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太阳能热发电中的Al-12.07%Si共晶合金储能材料在高温下有很强的腐蚀作用,研究中采用石墨套环包覆310S不锈钢换热管,使换热管与熔融铝硅合金隔离来解决储能材料的腐蚀作用。结果表明,石墨良好的抗腐蚀性将保护换热管不受熔融铝-硅合金的腐蚀。
The Al-12.07% Si eutectic alloy energy storage material in solar thermal power generation has a strong corrosion effect at high temperature. In the study, a graphite collar is used to cover the 310S stainless steel heat exchange tube to isolate the heat exchange tube from the molten aluminum-silicon alloy To solve the corrosive effect of energy storage materials. The results show that good corrosion resistance of graphite will protect the heat exchange tubes from corrosion of the molten aluminum-silicon alloy.