Experimental Investigation on Laser Forming Process

英文文摘

Chapter 1 Introduction

1.1 Introduction of laser forming

1.2 Characteristic and Advantages of Laser Forming process

1.3 The state of laser forming

1.3.1 Experimental research

1.3.2 Numerical Analysis ＆Analytical Models

1.4 Objectives of the thesis

Chapter 2 Laser Forming Process

2.1 The system of laser forming

2.2 Mathematic model of laser forming

2.3 Basic principles behind the laser forming

2.2.1 Temperature Gradient Mechanism (TGM)

2.2.2 Buckling Mechanism

2.2.3 Upsetting Mechanism

Chapter 3 Experimental Works

3.1 Objective of the experimental works

3.2 Laser forming with straight lines (2D LF)

3.3 Laser forming with different path (3D LF)

3.3.1 Experiments set-up

3.3.2 Forming of spherical dome

3.3.3. Forming of saddle shape

3.4 Laser forming of tube

3.5 Some applications of laser forming

3.5.1 Laser forming of cone

3.5.2 Forming of box shape

3.5.3 Forming of vane

Chapter 4 Results and Discussion

4.1 Results of 2D laser forming (Straight lines scanning)

4.1.1 Microstructural evolution

4.1.2 Effect of laser parameters on the depth of HAZ

4.1.3 Microhardness test

4.1.4Influence of laser parameters on the hardness

4.2 Results of 3D laser forming

4.2.1 The formed Spherical dome

4.2.2 The formed saddle shape

4.3 Results of tube forming

4.4 Results of cone forming

4.5 Result of box forming

4.6 Result of vane forming

Conclusion

References

Published papers

Acknowledgements

哈尔滨工业大学硕士学位论文原创性声明

哈尔滨工业大学硕士学位论文使用授权书