锻压技术

大锻件锻造过程中的综合换热系数研究

英文标题：Study on comprehensive heat transfer coefficient in forging process of large forgings

作者：高鑫洲岳峰丽徐斌何兴

分类号：TG316.2

出版年,卷(期):页码：2017,42(12):1-5

摘要：

为了准确预测实际生产中大锻件温度场的变化，以指导锻造工艺制定，采用正向实测-反向求解和正向实测模拟验证的研究方法，实测锻件空冷过程中特征点的降温曲线，利用Deform的Inverse Heat Transfer求解模块,使用反传热法计算获得锻件空冷过程中的界面换热系数，将该换热系数应用于锻造过程模拟中，得到坯料表面的温度曲线，并与实测获得的锻造过程中坯料表面的温度曲线进行对比验证。成功地实现了对700 mm×700 mm×1500 mm大锻件在锻造过程中的温度场预测。

In order to accurately predict the change of temperature field of large forgings in actual production and to guide the forging planning, the research methods of forwarded-measurement with reversed solution and forwarded-measurement simulation were adopted to measure the cooling curve of characteristic points during forging air-cooling process. Then, the interface heat transfer coefficient during the air-cooling process was obtained by the Inverse Heat Transfer solver of Deform and inverse heat transfer method, and the blank′s surface temperature curve was got by inputting heat transfer coefficient to the simulation of forging process, which was verified by the measured temperature. Finally, prediction of the temperature field of large forging with 700 mm×700 mm×1500 mm was successfully realized during forging.

基金项目：

国家自然科学基金重点项目（U1508215）；国家重点研发项目（2016YFB0300401）；辽宁百千万人才计划(［2015］12)

作者简介：高鑫洲（1993-），男，硕士研究生 E-mail：2433280405@qq.com 通讯作者：岳峰丽（1970-），女，硕士,副教授 E-mail：Flyue@163.com

参考文献：

［1］陈世佳. 大锻件材料30Cr2Ni4MoV钢的热变形特性研究[D].上海：上海交通大学，2009.

Chen S J. Study on Characteristics of Heavy Forging Material 30Cr2Ni4MoV Steel in Hot Deformation [D].Shanghai: Shanghai Jiao Tong University, 2009.

［2］关明，付赟秋，常志梁，等. 大锻件锻造过程中温度场测定及其结果分析[J]. 锻压技术，2012，37(2):6-9.

Guan M, Fu Y Q, Chang Z L, et al. Temperature field detection and result analysis of heavy forging during forging process [J]. Forging & Stamping Technology, 2012, 37(2):6-9.

［3］潘再勇. 锻造过程温度场模拟数值振荡的研究[D]. 武汉：华中科技大学，2011.

Pang Z Y. Study on Numerical Oscillation of Temperature Field Simulation during Forging Process [D].Wuhan: Huazhong University of Science and Technology,2011.

［4］谢建斌. 金属及合金在不同介质中淬火时的数值模拟和应用研究[D].昆明：昆明理工大学，2003.

Xie J B. Studies on the Numerical Simulation for Metals and Alloys during Different Medium Quenching and Its Application [D]. Kunming: Kunming University of Science and Technology, 2003.

［5］李红娟. 典形件控冷过程综合换热及其应用[D]. 秦皇岛：燕山大学，2013.

Li H J. Typical Steel Heat Transfer in Controlled Cooling Process and Its Application [D]. Qinhuangdao: Yanshan University, 2013.

［6］袁俭，张伟民，刘占仓，等. 不同冷却方式下换热系数的测量与计算[J]. 材料热处理学报，2005，26(4):115-119.

Yuan J, Zhang W M, Liu Z C, et al.The measurement and calculation of heat transfer coefficient under different cooling conditions [J].Transactions of Materials and Heat Treatment, 2005, 26(4):115-119.

［7］黄华贵，燕猛，杜凤山. 线棒材轧后冷却过程综合换热系数的实验测定[J]. 热加工工艺，2014, 43(3):84-87.

Huang H G, Yan M, Du F S. Measurement of integrated heat transfer coefficient for steel wire and rod during cooling process after rolling [J].Hot Working Technology, 2014, 43(3):84-87.

［8］张庆峰，焦四海，马朝晖. 厚板淬火过程温度场的有限元模拟[J]. 热加工工艺，2010，39(6):157-160.

Zhang Q F, Jiao S H, Ma Z H. FEM simulation of temperature field in plate during quenching process [J]. Hot Working Technology, 2010, 39(6):157-160.

［9］王大鹏. 轴对称大锻件淬火过程温度场及组织场的数值模拟[D]. 大连：大连理工大学，2002.

Wang D P. Numerical Simulation of Temperature Field and Tissue Field in Quenching Process of Axisymmetric Forging [D]. Dalian: Dalian University of Technology, 2002.

［10］程柏松, 肖纳敏, 李殿中,等. 界面换热系数对淬火过程变形模拟的影响[J]. 热加工工艺, 2012, 41(22):186-190.

Cheng B S, Xiao N M, Li D Z, et al. Sensitivity analysis of the effect of interfacial heat transfer coefficient on distortion simulation during quenching [J]. Hot Working Technology, 2012, 41(22):186-190.

［11］Yu Y, Luo X. Identification of heat transfer coefficients of steel billet in continuous casting by weight least square and improved difference evolution method[J]. Applied Thermal Engineering, 2016, 114:36-43.

［12］李树娟. 中锰第三代汽车钢温热成形中换热系数的求解分析[D]. 大连：大连理工大学，2016.

Li S J. Analysis on the Heat Transfer Coefficient of the Third Generation Automotive Medium-Mn Steel in Warm/Hot Forming [D]. Dalian: Dalian University of Technology, 2016.

［13］曹欣，孙志超，杨合. 基于DEFORM反传热模形表面换热系数的确定[J]. 塑性工程学报，2013，20(2):130-135.

Cao X, Sun Z C, Yang H. Determination of surface heat transfer coefficient via inverse heat transfer model based on deform software [J]. Journal of Plasticity Engineering, 2013, 20(2):130-135.

［14］Liu C L, Gao C, Wolfersdorf J V, et al. Numerical study on the temporal variations and physics of heat transfer coefficient on a flat plate with unsteady thermal boundary conditions[J]. International Journal of Thermal Sciences, 2017, 113:20-37.

［15］Caron E J F R, Daun K J, Wells M A. Experimental heat transfer coefficient measurements during hot forming die quenching of boron steel at high temperatures[J]. International Journal of Heat & Mass Transfer, 2014, 71(1):396-404.

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