The methods about controlling alloy components and increasing melt purity were presented. The methods of preventing casting crack were presented.

提出了控制合金成分、提高金属纯洁度的方法，重点提出了解决扁铸锭裂纹的措施。

youdao

Improper forging process will also appear large grain or uneven, hardening crack phenomenon, forging cost is higher than the casting flange.

锻造工艺不当也会出现晶粒大或不均，硬化裂纹现象，锻造成本高于铸造法兰。

youdao

From quality of melting metal, casting condition and casting equipment, the influence factors of crack in aluminium and its alloy slab ingot were analyzed, some suggestion have been drawn out.

从铝及铝合金的熔体质量、铸造条件和铸造设备三个方面，分析了对铝及铝合金扁锭裂纹影响的诸要素，并提出避免裂纹的措施。

youdao