Analytic temperature field solution of dual laser welding heat sources and application in static recrystallization

Song K. J.; Zhong Z. H.; Fang K.; Yang J. G.

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Analytic temperature field solution of dual laser welding heat sources and application in static recrystallization

机译：双激光焊接热源分析温度场解及其在静态再结晶中的应用

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摘要

The explicit temperature function of dual laser welding was presented, and the effect of welding pass distance and heat source distance on the thermal history was analyzed. There was excellent correlation between analytically solved and finite element method (FEM)-predicted dual laser welding temperature field. The analytical temperature function is applied to study the static recrystallization kinetics upon dual laser welding of nanobainite steel. By calculation, the optimal welding process parameters can be obtained when the static recrystallization fraction takes the maximum value. The corresponding temperature is above the martensite transus temperature and is appropriate to produce sufficient plastic strain in the austenite grains.

机译：提出了双激光焊接的显式温度功能，分析了焊接通路和热源距离对热历史的影响。分析求解和有限元方法（FEM）预测的双激光焊接温度场之间存在良好的相关性。应用分析温度函数在纳米替纳钢石材钢双激光焊接时研究静态再结晶动力学。通过计算，当静态再结晶分数采用最大值时，可以获得最佳焊接过程参数。相应的温度高于马氏体转变温度，并且适合于在奥氏体颗粒中产生足够的塑性菌株。

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来源
《The International Journal of Advanced Manufacturing Technology》 |2017年第8期|共13页
作者
Song K. J.; Zhong Z. H.; Fang K.; Yang J. G.;
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作者单位

Hefei Univ Technol Sch Mat Sci &

Engn Hefei 230009 Anhui Peoples R China;

Hefei Univ Technol Sch Mat Sci &

Engn Hefei 230009 Anhui Peoples R China;

38th Res Inst CETC Hefei 230088 Anhui Peoples R China;

Zhejiang Univ Technol Inst Proc Equipment &

Control Engn Hangzhou 310032 Zhejiang Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类自动化装置与设备;
关键词
Analytical thermal model; Dual laser welding of nanobainite; Linear heat source; Temperature cycle validation; Static recrystallization kinetics;

机译：分析热模型;纳米粘土的双激光焊接;线性热源;温度循环验证;静态再结晶动力学;

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1. Analytic temperature field solution of dual laser welding heat sources and application in static recrystallization [J] . Song K. J., Zhong Z. H., Fang K., The International Journal of Advanced Manufacturing Technology . 2017,第5a8期

机译：双激光焊接热源分析温度场解及其在静态再结晶中的应用
2. Analytical solutions for rapid prediction of transient temperature field in powder-fed laser directed energy deposition based on different heat source models [J] . M. Ansari, M. Khamooshi, Y. Huang, Applied Physics . 2021,第6期

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3. Analytical solution for temperature field in thin film initially heated by a short-pulse laser source [J] . B. S. Yilbas, M. Pakdemirli, S. Bin Mansoor Heat and mass transfer . 2005,第12期

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4. Analytical solution for transient temperature distribution of semi -infinite body subjected to 3-D moving heat source of submerged Arc Welding process [C] . Ghosh Aniruddha, Chattopadhyaya Somnath 2010 2nd International Conference on Mechanical and Electrical Technology . 2010

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5. Determining the temperature field of selective laser melting process for different heat source paths. [D] . Cho, Dong-Hyun. 2016

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6. Heat as a groundwater tracer in shallow and deep heterogeneous media: Analytical solution spreadsheet tool and field applications [O] . B. L. Kurylyk, Dylan J. Irvine, Sean K. Carey, -1

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7. Analytical descriptions of a temperature field in a massive body caused by moved volumetric heat source model for application to welding processes [O] . Jerzy Winczek -1

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8. Temperature field due to time-dependent heat sources in a large rectangular grid - Derivation of analytical solution [R] . Claesson, J. , Probert, T. 1996

机译：由于大矩形网格中与时间有关的热源引起的温度场 - 解析解的推导

Analytic temperature field solution of dual laser welding heat sources and application in static recrystallization

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