MATERIAL-TECHNOLOGICAL MODELLING OF VARIOUS HOLDING TIMES AT THE PARTITIONING TEMPERATURE IN AHSS WITH DIFFERENT ALLOYING STRATEGIES

摘要：

New methods of heat treatment usually require precise control of processing parameters.Therefore,a new type of heat treatment,the Q-P (quenching and partitioning) process,was carried out on a thermomechanical simulator,which enables application of rapid and precisely controlled temperature and deformation load.The most important Q-P process parameters are quenching and partitioning temperatures and partitioning hold,which affect not only the fraction of retained austenite but also precipitation of carbides.Q-P strategies with different partitioning conditions were tested on three different high strength low alloyed steels with different contents of Mn and Si.Strength of over 2000MPa with a ductility A5mm of about 14％ was obtained for the optimal combination of partitioning hold conditions.

关键词： material-technological modelling Q-P process AHSS partitioning temperature

作者: B.Masek H.Jirkova L.Kucerova D.Klauberova

作者单位: University of West Bohemia in Pilsen,Research Centre of Forming Technology,Univerzitni 22,CZ-306 14 Pilsen, Czech Republic

会议类型: 国际会议

会议名称: The Third International Conference on Heterogeneous Material Mechanics(第三届国际非均匀材料力学会议)

会议地点: 上海

会议语种:英文

页码: 701-704

在线出版日期: 2011-05-22（万方平台首次上网日期，不代表论文的发表时间）