Determination of liquidus temperatures in high-alloyed Fe�CC�CMn�CSi�CAl steels using differential thermal analysis
Chang-ling Zhuang1 Jian-hua Liu2
1 College of Materials and Metallurgy, Guizhou University, Guiyang 550025, Guizhou, China 2 Engineering Research Institute, University of Science and Technology Beijing, Beijing 100083, China
Determination of liquidus temperatures in high-alloyed Fe�CC�CMn�CSi�CAl steels using differential thermal analysis
Chang-ling Zhuang1 Jian-hua Liu2
1 College of Materials and Metallurgy, Guizhou University, Guiyang 550025, Guizhou, China 2 Engineering Research Institute, University of Science and Technology Beijing, Beijing 100083, China
ժҪ The liquidus temperature of the Fe�CC�CMn�CSi�CAl alloy was investigated by using an improved differential thermal analysis method, which effectively tackles down the manganese evaporation in the course of differential thermal analysis experiments for high-manganese twinning-induced plasticity (TWIP) steels at high temperature. It was found that the liquidus temperature is more strongly dependent on the silicon content than expected. By considering the high manganese content in the Fe�CC�CMn�CSi�CAl TWIP steels, the effect of carbon content on the depression coefficient of manganese should not be ignored, which has considerable impact on the liquidus temperature. An equation was summarized to effectively predict the liquidus temperature for a wide range of high-manganese steels. Meanwhile, the prediction results of the equation are consistent with the experimental results, as well as those results acquired from ThermoCalc.
Abstract��The liquidus temperature of the Fe�CC�CMn�CSi�CAl alloy was investigated by using an improved differential thermal analysis method, which effectively tackles down the manganese evaporation in the course of differential thermal analysis experiments for high-manganese twinning-induced plasticity (TWIP) steels at high temperature. It was found that the liquidus temperature is more strongly dependent on the silicon content than expected. By considering the high manganese content in the Fe�CC�CMn�CSi�CAl TWIP steels, the effect of carbon content on the depression coefficient of manganese should not be ignored, which has considerable impact on the liquidus temperature. An equation was summarized to effectively predict the liquidus temperature for a wide range of high-manganese steels. Meanwhile, the prediction results of the equation are consistent with the experimental results, as well as those results acquired from ThermoCalc.
Chang-ling Zhuang Jian-hua Liu. Determination of liquidus temperatures in high-alloyed Fe�CC�CMn�CSi�CAl steels using differential thermal analysis[J].Journal of Iron and Steel Research International, 2018, 25(5): 546-553.
Chang-ling Zhuang Jian-hua Liu. Determination of liquidus temperatures in high-alloyed Fe�CC�CMn�CSi�CAl steels using differential thermal analysis. , 2018, 25(5): 546-553.
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