Austenite Grain Coarsening and Recrystallization Parameters of Steel Containing Titanium
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摘要: 研究了3種不同含Ti量(0.04%-0.16%Ti)鋼奧氏體晶粒粗化溫度及熱軋后奧體再結晶的行為。在950-1200℃加熱,含0.04%Ti鋼奧氏體晶粒最小,其晶粒開始粗化溫度在1 150℃以上。得出含Ti鋼開始再結晶的臨界形變率(εc)與原始奧氏體晶粒直徑(D0)、軋制溫度(T)間定量關系。Abstract: The temperature of austenite grain coarsening and recrystallization parameters in steels containing 0.04%-0.16% Ti have been investigated.Experimental results show that after heating at 950-1 200℃,austenite grain size in 0.04% Ti-steel was the finest, and the temperature of grain coarsening was above 1 150℃.The quantitative relationship between the critical reduction for austenite recrystallization εc and initinal austenite grain size Do at rolling temperature T has been obtained
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Key words:
- austenite grain /
- recrystallization /
- critical reduction /
- rolling temperature
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