中测试的样品在测试过程中改变了pH，与恒定pH的溶液相比，腐蚀速率增加了。

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