Areas of research interest

Theoretical study of high temperature component integrity;

Modeling and simulation of creep crack growth;

Constraint-based fracture mechanics;

Reliability and failure analysis of in-service structure

Teaching

Welding Simulation Technology and Application

Honors and awards

Reward of the excellent Ph.D. dissertations in Tianjin University (2014);

First Prize of Tianjin Science and Technology Progress Award (2012)

Research projects

Investigation on creep life assessment approach for high temperature welded pipes under multiple cracks interaction, National Natural Science Foundation Project;

Research on the assessment platform for nuclear power plant components, Daya wan Nuclear Power Plant

Selected publications(Journal articles, patents and books)

1.Lei Zhao, Xu Lianyong, Han Yongdian, Jing Hongyang, Quantifying the constraint effect induced by specimen geometry on creep crack growth behavior in P92 steel, International Journal of Mechanical Sciences, 2015, 94-95:63-74.

2.Lei Zhao, Xu Lianyong, Han Yongdian, Jing Hongyang, Two-parameter characterization of constraint effect induced by specimen size on creep crack growth, Engineering Fracture Mechanics, 2015, 143:121-137.

3.Lei Zhao, Jun Liang, Qunpeng Zhong, Numerical simulation on the effect of welding parameters on welding residual stresses in T92/S30432 dissimilar welded pipe, Advances in Engineering Software, 2014, 68:70-79. 

4.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Experimental investigation of specimen size effect on creep crack growth behavior in P92 steel welded joint, Materials and Design, 2014, 57:736-743. 

5.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Effect of residual stress on creep crack growth behavior in ASME P92 steel, Engineering Fracture Mechanics, 2013, 110(0): 233-248. 

6.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Evaluating of creep property of distinct zones in P92 steel welded joint by small punch creep test, Materials and Design, 2013, 47: 677-686.

7.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Evaluation of constraint effects on creep crack growth by experimental investigation and numerical simulation, Engineering Fracture Mechanics, 2012, 96(0): 251-266.

8.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Analysis of creep crack growth behavior of P92 steel welded joint by experiment and numerical simulation, Materials Science and Engineering: A, 2012, 558:119-128.

9.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Prediction of creep crack growth behavior in ASME P92 steel welded joint, Computational Materials Science, 2012, 61(0): 185-193. 

10.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Numerical investigation of factors affecting creep damage accumulation in ASME P92 steel welded joint, Materials and Design, 2012, 34(0): 566-575. 

11.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Experimental study on creep damage evolution process of Type IV cracking in 9Cr-0.5Mo-1.8W-VNb steel welded joint, Engineering Failure Analysis, 2012, 19(0): 22-31.

12.Lei Zhao, Hongyang Jing, Lianyong Xu, Han Yongdian, Investigation on mechanism of Type IV cracking in P92 steel at 650 C, Journal of Materials Research, 2011, 26(7): 934-43.< br>13.Guangchun Xiao, Hongyang Jing, Lianyong Xu, Lei Zhao, Prediction of temperature and prestraining effects on fracture toughness of high-strength structural steel by the local approach, Materials Science and Engineering: A, 2011, 528(7-8): 3044-3048. 

14.Xiu Junjie, Hongyang Jing, Han Yongdian, Lei Zhao, Effect of Groove on Socket Welds under the Condition of Vibration Fatigue, Journal of Nuclear Materials, 2013, 443(1-3): 10-16. 

15.Junchao An, Hongyang Jing, Guangchun Xiao, Lei Zhao, Lianyong Xu, Analysis of the Creep Behavior of P92 Steel Welded Joint. Journal of Materials Engineering and Performance, 2011, 20(8): 1474-1480.