模铸转连铸后，减轻了成分偏析，提高了钢的韧性。
After changing from mould casting into continuous casting, the composition segregation decreases and the toughness steel increases.
成分分析结果表明，心部薄弱环节主要起因于线材中心的成分偏析。
Results of the composition analysis reveal that the primary cause to the fracture is the composition segregation of the wire .
成分分析结果表明，心部薄弱环节主要起因于线材中心的成分偏析。
The intersolubility of Cu-Pb alloy is weak, there is serious component segregation in it.
连铸坯的凝固组织和成分偏析是影响钢材力学性能均匀性的重要因素。
Solidification and composition segregation of billet are important factors which affect homogeneity of mechanical property of steel.
文章从传输过程、凝固组织和成分偏析等三个方面对液相流动的作用作了综述。
It was summarized in present paper that the liquid flow acted in the transfers process, solidification structure and componential segregation.
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.
其内容包括：电磁搅拌的冶金效果、铸坯的低倍组织、非金属夹杂物、成分偏析及钢材性能。
The research contents are included as follows: metallurgical effect of electromagnetic stirring; inclusion, macrograph, segregation of composition; properties of final rolled steel products.
结果表明，断裂的原因是材质不合格，存在成分偏析，热处理工艺不符合规定以及硫元素含量偏高。
The preliminary research showed that the material used of the piston rod is unqualified , casting aliquation and much S element result in cracking on the edge of the casting aliquation.
结果表明，沿一次晶晶界的成分偏析对裂纹扩展阻力的降低作用是铸钢中贝壳状断口形成的主要原因。
The results show that main cause of conchoidal fracture forming is that composition segregation in solidification grain boundary of casting steel reduces the resistance of crack propagation.
结果表明，产生断裂的主要原因是材料内部成分偏析及未按要求对材料进行调质处理导致材料的强度较低。
The results show that the main causes of fracture is composition segregation and low strength resut from no quenching and tempering treatment.
主要是明显的尺寸效应和凝固、收缩、应力等问题，避免或减少铸铁井盖的成分偏析、变形、开裂等缺陷的产生。
Is mainly the size effect and solidification, shrinkage, stress and other issues clearly, to avoid or reduce the segregation, iron manhole cover deformation and crack defects.
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.
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.
采用原位分析技术对不同结晶态的低合金钢连铸方坯的成分分布、偏析、疏松、夹杂和其他缺陷进行了分析。
The central segregation of continuously cast slab of 10CrNiCu steel and its effect on mechanical properties were studied by original position analysis(OPA).
采用原位分析技术对不同结晶态的低合金钢连铸方坯的成分分布、偏析、疏松、夹杂和其他缺陷进行了分析。
The central segregation of continuously cast slab of 10CrNiCu steel and its effect on mechanical properties were studied by original position analysis(OPA).
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