个人简述:

2017年度陕西高等学校科学技术奖一等奖，成果名称：新型微电子封装焊料及互联结构可靠性研究，学科门类：数理力学，完成人：姚尧，乔吉超，龙旭，何许，王月兴，姚志锋

科研工作:

2014年12月-至今，西北工业大学，力学与土木建筑学院，讲师 2014年2月-2014年12月，INTECSEA, WorleyParsons Group，高级有限元分析工程师（Senior FEM Engineer） 2011年10月- 2014年02月，新加坡南洋理工大学，防灾及防护科技研究中心，副研究员（Research Associate） 2009年2月-2009年8月，新加坡南洋理工大学，防灾及防护科技研究中心，项目研究员（Project Officer） 1. 主持国家自然科学基金委员会青年科学基金项目“钢筋混凝土动态粘结-滑移关系及其结构抗连续倒塌性能影响研究”（2016年-2018年） 2. 主持陕西省自然科学基础研究计划面上项目“热电力作用下无铅焊点不同尺度损伤演化规律及力学性能研究”（2017年-2018年） 3. 主持中国航天科技集团公司西安空间技术研究院横向外协项目“功率型偏贴装工艺研究”（2017年） 4. 主持航天科学技术基金项目“温度循环条件下PBGA力学性能退化规律及寿命预测研究”（2017年） 5. 主持中央高校基本科研业务费项目“微纳米无铅焊点微缺陷所致损伤演化机理及其宏观影响研究”（2016年-2017年） 6. 主持西北工业大学全英文课程建设项目，课程名称：Theory and design of reinforced concrete component to EuroCode2，课程编号：U06M12059.01（2016年-2017年） 7. 第一参与人，国家自然科学基金委员会国家自然科学基金面上项目“多物理场下烧结纳米银材料及封装互连结构力学行为研究”（2018年-2021年） 8. 第二参与人，国家自然科学基金委员会国家自然科学基金面上项目“热电力耦合作用下焊点多尺度损伤机理研究”（2016年-2019年） 9. 参加并完成南洋理工大学与新加坡内务部（Ministry of Home Affairs）合作项目“预制混凝土结构与钢-混凝土组合结构节点在柱失效情况下的结构承载力研究”（2010年-2014年） 学术专著： 龙旭，姚尧，钢筋混凝土框架抗连续倒塌计算结构力学，科学出版社，2017。  SCI期刊文章（*通讯作者，中科院分区）: 1. X Long*, Wenbin Tang, Yihui Feng, YaoYao, Leon M. Keer (2018). Strain rate sensitivity of sintered silver nanoparticles using rate-jump indentation. International Journal of Mechanical Sciences. V. 140, pp 60-67. (Q2, IF=3.192). 2. X Long*, WB Tang, MF Xu, LM Keer, Y Yao (2018). Electric current assisted creep behaviour of Sn-3.0Ag-0.5Cu solder. Journal of Materials Science, V. 53, No. 8, pp 6219-6229. (Q2, IF=2.326) 3. X Long*, WB Tang, SB Wang, X He, Y Yao (2018). Annealing effect to constitutive behavior of Sn-3.0Ag-0.5Cu solder. Journal of Materials Science: Materials in Electronics, https://doi.org/10.1007/s10854-018-8705-0 (accepted). (Q3, IF=2.019). 4. Y Yao*, X Long, LM Keer* (2017). A review of recent research on the mechanical behavior of lead-free solders. Applied Mechanics Reviews, V.69, No.4, 040802. (Q2, Mechanics Q1, IF=7.921) 5. X Long*, X He, Y Yao* (2017). An improved unified creep-plasticity model for SnAgCu solder under a wide range of strain rates. , V.52, No.10, pp. 6120-6137. (2.326) 6. X Long*, SB Wang, YH Feng, Y Yao, LM Keer (2017). . Materials Science & Engineering: A, V. 696, No.1, pp. 90-95. (Q2, IF=2.541) 7. X Long*, SB Wang, X He, Y Yao* (2017). Annealing optimization for tin-lead eutectic solder by constitutive experiment and simulation. , V.32, No.163089-3099.(Q3, IF=1.680) 8. X Long*, YH Feng, Y Yao (2017). Cooling and annealing effect on indentation response of lead-free solder. International Journal of Applied Mechanics, V.9, No.4, 1750057. (Q3, IF= 1.468) 9. HC Guo, X Long*, Y Yao* (2017). Fire resistance of concrete filled steel tube columns subjected to non-uniform fire conditions. V.128, pp. 542-554. 10. JD Wang, X Long, Y Yao* (2017). Effects of aging temperature on tensile and fatigue behavior of Sn-3.0Ag-0.5Cu solder joints. Journal of Materials Science: Materials in Electronics, V.28 (19), pp. 14884-14892. (Q3, IF=2.019). 11. SB Wang, Y Yao*, X Long (2017). Size effect on microstructure and tensile properties of Sn3.0Ag0.5Cu solder joints. Journal of Materials Science: Materials in Electronics, V.28 (23), pp. 17682-17692. (Q3, IF=2.019). 12. Y Yao*, R An, X Long (2017). Effect of electric current on fracture and constitutive behavior of Sn-Ag-Cu solder joints. , V.171, pp. 85-97. (Q3, IF=1.818) 13. CH Chen*, YF Zhu, Y Yao, Y Huang, X Long (2016). An evaluation method to predict progressive collapse resistance of steel frame structures, Journal of Constructional Steel Research, V.122, pp. 238-250.(Q3, IF=1.464) 14. X Long*, YX Wang, LM Keer, Y Yao* (2016). Mechanical effects of isolated defects within a lead-free solder bump subjected to coupled thermal-electrical loading, Journal of Micromechanics and Molecular Physics, V. 1, No. 1:1650004 (invited paper). 