在《Int. J. Plasticity》、《Int. J. Fatigue》、《固体力学学报》、《金属学报》、《工程力学》等期刊上发表论文40 余篇。论文被SCI 收录13 篇、EI 收录27 篇、ISTP 收录7 篇。 代表性论文：

[1] Liu Yujie, Gao Qing, Kang Guozheng. A damage-coupled multi-axial time-dependent low cycle fatigue failure model for SS304 stainless steel at high temperature, Acta Metall. Sin.(Engl. Lett.),2011,24,169-174 (SCI)：

[2] Yujie Liu, Guozheng Kang, Qing Gao. A multiaxial stress-based fatigue failure model considering ratchetting–fatigue interaction, International Journal of Fatigue, 2010, 32(4):678-684. (SCI：556OE ，EI: 20095112563801)

[3] Liu Yujie, Kang Guozheng, Gao Qing. Stress-based fatigue failure models for uniaxial ratchetting-fatigue interaction, International Journal of Fatigue, 2008, 30(6)：1065-1073.  (SCI: 289QK, EI: 081211157464)

[4] 刘宇杰, 康国政, 高庆, 李钊. 循环软化材料单轴时相关循环变形行为的实验研究, 工程力学, 2008, 25(3): 68-72. （EI: 081611206720）

[5] 刘宇杰, 康国政, 高 庆, 李 钊. 退火42CrMo钢的棘轮-疲劳交互作用及其疲劳失效模型，工程力学, 2008, 25(11):186-191 （EI：20085011776805）

[6] Yujie Liu, Guozheng Kang, Yawei Dong. Experimental study on ratcheting-fatigue interaction of 20 carbon steel in uniaxial cyclic loading, International Conference on Experimental Mechanics 2008, ICEM 2008, Nanjing, China  (EI: 20100812728575)

[7] Kang Guozheng, Liu Yujie, Ding Jun. Multiaxial ratchetting-fatigue interaction of 42CrMo steels: experimental observations, International Journal of Fatigue, 2008, 30, 2104-2118. (SCI 363N; EI, 2008)

[8] 刘宇杰，蔡力勋, 杨显杰等. 描述1Cr18Ni9Ti不锈钢单轴棘轮行为的黏塑性本构模型，航空学报，2005,26(1):58-61.  (EI：05219118423)

[9] Liu Yujie, Kang Guozheng, Gao Qing, Multiaxial rachteting-fatigue interaction of SS304 stainless steel. 9th International Conference on Engineering Structural Integrity Assessment，Beijing，China，15th to 19th October 2007.

[10] Kang Guozheng, Liu Yujie. Uniaxial ratchetting and low-cycle fatigue failure of the steels with cyclic stabilizing or softening feature, Materials Science & Engineering A, 2008, 472(1-2), p258-268. （SCI: 255HP  EI: 20075010973360）

[11] Kang Guozheng, Liu Yujie, Ding Jun. Uniaxial ratcheting and fatigue failure of tempered 42CrMo steel: Experiments and damage-coupled visco-plastic constitutive model, International Journal of Plasticity, 2009,25,838-860（SCI：433ZU，EI：20091211964544）