Education background
Ph.D., School of Mechanical Engineering, Xi'an Jiaotong University, 1998
B.E., Department of Mechanical Engineering, Xi'an Jiaotong University, 1994
Experience
2011.10-2013.10, LAS, TWI Ltd. Great Abington, Cambridge, UK, Marie Curie Fellow
2004.9-present, Department of Mechanical Engineering, Tsinghua University, Beijing, China, Assistant professor, Associate Professor
2002.9-2004.8, Department of Mechanical Engineering, Tsinghua University, Beijing, China, Post-doctor
1999.8-2002.8, Department of Mechanical Engineering, University of Waterloo, Waterloo, Canada, Post-doctor
Teaching work
2008-2010, Comprehensive English Training and Practice, 32 units, for undergraduate students
2014-present, Fundamentals of Finite Element Method in Engineering, 32 units, for graduate students
Areas of Research Interests/ Research Projects
Modeling and simulation of welding processes
Welding mechanics
Structure integrity assessment
Advanced Materials Joining Processes
- Laser welding, Laser additive manufacturing
- Weld-bonding
- Micro-resistance spot welding
- Wire bonding
Honors And Awards
Cu-based composites and surface coating technology for resistance spot welding electrodes. Third Class Natural Science Awards of Hu Bei Province, China. 2007.12
Influences of material and structural factors on the stress conditions in Cu/low-k chips during Cu wire bonding. JCAP Outstanding Paper Awards at the 15th International Conference on Electronics Packaging Technology. 2014.08
Academic Achievement
[1] B.H. Chang. Modeling of fusion microwelding. Microjoining and nanojoining (Edited by Y.Zhou), Woodhead Publishing Limited, Cambridge, England, 121-158, 2008
[2] Xiaoyi Bai, Baohua Chang, Dong Du. Finite element analysis of influence of passivation layer on Cu/low-k structure during thermosonic Cu wire bonding. IOP Conf. Series: Materials Science and Engineering, 2014, 61: 012037(1-7)
[3] Baohua Chang, Chris Allen, Jon Blackburn, Paul Hilton. Thermal and fluid flow characteristics and their relationships with porosity in laser welding of AA5083. Physics Procedia, 2013, 41: 478-487.
[4] H. Huang, B. H. Chang, D. Du. Effect of superimposed ultrasound on mechanical properties of copper. Materials Science and Technology, 2011, 27(7): 1117-1122.
[5] Baohua Chang, Shaojun Bai, Dong Du, Hua Zhang, Y. Zhou. Studies on the micro-laser spot welding of an NdFeB permanent magnet with a low carbon steel. Journal of Materials Processing Technology, 2010, 210(6-7): 885-891.
[6] B.H. Chang, D. Du, B. Sui, Y. Zhou, Z. Wang, F. Heidarzadeh. Effect of forging force on fatigue behavior of spot welded joints of aluminum alloy 5182. ASME Journal of Manufacturing Science and Engineering. 2007, 129(1): 95-100.
[7] B.H. Chang, M.V. Li and Y. Zhou, Comparisons between Small-Scale and "Large-Scale" Resistance Spot Welding, Science and Technology of Welding and Joining, 2001, 6(5): 1-8.
[8] Baohua Chang, Yaowu Shi, Shijie Dong. Comparative studies on stresses in weldbonded, spot welded and adhesive bonded joints. Journal of Materials Processing Technology, 1999, 87(1-3): 230-236.