分析认为，其主要原因是铸造时的不平衡结晶所产生的锰偏析、镁偏析，没有得到有效的消除。
The result shows that the cause is due to the failure of effective elimination of manganese segregation and magnesium segregation resulted from non-equilibrium crystallization in casting step.
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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