1)       Cyclic deformation and damage mechanism of titanium alloys, zirconium alloys at low and high-cycle fatigue

2)       Phase transformation and microstructural revolution of titanium alloy

3)       Deformation modes and size effect in metallic crystals

4)       Microstructure and mechanical behaviors of the alloys with nano-gradient surface layer

(1) Experience of rearch & study abroad

12/2001-06/2005 School of Materials Science and Engineering, Xi’an Jiaotong University, Assistant Professor.

07/2005-11/2011 School of Materials Science and Engineering, Xi’an Jiaotong University, Associate Professor.

12/2011-now School of Materials Science and Engineering, Xi’an Jiaotong University, Professor.

03/2010-03/2011 Applied physics and materials science, California Institute of Technology, USA, Visiting Scholar.

08/2015-09/2015 Center for Studies in Higher Education, University of California, Berkeley, USA, Short term Visiting.

(2) Experience of attending international conferences

1)     The 13^th World Conference on Titanium(Ti-2015), August 15-20,2015, San Diego, CA, USA

2)     The 14^th International Union of Materials Research Societies-International Conference on Advanced Materials.Oct.25-29,2015,Jeju,Korea

3)     The 20^th Europe Conference on Fracture, June 30-July 4, 2014, Trondheim, Norway

4)     Junior Euromat 2012，July 22 to 27, 2012, Lausanne, Switzerland

5)     TMS 2011,140^th Annual Meeting and Exhibition. Feb.28-Mar.3,2011,San Diego, CA,USA

07/1994 Materials science, Xi’an Institute of Technology, Bachelor.

07/1997 Materials science, Xi’an Institute of Technology, Master.

12/2001 Materials science, Xi’an Jiaotong University, Ph.D.

1）Wang Kuancheng education award(2013)

2）Teaching Award in Xi’an Jiaotong University (2011)

3）Zhou Huijiu academic scholarship(2009)  

4）Teaching Award in Xi’an Jiaotong University (2007)

1 Qi Wang, Qiaoyan Sun*, Lin Xiao, Jun Sun. Torsion fatigue behavior of pure titanium with a gradient nanostructured surface layer. Materials Science & Engineering A 649 (2016) 359–368.

2 Qi Wang, Qiaoyan Sun*, Lin Xiao, and Jun Sun. Effect of Surface Nanocrystallization on Fatigue Behavior of Pure Titanium. Journal of Materials Engineering and Performance. 25(2016):241-249

3 Changsheng Tan, Xiangli Li, Qiaoyan Sun*, Lin Xiao, Yongqing Zhao , Jun Sun. Effect of -phase morphology on low-cycle fatigue behavior of TC21 alloy. International Journal of Fatigue. 75 (2015) 1–9.

4 Yan-fei YIN, Wei XU, Qiao-yan SUN*, Lin XIAO, Jun SUN. Deformation and fracture behavior of commercially pure titanium with gradient nano-to-micron-grained surface layer. Trans. Nonferrous Met. Soc. China 25(2015) 738−747

5 Junqiang Ren, Qiaoyan Sun, Lin Xiao , Xiangdong Ding, Jun Sun. Phase transformation behavior in titanium single-crystal nanopillars under [0001] orientation tension: A molecular dynamics simulation. Computational Materials Science 92 (2014) 8–12

6 Junqiang Ren, Qiaoyan Sun, Lin Xiao , Xiangdong Ding, Jun Sun. Size-dependent of compression yield strength and deformation mechanism in titanium single –crystal nanopillars orientated [0001] and [11-20]. Materials Science & Engineering A, Vol.A615 (2014) 22–28.

