Faculty
Location:Faculty&Staff > Faculty
XU Qingyan

School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

Tel: +86-10-62795482

Fax: +86-10-62773637, 62795482

E-mail: scjxqy@mail.tsinghua.edu.cn

Specialty: Integrated Computational Materials Engineering (ICME), Numerical simulation of casting process, metal solidification and casting, new casting materials and processes, directional solidification of Ni-based superalloy


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Education Background

1998, Ph. D., Harbin Institute of Technology, China

1995, M. S., Harbin Institute of Technology, China

1992, B. S., Harbin Institute of Technology, China


Work Resume

2013- Professor, Tsinghua University, China

2000-2013 Associate Professor, Tsinghua University, China

2008-2009 visiting scholar/research scientist, Worcester Polytechnic Institute, USA

2007.09-11 senior research scientist, IHI Corporation, Japan

1998-2000 Post-doctoral research fellow, Tsinghua University, China


Research Field

Integrated Computational Materials Engineering (ICME)

Modeling and Simulation of Material Processing (/casting process)

Numerical Simulation of Directional Solidification of Ni-based Superalloy Turbine Blades of Aero-engine and Industrial Gas Turbine

Microstructure Simulation of Al and Mg alloys

Development of New Casting Materials and Process


Awards And Honors

2012, Yokoyama Ryoji best paper award of Tsinghua University

2nd-Class Beijing Scientific and Technological Progress Award (2003)

2nd Class Best Paper Award of China Science and Technology Association (2008)

2nd-Class National Best Scientific and Technological Book Award (2003)

2nd-Class Best Advisor for Students Research Training Projects (2003, 2005)


Academic Achievements

Patents

Patent: Adaptive variable rate withdrawal method for single crystal turbine blade, ZL201110362376.3

Patent: Al-Ti-B-RE grain refiner and its manufacturing method, ZL200610011786.2

Computer software registration:Macro/micro-modeling of directional solidification of Ni-based superalloy turbine blade, 2009SRBJ5040

Selected Publications

1. Numerical Simulation Technology of Casting Process. Beijing: China Machine Press, 2004 (in Chinese) (book, 2nd author)

2. China Materials Dictionary Vol. 19: Casting Processing Engineering (2); Chapter 6—Casting CAD/CAE. Beijing: Chemical Industry Press, 2006 (in Chinese) (book, co-author)

Publication in English Journals:

3. Qingyan Xu, Hang Zhang, Xiang Qi, Baicheng Liu. Multiscale Modeling and Simulation of Directional Solidification Process of Turbine Blade Casting with MCA Method. Metallurgical and Materials Transactions B, 2013, 1-7  DOI 10.1007/s11663-013-9909-6

4. SHI Yu-feng, XU Qing-yan, LIU Bai-cheng. Simulation and experimental validation of three-dimensional dendrite growth. Trans. Nonferrous Met. Soc. China, 2012, 22(11): 2756?2761

5. Xu Qingyan, Liu Baicheng, Pan Dong, Yu Jing. Progress on modeling and simulation of directional solidification of superalloy turbine blade casting. China Foundry, 2012, 9(1): 68-77

6. ZHANG Hang, XU Qingyan, TANG Ning, PAN Dong, LIU Baicheng. Numerical Simulation of Microstructure Evolution during Directional Solidification Process in DS Turbine Blades. SCIENCE CHINA: Technological Sciences 2011, 54(12): 3191-3202

7. B.C. Liu, Q.Y. Xu. Microstructure modelling and simulation of shaped casting with MCA method. International Journal of Cast Metals Research, 2011, 24(3-4): 139-143

8. Baicheng Liu, Qingyan Xu, Tao Jing, et al. advances in Multi-scale Modeling of solidification and Casting processes. JOM, 2011, 63(4): 19-25

9. PAN Dong, XU QingYan & LIU BaiCheng. Three dimensional microstructure simulation of Ni-based superalloy investment castings. SCIENCE CHINA: Physics, Mechanics & Astronomy, 2011, 54 (5): 851-855

10. Dong Pan, Qingyan Xu, Baicheng Liu. Numerical Simulation of Grain Selection Behavior of Single Crystal Ni3Al Based Superalloy Casting Materials Science Forum Vols. 654-656 (2010) pp 1482-1485

11. Pan Dong, Xu Qingyan, Liu Baicheng. Modeling of Grain Selection during Directional Solidification of Superalloy Single Crystal Turbine Blade Casting. JOM, 2010, 62(5): 39-43

12. Dong Pan, Qingyan Xu, Baicheng Liu. Modeling of Microstructure Evolution in Directional Solidification of Ni-Based Superalloy Turbine Blade. Advanced Materials Research Vols. 97-101 (2010) pp 3207-3210

13. Qingyan Xu, Bin Li and Baicheng Liu. Application of Microstructure Simulation by Modified CA Method to Al Alloy Casting Production. Materials Science Forum Vols. 618-619 (2009) pp 199-202

14. D. Pan, Q.Y. Xu, J. Yu, B.C. et al. Numerical Simulation of Directional Solidification of Single Crystal Turbine Blade Casting. International Journal of Cast Metals Research, 2008, 21(1-3), 308-312

15. YU Jing, XU Qingyan, LIU Baicheng, et al. Experimental study and numerical simulation of directionally solidified turbine blade casting. Journal of Materials Science & Technology, 2008, 24(3): 369-373

