Compared with other superalloys, the alloy 4 with the less lattice misfit possesses the bigger internal frictional stress and activate energy during creep, so has a better creep resistance and longer the rupture lifetime.

• 与其它合金比较,具有较小晶格错配度的合金4蠕变期间具有最大的内摩擦应力和蠕变激活能,因此,具有较高的蠕变抗力和较长的持久寿命。