本书针对金属增材制造加工过程进行系统研究,基于计算流体动力学方法研究金属增材制造工艺过程中的流体问题。第1章为绪论。第2~4章研究金属增材制造打印机腔体内部流场及颗粒分布特性,并设计新颖的流体罩和负压管分别对打印机腔体内部流场进行优化及溅射颗粒清除。第5~9章主要研究金属增材制造加工过程中熔池特性,其中,第5章研究金属熔池动力学特性,第6章研究外加磁场对金属增材制造过程中熔池及凝固过程的影响,第7章和第8章研究金属增材制造过程中工件内部单气孔缺陷和多气孔缺陷的演化过程。第9章研究金属增材制造工件激光清洗工艺,以控制工件表面粗糙度。本书内容系统全面,新颖独特,面向从事增材制造和激光加工等相关领域的科研人员,以及关注先进制造、智能制造的专家学者和普通读者。
内容简介
Preface
Chapter 1 Introduction
1.1 Background
1.2 Motivation
1.3 Outline
Chapter 2 Investigation of the flow field in Laser-based Powder Bed Fusion manufacturing
2.1 Introduction
2.2 Simulation model of the L-PBF printer
2.3 Simulation results
2.4 Conclusions
References
Chapter 3 Investigation of optimizing the flow field with fluid cover in Laser-based Powder Bed Fusion manufacturing process
3.1 Introduction
3.2 Simulation model of L-PBF printer
3.3 Simulation results and discussion
3.4 Summary and conclusions
References
Chapter 4 Numerical investigation of controlling spatters with negative pressure pipe in Laser-based Powder Bed Fusion process
4.1 Introduction
4.2 Simulation model of L-PBF printer
4.3 Simulation results and discussions
4.4 Summary and conclusions
References
Chapter 5 Evolution of molten pool during Laser-based Powder Bed Fusion of Ti-6Al-4V
5.1 Introduction
5.2 Modeling approach and numerical simulation
5.3 Experimental procedures
5.4 Results and discussions
5.5 Conclusions
References
Chapter 6 Simulation of surface deformation control during Laser-based Powder Bed Fusion Al-Si-10Mg powder using an external magnetic field
6.1 Introduction
6.2 Modeling and simulation
6.3 Results
6.4 Conclusions
References
Chapter 7 Influence of laser postprocessing on pore evolution of Ti-6Al-4V alloy by Laser-based Powder Bed Fusion
7.1 Introduction
7.2 Experimental procedures
7.3 Modeling and simulation
7.4 Numerical results and discussion
7.5 Conclusions
References
Chapter 8 Evolution of multi pores in Ti-6Al-4V/Al-Si-10Mg alloy during laser post-processing
8.1 Introduction
8.2 Experimental procedures
8.3 Model and simulation
8.4 Numerical results and discussion
8.5 Conclusions
References
Chapter 9 Investigation of laser polishing of four Laser-based Powder Bed Fusion alloy samples
9.1 Introduction
9.2 Model and theoretical calculation
9.3 Experimental methods
9.4 Conclusions
References
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