15. X Long*, CK Lee (2015). Improved strut-and-tie method for 2D RC beam-column joints under monotonic loading, Computers and Concrete, V.15, No.5, pp.807-831. (Q4, IF=0.849) X Long*, CK Lee (2015). Modelling of two dimensional reinforced concrete beam-column joints subjected to monotonic loading, Advances in Structural Engineering, V. 18, No. 9, pp. 1461-1474. (Q4, IF=0.577) 17. X Long*, F Ge, YS Hong (2015). Feasibility study on buoyancy-weight ratios of a submerged floating tunnel prototype subjected to hydrodynamic loads, Acta Mechanica Sinica, V. 31, No. 5, pp. 750-761. (Q4, IF=0.832) , KH Tan, CK Lee (2014). Bond stress-slip prediction under pullout and dowel action in reinforced concrete joints, ACI Structural Journal, V. 111, No. 4, pp. 977-988. (Q3, IF=1.227) 19. X Long*, JQ Bao, KH Tan, CK Lee (2014). Numerical simulation of reinforced concrete beam/column failure considering normal-shear stress interaction, Engineering Structures, V. 74, September, pp. 32-43. (Q2, IF=1.893) 20. X Long*, WF Yuan, KH Tan, CK Lee (2013). A superelement formulation for efficient structural analysis in progressive collapse, Structural Engineering and Mechanics, V. 48, No. 3, pp. 309-331. (Q4, IF=1.021) 21. X Long*, KH Tan, CK Lee (2013). A 3D co-rotational beam element for steel and RC framed structures, Structural Engineering and Mechanics, V. 48, No. 5, pp. 587-613. (Q4, IF=1.021) 22. X Long*, F Ge, L Wang, YS Hong (2009, Acta Mechanica Sinica, V. 25, No. 3, pp. 335-344. (Q4, IF=0.832) 23. JQ Bao*, X Long, KH Tan, CK Lee (2013). A new generalized Drucker–Prager flow rule for concrete under compression, Engineering Structures, V.56, pp. 2076–2082. (Q2, IF=1.893) 24. F Ge*, X Long, L Wang, YS Hong (2009). Flow-induced vibrations of long circular cylinders modeled by coupled nonlinear oscillators, Science China Series G: Physics Mechanics and Astronomy, V. 52, No. 7, pp. 1086-1093. (Q4, IF=1.575) 会议文章 (2016-2017)： 1. X Long*, WB Tang, WJ Xia, YP Wu, LF Ren, Y Yao (2017). Nanomechanical properties of pressure-less sintered silver nanoparticles. 19th Electronics Packaging Technology Conference (EPTC 2017), IEEE, Singapore, December 6-9, 2017. (EI) 2. X Long*, WB Tang, ZH Zhu, YP Wu, LF Ren, Y Yao (2017). Creep behavior of annealed lead-fee solder for high-power electronic device. 2nd International Conference on Applied Mechanics and Mechatronics Engineering (AMME2017). Shanghai, November 26-27, DOI: 201710.12783/dtetr/amme2017/19478. (EI) 3. X Long*, WB Tang, ZH Zhu, YP Wu, LF Ren, Y Yao (2017). Determination of Young’s modulus of tensile specimen for lead-free solder. 2nd International Conference on Applied Mechanics, Electronics and Mechatronics Engineering (AMEME2017), Beijing, October 22-23, 2017, DOI: 10.12783/dtetr/ameme2017/16239. (EI) 4. 龙旭* ，汤文斌，王绍斌，何许，姚尧（2017），适用于SnAgCu焊料大应变率范围的统一蠕变塑性本构模型，中国力学大会暨庆祝中国力学学会成立60周年大会，北京，2017年8月13-16日。 5. X Long*, Y Yao, YP Wu, WJ Xia, LF Ren (2017). Effect of thermal cycling on tensile behaviour of SAC305 solder. 18th International Conference on Electronic Packaging Technology (ICEPT 2017), IEEE, August 16-19, 2017, DOI: 10.1109/ICEPT.2017.8046408. (EI) 6. X Long, Y Yao*, LM Keer (2016). Effect of isolated intermetallic compounds under electromigration in lead-free solders. 24th International Congress of Theoretical and Applied Mechanics, 21-26 August 2016, Montreal, Canada. 7. X Long*, BJ Chen, Y Yao (2016). Thermo-visco-plastic constitutive model for lead-containing and lead-free solders subjected to monotonic and cyclic loadings. 17th International Conference on Electronic Packaging Technology (ICEPT 2016), IEEE, DOI: 10.1109/ICEPT.2016.7583084 (EI) 8. YX Wang, X Long, Y Yao* (2016). Theoretical study of thermomigration effect on thepancake void propagation at the current crowdingzone of solder joints. 17th International Conference on Electronic Packaging Technology (ICEPT 2016), IEEE, DOI: 10.1109/ICEPT.2016.7583174 (EI) 9. X Long*, HC Guo (2016).Fire resistance study of concrete in the application of tunnel-like structures. Procedia Engineering V. 166, pp. 13-18. (EI)

教育背景:

2009年8月-2013年1月，新加坡南洋理工大学，结构力学，博士 2006年9月-2009年1月，中国科学院力学研究所，固体力学，硕士 2002年9月-2006年7月，同济大学，工程力学，学士