• DU Kui
    Title:Professor Email: kuidu@imr.ac.cn
    Tel. : +86-24-83970725 FAX: +86-24-23891320
    Division: Solid Atomic Imaging Division, Shenyang National Laboratory for Materials Science
    Address: Solid Atomic Imaging Division, Institute of Metal Research Chinese Academy of Sciences (IMR CAS), 72 Wenhua Road, Shenyang, China, 110016

Experience:

2006-Present:  Scientist, Institute of Metal Research, Chinese Academy of Sciences

2003-2006:  Senior Research Associate, Case Western Reserve University, Cleveland, USA

1999-2003:  Research Fellow, Max-Planck-Institute for Metal Research, Stuttgart, Germany

1999. Ph.D.  Institute of Metal Research, Chinese Academy of Sciences

1996. M.Sc.  Institute of Metal Research, Chinese Academy of Sciences

Research Interest:

Transmission electron microscopy; Microstructure and microanalysis of materials

Research Achievement:

Service to the International Professional Societies:

Reviewer of Nature Communications, Acta Materialia, Scripta Materialia, Journal of the American Ceramic Society.

Honors:

Publication:

[1] 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.

[2] 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.

[3] 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.

[4] D.Q. Qi, D. Wang, K. Du*, Y. Qi, L.H. Lou, J. Zhang, H.Q. Ye, “Creep deformation of a nickel-based single crystal superalloy under high stress at 1033 K”. Journal of Alloys and Compounds 735 (2018) 813.

[5] 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.

[6] T.T. Yao, K. Du*, H.L. Wang, L. Qi, S.Y. He, Y.L. Hao, R. Yang, H.Q. Ye, “Reversible twin boundary migration between α″ martensites in a Ti-Nb-Zr-Sn alloy”. Materials Science and Engineering A 688 (2017) 169.

[7] K.P. Song, H. Zhang, K. Du*, D.Q. Qi, H.W. Chen, X.H. Wang, J.F. Nie, H.Q. Ye, “Atomic-scale microstructure of Hf2Al4C5 ceramic synthesized by spark plasma sintering”. Journal of the American Ceramic Society 100 (2017) 3208.

[8] K.P. Song, K. Du*, H.Q. Ye, “Atomic structure and chemistry of a[100] dislocation cores in La2/3Sr1/3MnO3 films”. Micron 96 (2017) 72.

[9] 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.

[10] D.Q. Qi, B.D. Fu, K. Du*, T.T. Yao, C.Y. Cui, J.X. Zhang, H.Q. Ye, “Temperature effects on the transition from Lomer-Cottrell locks to deformation twinning in a Ni-Co-based superalloy”, Scripta Materialia 125 (2016) 24.

[11] T.T. Yao, K. Du*, Y.L. Hao, S.J. Li, R. Yang, H.Q. Ye, “In-situ observation of deformation induced α" phase transformationin a β-titanium alloy”, Materials Letters 182 (2016) 281.

[12] M. Song, K. Du*, C.Y. Wang, S.P Wen, H. Huang, Z.R. Nie, H.Q. Ye, “Geometric and chemical composition effects on healing kinetics of voids in Mg-bearing Al alloys”, Metallurgical and Materials Transactions A 47 (2016) 2410.

[13]  W. Zhang, K. Du*, X.Q. Chen, L.Y. Sheng, H.Q. Ye, “Thermally stable coherent domain boundaries in complex-structured Cr2Nb intermetallics”, Philosophical Magazine 96 (2016) 58.

[14]  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.

[15]  B.D. Fu, K. Du*, G.M. Han, C.Y. Cui, J.X. Zhang, “Deformation mechanisms in a Co-rich nickel based superalloy with different size of ?' precipitates”, Materials Letters 152 (2015) 1572.

[16] S. Wang, H. Wang, K. Du*, W. Zhang, M. Sui, S. Mao, “Deformation-induced structural transition in body-centred cubic molybdenum”, Nature Communications 5 (2014) 3433.

[17] M. Song, K. Du*, S. Wen, Z. Nie, H. Ye, “In situ electron microscopy investigation of void healing in an Al-Mg-Er alloy at a low temperature”, Acta Materialia 69 (2014) 236.

[18] M. Song, K. Du*, Z. Huang, H. Huang, Z. Nie, H. Ye, “Deformation induced dissolution and growth of precipitates in an Al-Mg-Er alloy during high-cycle fatigues”, Acta Materialia 81 (2014) 409.

[19] N. Lu, K. Du*, L. Lu, H, Ye, “Motion of 1/3 < 111 > dislocations on Sigma 3 {112} twin boundaries in nanotwinned copper”, Journal of Applied Physics 115 (2014) 024310.

[20] Y. Xu, K. Du*, C. Cui, H. Ye, “Deformation twinning with zero macroscopic strain in a coarse-grained Ni-Co-based superalloy”, Scripta Materialia 77 (2014) 71.

[21] Y. Xu, D. Qi, K. Du*, C. Cui, H. Ye, “Stacking fault effects on dynamic strain aging in a Ni–Co-based superalloy”, Scripta Materialia, 87 (2014) 37.

[22] J. Deng, K. Du*, B. Wu, M. Sui, “Nanometer to micrometer scaled inhomogeneous etching of bulk metallic glasses by ion sputtering”, Intermetallics 34 (2013) 75.

[23] P. Yan, K. Du*, M. Sui, “Pyramidal dislocation induced strain relaxation in hexagonal structured InGaN/AlGaN/GaN multilayer”, Journal of Applied Physics 112 (2012) 083502.

[24] J. Deng, K. Du*, M. Sui, “Medium range order of bulk metallic glasses determined by variable resolution fluctuation electron microscopy”, Micron 43 (2012) 827.

[25] W. Zhang, R. Yu, K. Du*, Z. Cheng, J. Zhu, H. Ye, “Undulating slip in Laves phase and implications for deformation in brittle materials”, Physical Review Letters 106 (2011) 165505.

[26] K. Du, F. Ernst, M. Pelsozy, J. Barthel, K. Tillmann, “Expansion of interatomic distances in platinum catalyst nanoparticles”, Acta Materialia 58 (2010) 836.

[27] P. Yan, K. Du*, M. Sui, “Alpha- to gamma-Al2O3 martensitic transformation induced by pulsed laser irradiation”, Acta Materialia 58 (2010) 3867.

[28] H. Zheng, A. Cao, C. Weinberger, J. Huang, K. Du, J. Wang, Y. Ma, Y. Xia, S. Mao, “Discrete plasticity in sub-10-nm-sized gold crystals”, Nature Communications 1 (2010) 144.

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