The results show that X80 pipeline steel obtains sorbite after quenching and tempering, gets pearlite by normalizing.
结果表明：x80钢经调质处理后得到索氏体，正火得到珠光体。
With the decrease of finishing rolling temperature, the grain size is refined apparently and the contents of sorbite is increased.
随着终轧温度的降低，热轧材组织得到细化，索氏体含量提高。
The ginger like Sorbite forming mechanism and the high wear resistance of ginger like carbide cutter blade were studied in this paper.
本文从空间形貌上说明姜块状碳化物的形成机制，并从微观机理分析姜块状碳化物提高刀片耐磨性的原因。
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