7 Qi Wang, Yanfei Yin, Qiaoyan Sun, Lin Xiao  and Jun Sun. Gradient Nano Microstructure and Its Formation Mechanism in Pure Titanium Produced by Surface Rolling Treatment. Journal of Materials Research.Vol.29, No.4, 2014: 569-577

8 Junqiang Ren, Qiaoyan Sun, Lin Xiao , Xiangdong Ding,Jun Sun. Molecular dynamics simulations of the size effect of titanium single-crystal nanopillars orientated for double prismatic slips, Philosophical Magazine Letters, Vol. 93, No. 10, 2013，583–590,

9 Qiaoyan Sun*, Yanling Xu, Lin Xiao, Jun Sun, Peng Ge. The Effect of oxygen on menchanical  properties and deformation modes of Ti-2Al-xO  alloys at Different Temperatures. 12^th World Conference of Titanium, 2012:1187-1190

10 Q.Y. Sun, Q. Guo, Xi.Yao, L. Xiao, Julia R. Greer, J. Sun*. Size Effects in Strength and Plasticity of Single Crystalline Titanium Micro-pillars with Prismatic Slip Orientation. Scripta Materialia, 2011, 65:473-476

11 Wei Chen, Qiaoyan Sun, Lin Xiao, Jun Sun, Deformation-induced microstructure refinement in primary alpha phase-containing Ti-10V-2Fe-3Al alloy, Materials Science and Engineering A 527(2010), 7225-7234.

12 Wei Chen, Zhenya Song, Qiaoyan Sun, Lin Xiao, Wenbo She, Jun Sun, Peng Ge, Effect of solution treatment temperature on trigger stress for stress induced martensitic transformation in Ti-10V-2Fe-3Al alloy, Journal of Solid Mechanics and Materials Engineering, 4 (2010) 1296-1305.

13 Z.Y. Song, Q.Y. Sun, L. Xiao, L. Liu, J. Sun. (2010): Effect of prestrain and aging treatment on microstructures and tensile properties of Ti–10Mo–8V–1Fe–3.5Al Alloy, Materials Science and Engineering A, 527,2010:691–698

14  H. Wang, Q.Y. Sun, L. Xiao, J. Sun, P. Ge. Low-cycle fatigue behavior and deformation substructure of Ti-2Al-2.5Zr alloy at 298 and 673K. Materials Science and Engineering A，2010, 527(15), 3493-3500.

15 Z. Y. Song, Q. Y. Sun, L. Xiao, L. Liu, et al., The influence of cold prior deformation on precipitation of alpha phase and variation of hardness in Ti-10Mo-8V-1Fe-3.5Al during aging treatment, Journal of Materials Research, 2009,24(2):452

16 H. WANG, Y.L. XU, Q.Y. SUN, L. XIAO, and J. SUN .Effect of Grain Size and Testing Temperature on Low Cycle Fatigue Behavior and Plastic Deformation Mode of Ti-2Al-2.5Zr. Metallurgical and Materials Transaction A. 40A，2009：2631.

17 X Yao, Q Y Sun, L Xiao, J Sun. Effect of Ti₂Cu precipitates on mechanical behavior of Ti-2.5Cu alloy subjected to different heat treatments. Journal of Alloys and Compounds. 484 (2009)：196

18 W. Chen, Z.Y. Song, L. Xiao, Q.Y. Sun, and J. Sun .Effect of prestrain on microstructure and mechanical behavior of aged Ti-10V-2Fe-3Al alloy. Journal of Materials Research. Vol. 24, No. 9, 2009：2899

19 Q.Y.Sun, Z.T. Yu , R.H. Zhu. Dynamic fracture toughness of Ti–2.5Cu alloy strengthened with nano-scale particles at room and low temperatures. Materials Science and Engineering A 483–484 (2008)131

20 Sun Qiaoyan, Lin Xiao, Jun Sun.Impact toughness of Titanium Alloys with Different strengthening methods. Key Engineering Materials. Vols.353-358,2007:433-437

21 Q Y Sun, R H Zhu, Z T.Yu, H C Gu. Mechanical Behavior and Deformation modes of commercially pure titanium under impact tensile Load. Practical Metallography. Vol.43, 2006:629-636