1) Buckling/wrinkling of metal films on soft substrates
2) Stretchability and interfacial adhesion characterization of thin metal films on polymer substrates
3) Deformation behavior of metal films/nanostructured metallic multilayer films

04/2016-now, Materials Science and Engineering, Xi’an Jiaotong University, Lecturer

09/2006—07/2010 Materials Science and Engineering, Xi’an University of Technology    Bachelor
09/2010—04/2016 Materials Science and Engineering, Xi’an Jiaotong University. Ph.D

[1] Wu K, Zhang JY, Li J, Wang YQ, Liu G, Sun J. Length-scale-dependent cracking and buckling behaviors of nanostructured Cu/Cr multilayer films on compliant substrates. Acta Materialia, 2015, 100:344-358.

[2] Wu K, Zhang JY, Liu G, Zhang P, Cheng PM, Li J,Zhang GJ, Sun J. Buckling behaviors and adhesion energy of nanostructured Cu/X (X = Nb, Zr) multilayer films on a compliant substrate. Acta Materialia, 2013, 61:7889-7903.

[3] Wu K, Zhang JY, Zhang P, Wang YQ, Liu G, Zhang GJ, Sun J. Fracture behavior and adhesion energy of nanostructured Cu/Mo multilayer films. Materials Science and Engineering: A, 2014, 613:130-135.

[4] Wu K, Zhang JY, Liu G, Li J, Zhang GJ, Sun J. An easy way to quantify the adhesion energy of nanostructured Cu/X (X=Cr, Ta, Mo, Nb, Zr) multilayer films adherent to polyimide substrates. Acta Metallurgica Sinica (English Letters), 2016, 29(2):181-187

[5] Wang YQ, Zhang JY, Liang XQ, Wu K, Liu G, Sun J. Size- and constituent-dependent deformation mechanisms and strainrate sensitivity in nanolaminated crystalline Cu/amorphous Cu-Zr films. Acta Materialia, 2015, 95: 132-144.

[6] Zhang P, Zhang JY, Li J, Liu G, Wu K, Wang YQ, Sun J. Microstructural evolution, mechanical properties and deformation mechanisms of nanocrystalline Cu thin films alloyed with Zr. Acta Materialia, 2014, 76:221-237.

[7] Zhang JY, Liang XQ, Zhang P, Wu K, Liu G, Sun J. Emergence of external size effects in the bulk-scale polycrystal to small-scale single-crystal transition: A maximum in the strength and strain-rate sensitivity of multicrystalline Cu micropillars. Acta Materialia, 2014, 66:302-316.

[8] Zhang JY, Wu K, Zhang P, Wang RH, Liu G, Zhang GJ, Sun J. An easy way to prepare layered nanoplatelets: Fragment of nanostructured multilayers. Journal of Applied Physics. 2012, 111:113519.

[9] Zhang JY, Wang YQ, Wu K, Zhang P, Liu G, Zhang GJ, Sun J. Strain rate sensitivity of nanolayered Cu/X (X=Cr, Zr) micropillars: Effects of heterophase interface/twin boundary. Materials Science and Engineering: A, 2014, 612:28-40.

[10] Zhang JY, Zeng FL, Wu K, Wang YQ, Liang XQ, Liu G, Zhang GJ, Sun J. Size-dependent plastic deformation characteristics in He-irradiated nanostructured Cu/Mo multilayers: Competition between dislocation-boundary and dislocation-bubble interactions. Materials Science and Engineering A, 2016, 673:530~540.