... casting aluminumThe anti-thermal crack performance of the welded joint is good, but the plasticity, toughness are low, becomes grey ... -300Al-Cucasting20142017The anti-thermal crack performance of the welded joint is good, but the plasticity, toughness are low, becomes grey ... 320Al-Zn-Mg casting, Al-Mg castingThe connector intensity is high, and the moulding performance and tenacity is inferior to ...