结果表明，细小弥散的第二相粒子能有效地阻碍焊接热影响区粗晶区的原奥氏体晶粒长大，改善该区域的韧性。
The results show that the dispersed second phase particles can effectively retard the growth of austenite grain in the CGHAZ, and improve the toughness.
本文用定量金相法分析和讨论了奥氏体热作工具钢的晶粒粗化行为。
The grain coarsening behaviour towards the austenitic hot work tool steels has been studied by means of quantitative metallography.
研究了钛含量对中碳硼钢奥氏体晶粒度及晶粒粗化温度的影响。
The Influences of ti content on austenite gain size and grain coarsening temperature in medium-carbon boron steel have been investigated.
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