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采用取样分析和跟踪试验方法，研究了连铸板坯中的Ａｌ２Ｏ３夹杂低倍缺陷对０８Ａｌ和ＷＬＣ冷轧板性能和质量的影响，结果表明：Ａｌ２Ｏ３夹杂缺陷一般不影响冷轧板的冷弯性能和力学性能的σｓ和σｂ值，但对延伸性能（δ值）和深冲性能（杯突值）以及内部质量均有影响，表现为随着铸坯中Ａｌ２Ｏ３夹杂级别的增高，冷轧板成品δ值和杯突值以及纯净度降低
The effects of inclusions with low MgO content on the properties and quality of 08Al and WLC cold-rolled sheets were studied by means of sample analysis and follow-up test. The results show that the inclusions of Al2O3 do not affect the cold bending properties of cold-rolled sheets And mechanical properties of σs and σb values, but the extension of the performance (δ value) and deep-drawing properties (cup sudden value) and internal quality have an impact, with the slab Al2O3 inclusions level increases, cold-rolled sheet products δ value and cup sudden value and purity decreased