杜奎 - 中国科学院金属研究所 - 沈阳先进材料研究发展中心

研究领域

电子显微学；材料结构演化及其对性能的作用机理：　[1] 高温合金中位错结构演化的三维电子层析研究　[2] 高温氧化物陶瓷的形变和相变过程中的位错机制研究　[3] 航空高性能铝合金材料的基础研究　[4] 工程合金显微结构的电子层析研究　[5] 材料界面的亚埃尺度结构和材料性能　[6] 关键航空合金材料中动态应变时效的多尺度关联实验与机理研究

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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. 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. 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. 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. 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. 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. 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. 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. J. Deng, K. Du*, M. Sui, “Medium range order of bulk metallic glasses determined by variable resolution fluctuation electron microscopy”, Micron 43 (2012) 827. 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. K. Du, F. Ernst, M. Pelsozy, J. Barthel, K. Tillmann, “Expansion of interatomic distances in platinum catalyst nanoparticles”, Acta Materialia 58 (2010) 836. P. Yan, K. Du*, M. Sui, “Alpha- to gamma-Al2O3 martensitic transformation induced by pulsed laser irradiation”, Acta Materialia 58 (2010) 3867. 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.