挤压铸造使棒状ZA27合金铸件的比重偏析有所改善，铸件成分分布更加均匀。挤压铸造可以明显改善棒状ZA27合金铸件的显微偏析。
Squeeze casting can not only improve the gravity segregation and distribution of the chemical constitution of the cast but also the microsegregation of bar-shaped ZA27 alloy.
目的观察贵金属烤瓷合金铸态组织成分偏析情况，为该合金性能研究提供理论依据。
Objective to study the microsegregation phenomenon in as-cast micro structure of a precious metal ceramic alloy so as to provide theoretic basis for study on this kind of alloy.
合金在液态及固态时化学成分的组成对单个元素的分凝与偏析的影响。
The complete chemical composition of the alloy influences the partitioning and segregation of each individual element to the liquid or solid.
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