Gong Baoming

Research direction

Size effects on ductile fracture of materials and structures;

Education

Polytechnic of Turin, Turin, Italy              Oct. 2008 - Apr. 2012;
Doctoral Degree, Department of Structural and Geotechnical Engineering;  
Academic Tutor: Prof. Alberto Carpinteri; Co-advised by Dr. Mauro Corrado and Prof. Marco Paggi.
Dissertation Title: Hardening cohesive/overlapping zone model and fractal approach to ductile fracture.
Tianjin University, Tianjin, China            Sep. 2006 - Jun. 2008;
Master Degree in Metallic Material Process Engineering, Department of Materials Science and Engineering.
Tianjin University, Tianjin, China            Sep. 2002 - Jun. 2006;
Master Degree in Metallic Material Process Engineering, Department of Materials Science and Engineering.

Areas of research interest

Constraint effects on ductile fracture and welded structures;
Effects of microstructural heterogeneity on fracture and fatigue;
Cohesive crack model and its application in fracture and fatigue;
Fracture and deformation at nano-scale by molecular dynamics simulation;

Teaching

Welded Structure; Fracture Mechanics

Research projects

a) Italian Project of National Interest (PRIN): Advanced applications of Fracture Mechanics for the study of integrity and durability of materials and structure. Principle Investigator: Prof. Alberto Carpinteri (2010-2012);
b) The grant from the National Natural Science Foundation of China: Size effects on fracture properties and structural integrity assessments of welded structures (Euro 36,000) (Contract No. E51305295 2013-2016; Principle Investigator);
c) The grant from the National Natural Science Foundation of China: Investigation of the microstructural heterogeneity on the gigacycle fatigue behaviors of the welded joints of light-alloys (Aluminum alloy and Titanium alloy) (Euro 115,000) (Contract No. E050803; 2014-2017; Vice-coordinator);
d) The grant from China National Offshore Oil Corp.: The research on Engineering Critical Assessment of welded joints in the offshore structures with thick wall (Euro 283,000)  (Contract No. Z13JZENY151; 2012-2014; Vice-coordinator);

Selected publications (Journal articles, patents and books)

[1] Gong B*, Chen Q, Wang D. Molecular dynamics study on size-dependent elastic properties of silicon nanoplates. Materials Letters 67: 165-8, 2012.

[2] Gong B*, Paggi M and Carpinteri A. A cohesive crack model coupled with damage for interface fatigue problems. International Journal of Fracture, 173(2):91-104, 2012.

[3] Carpinteri A, Gong B, Corrado M. Hardening Cohesive/Overlapping Zone Model for metallic materials: The size-scale independent constitutive law. Engineering Fracture Mechanics, 82: 29–45, 2012.

[4] Zhang T, Wang D, Wang Y, Deng C, Gong B. Surface alloying method of ultrasonic shot peening on iron surface. Applied Surface Science. 265:671–676, 2013.

[5] Wang T, Wang D, Liu G and Gong B et al.. Investigations on the nanocrystallization of 40Cr using ultrasonic surface rolling processing. Applied Surface Science. 255:1824-29, 2008.

[6] Zhao Y, Gong B* and Deng C. A fractal interpretation of size effects on the strength of metallic glasses.  Physics Letters A. 377:2877–9, 2013.

[7] Du Y, Pugno N, Gong B*, Wang D, Sun Y and Ding Q. Mechanical properties of the hierarchical honeycombs with stochastic Voronoi sub-structures. Europhysics Letters, 111:56007,2015.

[8] Sun Y, Pugno N, Gong B* and Ding Q. A simplified hardening cohesive zone model for bondline thickness dependence on adhesive joints. International Journal of Fracture, 194:37–44, 2015.

[9] Deng C, Wang H, Gong B*, Li X and Lei Z. Effects of microstructural heterogeneity on very high cycle fatigue properties of 7050-T7451 aluminum alloy friction stir butt welds. International Journal of Fatigue 83(2): 100–8,2016.

[10] Wang D, Zhang H, Gong B* and Deng C. Residual stress effects on fatigue behaviour of welded T-joint: A finite fracture mechanics approach. Materials & Design, 91: 211-7, 2016.

[11] Deng C, Liu Y, Gong B*, and Wang D. Numerical implementation for fatigue assessment of butt joint improved by high frequency mechanical impact treatment. International Journal of Fatigue 92 (2016) 211–219.

[12] Li Y, Wang D, Gong B*, and Deng C. Enhanced wear resistance by combined ultrasonic impact and electro-spark melting. Surface Engineering, 1-7.

[13] Deng C, Gao R, Gong B*, Yin T and Liu Y. Correlation between micro-mechanical property and very high cycle fatigue (VHCF) crack initiation in friction stir welds of 7050 aluminum alloy. International Journal of Fatigue; 104:283-292, 2017.

[14] Zhang C, Gong B*, Deng C and Wang D. Computational prediction of mechanical propeties of a C-Mn weld metal based on the microstructures and micromechanical properties. Materials Science and Engineering A 685 (2017) 310–316.

[15] Li Y, Gong B*, Corrado M, Deng C and Wang D. Experimental investigation of out-of-plane constraint effect on fracture toughness of the SE(T) specimens. International Journal of Mechanical Sciences 2017:128, 644-651.

[16] Deng C, Niu Y, Gong B*, Liu Y, Wang D. Numerical assessment of fatigue design curve of welded T-joint improved by high-frequency mechanical impact (HFMI) treatment. Advances in Engineering Software; In press.

[17] Zhang C, Gong B*, Deng C and Wang D. Orientation dependence of deformation and failure in a C-Mn weld metal. Journal of Materials Processing Technology 250, 363-371.

[18] Gong B, Cui S, Zhao Y, Sun Y and Ding Q. Strain-controlled fatigue behaviors of porous PLA-based scaffolds by 3D-printing technology. Journal of Biomaterials Science, Polymer Edition, 1-13.

[19] Xiaogang Li, Gong B*, Deng C and Yizhe Li Failure mechanism transition of hydrogen embrittlement in AISI 304 K-TIG weld metal under tensile loading. Corrosion Science. Accepted.