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分析了2124铝合金大规格扁锭裂纹倾向大和熔体易被污染的原因,从配料、熔炼、熔体净化等方面提出了保证熔体纯净度的措施。重点分析了不同铸造速度对裂纹倾向的影响。
The reasons for the large crack tendency of 2124 aluminum alloy large scale slab and the easy contamination of the melt are analyzed. The measures to ensure the purity of the melt are proposed from the aspects of ingredients, smelting and melt purification. The influence of different casting speed on crack tendency is analyzed emphatically.