廖铮玮,盈亮,胡平,李烨,唐行辉,常颖

• 1:大连理工大学汽车工程学院
• 2:大连理工大学工程力学系

摘要(Abstract)：

为评估高强度钢板热冲压成形过程中的传热强度,本文根据实验采集的温度曲线,利用热平衡的数值积分形式得到了不同压强下随温度连续变化的换热系数,求解过程中通过等效热容的方式引入了马氏体相变的影响。结果表明,换热系数的大小不仅与压强相关,而且随着材料温度变化。最后求得的换热系数被带入Abaqus仿真计算,仿真结果能和实验数据较好的吻合,从而对实验及估算方法的有效性进行了验证。

关键词(KeyWords)： 热成形;界面换热系数;压力;相变潜热

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学重点基金(10932003,11272075);; 国家重点基础研究发展计划(2010CB832700);; 国家工信部04重大专项(2011ZX04001-021)

作者(Author): 廖铮玮,盈亮,胡平,李烨,唐行辉,常颖

DOI: 10.13289/j.issn.1009-6264.2013.s1.032

参考文献(References)：

• [1]Katsuyoshi Ikeuchi,Jun Yanagimoto.Valuation method for effects of hot stamping process parameters on product properties using hot forming simulator[J].Journal of Materials Processing Technology,2011,211(8):1441-1447.
• [2]Merklein M,Lechler J,Sthr T.Investigation on the thermal behavior of ultra high strength boron manganese steels within hot stamping[J].International Journal of Material Forming,2009,2(S):259-262.
• [3]Abdulhay B,Bourouga B,Dessain C,et al.Experimental study of heat transfer in hot stamping process[J].International Journal of Material Forming,2009,2(S1):255-257.
• [4]Bakriab D,Bourouga B,Dessain C.Thermal contact resistance estimation:influence of the pressure contact and the coating layer during a hot formingprocess[C]//The 14th International Esaform Conference on Material Forming:esaform 2011.AIP Conference Proceedings,2011:1107-1112.
• [5]Salomonsson P,Oldenburg M.Investigation of heat transfer in the press hardening process[C]//Proceedings of 2nd International Conference on HotSheet Metal Forming of High-performance Steel,Lule,Verlag Wissenschaftliche Scripten,2009:15-17.
• [6]Huiping L,Guoqun Z,Shanting N,et al.Inverse heat conduction analysis of quenching process using finite-element and optimization method[J].Finite Elements in Analysis and Design,2006,42(12):1087-1096.
• [7]Bosetti1 P,Bruschi S,Stoehr T,et al.Interlaboratory comparison for heat transfer coefficient identification in hot stamping of high strength steels[J].Int J Mater Form,2010,3(S1):817-820
• [8]Beck J,Bleckwell B,Clair C.Inverse Heat Conduction[M].John Wiley&Sons Inc,1985.
• [9]郭志鹏,熊守美,富尚铉,等.热传导反算模型的建立及其在求解界面热流过程中的应用[J],金属学报,2007,43(6):607-611.GUO Zhi-peng,XIONG Shou-mei,CHO Sang-Hyun,et al.Development of an inverse heat transfer model and its application in the prediction of theinterfacial heat flux[J].Acta Metallurgica Sinica,2007,43(6):607-611.
• [10]Cooper M G,Mikic B B,Yovanovich M M.Thermal contact conductance[J].International Journal of Heat and Mass Transfer,1969,12(3):279-300.
• [11]Yovanovich M M,Fenech H.Thermal contact conductance of nominally flat rough surfaces in a vacuum environment Thermophysics and Temperature[C]//Progress in Astronautics and Aeronautics,Thermophysics and Temperature Controlof Spacecraft and Entry Vehicles,1966(18):773-794.
• [12]Bowden F P,Tabor D.The Friction and Lubrication of Solids[M].London:Oxford University Press,1950.
• [13]Holman J P.Heat Transfer(ninth edition)[M].New York:McGraw-Hill,2002.
• [14]孙天亮.不同凝固潜热处理方法对计算铸坯温度场影响的评估[J].冶金自动化,2004(S):79-82.SUN Tian-liang.The valuation for the latent heat treatment methods effects on calculated temperature field of casting blank[J].MetallurgicalAutomation,2004(S):79-82.
• [15]Sjstrm S.Calculation of quench stresses in steel[D].University of Linkping,Linkping,Sweden,1982.
• [16]Koistinen D P,Marburger R E.A general equation prescribing the extent of the austenite-martensite transformation in pure iron-carbone alloys andplain carbon steels[J].Acta Metallurgica,1959,7:59-60.
• [17]Fieberg C,Kneer R.Determination of thermal contact resistance from transient temperature measurements[J].International Journal of Heat and MassTransfer,2008,51:1017-1023.

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