连续移动局部感应熔覆过程中的温度场演变和热量传递(英文)
发布时间:2021-06-20 15:03
本文研究了连续运动感应熔覆层的温度场演变和热影响区的深度,建立了点式连续移动感应熔覆的三维有限元模型以研究固定和移动感应熔覆模型的温度分布,设计了一种适用于曲面熔覆的新感应器,通过温度测量验证了模型的可靠性。研究了工艺参数对最高温度的影响和热量的产生与传递。对熔化速率进行了定量计算来验证温度的分布和显微组织的关系。结果表明,熔覆层与基体之间可形成良好的冶金结合,从熔覆层顶部到基体熔化速率逐渐降低,基体中的晶粒尺寸逐渐增大。与整体加热相比,连续移动局部感应熔覆热影响区相对较小。
【文章来源】:Journal of Central South University. 2020,27(05)EISCICSCD
【文章页数】:15 页
【文章目录】:
1 Introduction
2 Establishment of finite element model
2.1 Design of new inductor
2.2 Description of eddy current field model
2.3 Description of temperature field model
2.4 Geometrical model and mesh generation
3 Experimental validation
4 Results and discussion
4.1 Temperature evolution and model validation of fixed induction cladding
4.2 Temperature distribution of continual motion induction cladding
4.3 Effects of main process parameters on the maximum temperature
4.4 Induction cladding heat generation and transfer pathways
4.5 Verification of microstructures and temperature distribution based on meltingrate
5 Conclusions
【参考文献】:
期刊论文
[1]Numerical analysis of 3D spot continual induction hardening on curved surface of AISI 1045 steel[J]. 高恺,汪舟,秦训鹏,朱生霄. Journal of Central South University. 2016(05)
本文编号:3239421
【文章来源】:Journal of Central South University. 2020,27(05)EISCICSCD
【文章页数】:15 页
【文章目录】:
1 Introduction
2 Establishment of finite element model
2.1 Design of new inductor
2.2 Description of eddy current field model
2.3 Description of temperature field model
2.4 Geometrical model and mesh generation
3 Experimental validation
4 Results and discussion
4.1 Temperature evolution and model validation of fixed induction cladding
4.2 Temperature distribution of continual motion induction cladding
4.3 Effects of main process parameters on the maximum temperature
4.4 Induction cladding heat generation and transfer pathways
4.5 Verification of microstructures and temperature distribution based on meltingrate
5 Conclusions
【参考文献】:
期刊论文
[1]Numerical analysis of 3D spot continual induction hardening on curved surface of AISI 1045 steel[J]. 高恺,汪舟,秦训鹏,朱生霄. Journal of Central South University. 2016(05)
本文编号:3239421
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