三维定量电子显微学；
高温合金和钛合金结构演化及其对材料性能的作用机理

近期发表论文：
1.C.Y. Wang, H.C. Duan, C.J. Chen, P. Wu, D.Q. Qi, H.Q. Ye, H.J. Jin, H.L. Xin, K. Du*, “Three-dimensional atomic structure of grain boundaries resolved by atomic- resolution electron tomography”, Matter 3 (2020) 1999.
2.L. Qi, S.Y. He, C.J. Chen, B.B. Jiang, Y.L. Hao, H.Q. Ye, R. Yang, K. Du*, “Diffusional-displacive transformation in a metastable beta titanium alloy and its strengthening effect”, Acta Materialia 195 (2020) 151.
3.C.Y. Wang, H.Y. Liu, H.C. Duan, Z.W. Li, P.L. Zeng, P.C. Zou, X.L. Wang, H.Q. Ye, H.J. Jin, H.L. Xin, K. Du*, “3D atomic imaging of low-coordinated active sites in a solid-state dealloyed hierarchical nanoporous gold”, Journal of Materials Chemistry A (2021) doi: 10.1039/D1TA05942D.
4.L. Qi, C.J. Chen, H.C. Duan, S.Y. He, Y.L. Hao, H.Q. Ye, R. Yang, K. Du*, “Reversible displacive transformation with continuous transition interface in a metastable b titanium alloy”, Acta Materialia 174 (2019) 217.
5.Y.C. Zhang, K. Du*, W. Zhang, B.N. Du, D.Q. Qi, W.Q. Li, M. Song, L.Y. Sheng, H.Q. Ye, “Shear deformation determined by short-range configuration of atoms in topologically close-packed crystal”, Acta Materialia 179 (2019) 396.
6.B.B. Jiang, C.J. Chen, X.L. Wang, H. Wang, W.Z. Wang, H.Q. Ye, K. Du*, “Deformation induced twinning and phase transition in an interstitial intermetallic compound niobium boride”, Acta Materialia 165 (2019) 459.
7.X.L. Wang, C.Y. Wang, C.J. Chen, H.C. Duan, K. Du*, “Free-standing monatomic thick two-dimensional gold”, Nano Letters 19 (2019) 4560.
8.C.Y. Wang, K. Du*, K.P. Song, X.L. Ye, L. Qi, S.Y. He, D.M. Tang, N. Lu, H.J. Jin, F. Li, H.Q. Ye, “Size-dependent grain-boundary structure with improved conductive and mechanical stabilities in sub-10-nm gold crystals”, Physical Review Letters 120 (2018) 186102.
9.B.B. Jiang, A.D. Tu, H. Wang, H.C. Duan, S.Y. He, H.Q. Ye, K. Du*, “Direct observation of deformation twinning under stress gradient in body-centered cubic metals”, Acta Materialia 155 (2018) 56.
10.G. Yang, K. Du*, D.S. Xu, H. Xie, W.Q. Li, D.M. Liu, Y. Qi, H.Q. Ye, “High speed dynamic deformation of polysynthetic twinned titanium aluminide intermetallic compound”, Acta Materialia 152 (2018) 269.
11.T.T. Yao, K. Du*, H.L. Wang, Z.Y. Huang, C.H. Li, L.L. Li, Y.L. Hao, R. Yang, H.Q. Ye, “In situ scanning and transmission electron microscopy investigation on plastic deformation in a metastable β-titanium alloy”. Acta Materialia 133 (2017) 21.
12.M. Song, S.Y. He, K. Du*, Z.Y. Huang, T.T. Yao, Y.L .Hao, S.J. Li, R. Yang, H.Q. Ye, “Transformation induced crack deflection in a metastable titanium alloy and implications on transformation toughening”, Acta Materialia 118 (2016) 120.
13.N. Lu, K. Du*, L. Lu, H.Q. Ye, “Transition of dislocation nucleation induced by local stress concentration in nanotwinned copper”, Nature Communications 6 (2015) 7648.
14.S.J. Wang, H. Wang, K. Du*, W. Zhang, M.L. Sui, S.X. Mao, “Deformation-induced structural transition in body-centred cubic molybdenum”, Nature Communications 5 (2014) 3433.
15. M. Song, K. Du*, Z.Y. Huang, H. Huang, Z.R. Nie, H.Q. Ye, “Deformation induced dissolution and growth of precipitates in an Al-Mg-Er alloy during high-cycle fatigues”, Acta Materialia 81 (2014) 409.
16. M. Song, K. Du*, S.P Wen, Z.R. Nie, H.Q. Ye, “In situ electron microscopy investigation of void healing in an Al-Mg-Er alloy at a low temperature”, Acta Materialia 69 (2014) 236.