Partial substi-tution of alloying elements has found to occur in all the constituent phases caus-ing small deviations from the stoichiometric compositions reported for the ternarycompounds.

• 所有夹杂相的合金元素均部分地被其它元素所取代,使粗大夹杂相的成分稍偏离于理想的三元化合物。