During the stage of holding pressure and cooling process in the hot forming process, the control of various parameters is very important to ensure the quality of hot forming parts. With binding reasonable die design and finite element simulation, the paper puts forward optimum technological parameters of holding pressure and cooling process. On the basis of above study, the constitutive equation is established in the paper with experimental data which can reflect the true flow stress under different conditions. Through finite simulation results, it can be seen that there is very important effect of holding time on hot forming temperature field and stress and strain state. Therefore, it is very necessary to design reasonable holding pressure time in order to make the temperature even and stress and strain reasonable.


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    Title :

    Research on Holding Pressure and Cooling Process During Hot Forming of Ultra-High Strength Steel 22MnB5


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Wang, Xiaona (author) / Ma, Fangwu (author) / Liu, Qiang (author) / Zhao, Fuquan (author)


    Publication date :

    2012-10-26


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English





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