The influence of graphite molding on crack formation is as follows：

1、A large number of external cracks are not eliminated by sintering. It may be related to surface oxidation.

2、The crack produced by cold-pressed graphite blank forming is mainly related to the density of graphite blank. If the density of the blank increases, the crack is relatively easy to form.

3、If the density of graphite blank is uneven, then it is easy to cause roasting cracking.

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