16. Qingyan XU, Bin LI, Baicheng LIU. Numerical Modeling of Microstructure Evolution and Dendrite Growth in Alloy Solidification Process. Int. Journal of Materials and Product Technology., 2008, 33(1-2): 37-49

17. Z. Y. Liu, Q. Y. Xu, B. C. Liu. Dendrite Growth Modeling of Cast Mg Alloy. International Journal of Cast Metals Research, 2007, 20(3): 109-112

18. B. Li, Q. Y. Xu, B. C. Liu. Numerical Modeling of Microstructure Evolution and Dendrite Growth for Al-Si Alloy Casting during Low Pressure Die Casting. Materials Science Forum, Vols. 561-565 (2007) pp. 1787-1792

19. Jing Yu, Qingyan Xu, Baicheng Liu, Jiarong Li, Hailong Yuan. Numerical Simulation of Unidirectional Solidification Process of Turbine Blade Castings. Advanced Materials Research Vols. 26-28 (2007) pp. 947-952

20. Baicheng Liu, Shoumei Xiong, Qingyan Xu. Study on Macro and Micro-Modeling of Solidification Process of Aluminum Shape Casting. Metallurgical and Materials Transactions B, 2007, 38B: 525-532

21. Zhennan Fu, Qingyan Xu, Shoumei Xiong. Microstructure Simulation of Magnesium Alloy. Materials Science Forum, Vols. 546-549 (2007) pp. 133-137

22. Zhiyong LIU, Qingyan XU and Baicheng LIU. Microstructure Simulation of Die Casting AZ91D Alloy, Materials Science Forum, Vols. 546-549 (2007) pp. 109-112

23. Jing YU, Qingyan XU, Kai CUI, Baicheng LIU, Akihiko KIMATSUKA, Yasunori KUROKI, Atsushi HIRATA. Numerical Simulation of Solidification Process on Single Crystal Ni-Based Superalloy Investment Castings. Journal of Materials Science & Technology 2007, 23(1): 47-54

24. LIU Ying, XU Qingyan, LIU Baicheng. A Modified Cellular Automaton Method for the Modeling of the Dendritic Morphology of Binary Alloys. Tsinghua Science and Technology 2006, Volume 11, Number 5, pp495-500 June 2006

25. Li Bin, Xu Qingyan, Li Xudong et al. Numerical Simulation of Microstructure of Al-Si/SiCp Composites during Stir Casting Process with Particle Pushing Model. ISIJ Int, 2006, 46(2): 241-249

26. Zhang, XP; Xiong, SM; Xu, QY. 2006. Numerical methods to improve the computational efficiency of solidification simulation for the investment casting process. Journal of Materials Processing Technology, 2006, 173 (1): 70-74

27. Q.Y. Xu, B.C. Liu, Z.J. Liang, J.R. Li, S.Z. Liu, H.L. Yuan. Modeling of Unidirectional Growth in a Single Crystal Turbine Blade. Mater. Sci. Forum, 2006, 508: 111-116

28. Zhang XP, Chen G, Xiong SM, Xu QY. Computer simulation of the solidification of cast titanium dental prostheses Journal of Materials Science 40 (18): 4911-4916 2005

29. Qingyan Xu, Baicheng Liu. Modeling of Dendritic Structure during Solidification Process Based on Cellular Automaton Model. Materials Science Forum, Vol. 475-479 (2005) PRICM-5: 3137-3140

30. LIU Baicheng, XU Qingyan. Advances on Microstructure Modeling of Solidification Process of Shape Casting. Tsinghua Science and Technology, 2004, 9(5): 497-505

31. Xu Qingyan, Feng Weiming, Liu Baicheng. Coupled Macro-micro Modeling for Prediction of Grain Structure of Al Alloy. Transactions of Non-ferrous Metals Society of China, 2004, 14(1): 71-77

32. Zuojian Liang, Qingyan Xu and Baicheng Liu. 3D Modeling and Simulation of Dendritic Growth during Solidification. Journal of Materials Science and Technology, Volume 19 Suppl.1, 2003: 1-4

33. Qingyan Xu, Weiming Feng, Baicheng Liu. 3D Stochastic Modeling of Grain Structure for Aluminum Alloy Casting. Journal of Materials Science and Technology, 2003, 19(5): 391-394

34. Shuyong DONG, Zhuo ZHUANG, Qingyan XU, et al. Study on Numerical Simulation of Microporosity Evolution and Fatigue Life of Aluminum Alloy Casting. International Journal of Cast Metals Research, 2002, 15(4): 309-314

35. Q.Y. Xu, W.M. Feng, and B.C. Liu. A New Stochastic Modeling of the Dendritic Microstructure of Aluminum Alloy. International Journal of Cast Metals Research, 2002, 15(3):225-230

36. Weiming FENG, Qingyan XU, Baicheng LIU. Microstructure Simulation of Aluminum Alloy Using Parallel Computing Technique. ISIJ, 2002, 42(7): 702-707

37. Qingyan Xu, Baicheng Liu. Modeling of As-cast Microstructure of Al-Si Alloy with a Modified Cellular Automaton Method. Mater. Trans., Vol.42, No.11, 2001,2316-2321

38. Xu Q.Y., Chen Y.Y., Li Q.C. Fabricating of Open-Cell Porous Aluminum-Silicon Alloy with Pressure Casting. Journal of Materials Science and Technology, 1999, 15(1): 63-66


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