A higher carbon content in the steel was favorable to form short and thick primary dendrites as well as wider primary dendritic arm spacings (PDAS) and coarsening columnar structure.

 
  • 碳含量高,容易形成長(cháng)寬比小的一次枝晶,并且一次枝晶臂間距增寬,容易形成粗大的柱狀晶組織;
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