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从金相和机械性能两方面对煤矿用钢铝混合结构罐笼主要承力铝构件的失效进行了分析 ,得出了电化学腐蚀是导致铝构件机械性能下降的原因。
From the aspects of metallography and mechanical properties, the failure of the aluminum alloy main component aluminum cage of the coal-use steel-aluminum composite structure in coal mines was analyzed, and the electrochemical corrosion was the reason of the decrease of the mechanical properties of the aluminum component.