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实验结果表明,RE降低ZA—27合金在酸性溶液中的抗蚀性,提高在碱性、中性溶液中的抗蚀性。RE提高ZA—27合金的抗“老化”能力,但仍有“老化”倾向。在加入0.06%RE时,合金的抗蚀性及抗“老化”能力最好。
The experimental results show that RE reduces the corrosion resistance of ZA-27 alloy in acid solution and improves the corrosion resistance in alkaline and neutral solutions. RE improves the anti-aging ability of the ZA-27 alloy, but there is still an “aging” tendency. When adding 0.06% RE, the corrosion resistance and anti-aging ability of the alloy are the best.