However, when the content of Si is about 10%, its plasticity is poor, particularly in cold-rolling process. The poor plasticity led to the strip breakage in rolling process and it reduced the rate of finished products.

  • 然而,4004Al-Si合金,由于含Si量在10%左右,塑性差,特别是冷轧性能差,进而导致轧制过程中易产生断带,成品率低。

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