本质晶粒度
- 网络Inherent grain size
本质晶粒度-
当W（Ti）e>0.031%时，试验用钢的奥氏体本质晶粒度可达7级以上，晶粒粗化温度提高到980℃以上。
When ω( Ti ) e content is more than 0.031 % , the austenite inherent gain size and the grain coarsening temperature of the steel could be up to grade 7 and 980 ℃ respectively .
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本文还研究了不同预处理工艺对奥氏体本质晶粒度的影响。
The influence of different pretreatment process on the austenitic essence grain was studied too .
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60Si2MnRE钢中夹杂物、微观组织和本质晶粒度的研究
The Study of the Occluded Foreign Substance , Microscopic Structure and Grain Fineness Number in Substance of the 60Si_2MnRE Steel