The star cracks in macrostructure appear in some hypo-peritectic continuous cast alloy blooms and these cracks cannot be stock completely by hot rolling reduction ratio, macroetching testing and SEM.

 
  • 摘要一些亞包晶合金鋼連鑄大方坯出現低倍星狀裂紋,在一定的壓縮比下經(jīng)軋制仍不能完全消除這種低倍缺陷。
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