尹佳明,付天亮,刘光浩,王昭东

• 1:东北大学轧制技术及连轧自动化国家重点实验室

摘要(Abstract)：

利用组合式淬火试验装置，完成了80 mm厚钢板变周期淬火试验，分析了水空时间比、射流速度等参数对钢板传热的影响规律。基于建立的特厚钢板三维有限元仿真模型模拟了钢板淬火过程温度场，模型的平均冷速误差小于5%。结果表明：相比于其他冷却工艺，射流速度为16 m/s时，(w20+a10)工艺周期长度的设置可充分发挥温度梯度对表面返温效果和钢板内部冷速的提升作用，有效地避免了心部冷速下降明显的问题，钢板的整体冷却均匀度显著提高。

关键词(KeyWords)： 有限元模拟;变周期淬火;热量传输;显微组织

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 尹佳明,付天亮,刘光浩,王昭东

DOI: 10.13289/j.issn.1009-6264.2022-0005

参考文献(References)：

• [1] 李东晖.中厚板热处理淬火机及应用技术概述[J].轧钢，2015,32(5):54-58.LI Dong-hui.Heat treatment and quenching machine for medium thickness plate and its application technology overview[J].Steel Rolling,2015,32(5):54-58.
• [2] Chao W,Wang Z D,Guo Y,et al.Heat transfer during quenching by plate roller quenching machine[J].Journal of Iron and Steel Research International,2013,20(5):1-5.
• [3] 付天亮，韩钧，邓想涛，等.特厚钢板射流淬火过程厚向冷速实验研究[J].东北大学学报，2017,38(11):1548-1553.FU Tian-liang,HAN Jun,DENG Xiang-tao,et al.Experimental study on thick-direction cooling rate of ultra-thick steel plate during jet quenching[J].Journal of Northeastern University,2017,38(11):1548-1553.
• [4] Fu T L,Deng X T,Liu G H,et al.Experimental study of cooling speed for ultra-thick steel plate during the jet impinging and quenching process[J].International Journal of Precision Engineering & Manufacturing,2016,17(11):1503-1514.
• [5] 徐骏，陈乃录.循环控时淬火冷却技术在大型件上的应用与实现[J].金属加工，2008(11):26-28.XU Jun,CHEN Nai-lu.Application and realization of cyclic time-controlled quenching cooling technology in large parts[J].Metal Working,2008(11):26-28.
• [6] 陈乃录，左训伟，徐骏，等.数字化控时淬火冷却工艺及设备的研究与应用[J].金属热处理，2009,34(3):37-42.CHEN Nai-lu,ZUO Xun-wei,XU Jun,et al.Research and application of digital time-controlled quenching cooling process and equipment[J].Heat Treatment of Metals,2009,34(3):37-42.
• [7] Loria E A.Transformation behavior on air cooling steel in A3-A1 temperature range[J].Metals Technology,1977,10:490-492 .
• [8] 付天亮，李勇，王昆，等.冷却方式对特厚钢板淬火温度均匀性的影响[J].东北大学学报，2013,34(11):1576-1579.FU Tian-liang,LI Yong,WANG Kun,et al.Effect of cooling method on quenching temperature uniformity of extra-thick steel plate[J].Journal of Northeastern University,2013,34(11):1576-1579.
• [9] Fu T L,Wang Z D,Li Y,et al.The influential factor studies on the cooling rate of roller quenching for ultra heavy plate[J].Applied Thermal Engineering,2014,70(1):800-807.
• [10] Rau M J,Garimella S V.Local two-phase heat transfer from arrays of confifined and submerged impinging jets[J].International Journal of Heat and Mass Transfer,2013,67:487-498.
• [11] Wen Z X,He Y L.Numerical study of impinging jets heat transfer with different nozzle geometries and arrangements for a ground fast cooling simulation device[J].International Journal of Heat and Mass Transfer,2016,95:321-335.
• [12] Pawar S,Patel D K.Study of conjugate heat transfer from the impingement of an inclined free slot jet onto the moving hot surface[J].International Communications in Heat and Mass Transfer,2020,111:104429.
• [13] Xu P,Yu B M,Qiu S X,et al.Turbulent impinging jet heat transfer enhancement due to intermittent pulsation[J].International Journal of Thermal Sciences,2010,49:1247-1252.
• [14] 杨世铭，陶文铨.传热学[M].北京：高等教育出版社，2004.
• [15] 刘斌.FLUENT19.0流体仿真[M].北京：清华大学出版社，2019.

文章评论(Comment)：