Numerical simulation of temperature field of parts with large aspect ratio during high pressure gas quenching process

doi:10.13251/j.issn.0254-6051.2021.10.044

Abstract

Abstract: Aiming at the problem of quenching uniformity and deformation control of large aspect ratio parts, it was studied by numerical simulation that how it works on the temperature field of large aspect ratio parts during high pressure gas quenching process. The results show that the higher the quenching pressure, the faster the flow rate and the stronger the heat transfer capacity, the faster the cooling speed of the workpiece. The static alternating flow pattern with up-down alternating blowing has no obvious effect on cooling rate of the workpiece, but it is beneficial to improve the temperature uniformity. The shorter the interval between up-down alternating blowing, the more uniform the temperature field of the workpiece.

Key words: large aspect ratio parts, high pressure gas quenching, alternating blowing

CLC Number:

TG156.3

Chen Xuyang, Lu Wenlin, Du Chunhui, Wang Tong. Numerical simulation of temperature field of parts with large aspect ratio during high pressure gas quenching process[J]. Heat Treatment of Metals, 2021, 46(10): 242-247.

References

[1]王京晖, 贾俊清, 刘俊祥, 等. 40Cr 钢长轴真空淬火减小畸变的实践[J]. 金属热处理, 2015, 40(8): 206-207.
Wang Jinghui, Jia Junqing, Liu Junxiang, et al. Practice on reducing distortion of long shaft for 40Cr steel during vacuum quenching[J]. Heat Treatment of Metals, 2015, 40(8): 206-207.
[2]应俊龙, 张瑜, 赵兴德, 等. 30CrMnsiA钢杆件等温淬火对力学性能及变形量的影响[J]. 热处理技术与装备, 2018, 39(3): 49-53.
Ying Junlong, Zhang Yu, Zhao Xingde, et al. Impact of isothermal quenching on mechanical property and deformation of 30CrMnSiA steel bar[J]. Heat Treatment Technology and Equipment, 2018, 39(3): 49-53.
[3]管敏超, 李振华, 左训伟, 等. 42CrMo钢大直径长轴件的淬火冷却工艺[J]. 金属热处理, 2015, 40(1): 74-78.
Guan Minchao, Li Zhenhua, Zuo Xunwei, et al. Quenching process for 42CrMo steel large diameter and long shaft[J]. Heat Treatment of Metals, 2015, 40(1): 74-78.
[4]张长英. 18Cr2Ni4WA钢从动齿轮轴的热处理[J]. 金属热处理, 2016, 41(6): 135-138.
Zhang Changying. Heat treatment of 18Cr2Ni4WA steel driven gear shaft[J]. Heat Treatment of Metals, 2016, 41(6): 135-138.
[5]刘兴跃. 18CrNi8长型针阀体热处理工艺研究[D]. 上海: 上海交通大学, 2006.
Liu Xingyue. Heat treatment process research of 18CrNi8 nozzle[D]. Shanghai: Shanghai Jiao Tong University, 2006.
[6]曹润辰, 王婧, 王琦, 等. 真空高压气淬炉流场和温度场的数值模拟[J]. 热处理, 2014, 29(1): 54-58.
Cao Runchen, Wang Jing, Wang Qi, et al. Numerical simulation of flow field and temperature field in the vacuum high-pressure gas quenching furnace[J]. Heat Treatment, 2014, 29(1): 54-58.
[7]Xu Zhexin, Su Xianglin, Xu Qingyan, et al. Numerical simulation on vacuum solution heat treatment and gas quenching process of a low rhenium-containing Ni-based single crystal turbine blade[J]. China Foundry, 2016, 13(6): 402-413.
[8]王同. 高压气淬冷却过程数值模拟及风道结构优化[D]. 北京: 机械科学研究总院, 2018.
Wang Tong. Numerical simulation of high-pressure gas quenching process and optimization of duct structure[D]. Beijing: China Academy of Machinery Science and Technology, 2018.
[9]Elkatatny I, Morsi Y, Blicblau A S, et al. Numerical analysis and experimental validation of high pressure gas quenching[J]. International Journal of Thermal Sciences, 2003, 42(4): 417-423.
[10]Frerichs F, Lübben T, Fritsching U, et al. Simulation of gas quenching[J]. Journal Dephysique Archives, 2004, 120: 727-735.
[11]Bucquet T, Fritsching U. Flow-optimization to enhance gas quenching efficiency for helical gears specimen[J]. Modeling & Numerical Simulation of Material Science, 2014, 4(4): 143-152.
[12]Segerberg S, Troell E. High pressure gas quenching in cold chamber for increased cooling capacity[C]//Proceedings of the 2nd International Conference on Quenching and Control of Distoration. ASM International, 1996: 165-169.
[13]Schmidt R R, Fritsching U. Homogenisation of heat treatment process in high pressure gas quenching[J]. Heat Treatment, 2012, 27(2): 66-73.
[14]王志坚, 徐成海, 李福忠, 等. 真空高压气淬技术和设备的进展[J]. 真空, 2002, 39(6): 14-20.
Wang Zhijian, Xu Chenghai, Li Fuzhong, et al. Development in technique and equipment of high-pressure gas quenching vacuum furnaces[J]. Vacuum, 2002, 39(6): 14-20.
[15]王福军. 计算流体动力学分析[M]. 北京: 清华大学出版社, 2004.
[16]陶文铨. 数值传热学[M]. 2版. 西安: 西安交通大学出版社, 2006.
[17]马庆芳, 方荣生. 实用热物理性质手册[M]. 北京: 中国农用机械出版社, 1986.
[18]阎承沛. 真空热处理工艺与设备设计[M]. 北京: 机械工业出版社, 2003: 22-41.