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{101^(-)2}twinning nucleation in magnesium assisted by alternative sweeping of partial dislocations via an intermediate precursor 被引量:2
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作者 Zhen Zhang Jin-Hua Peng +4 位作者 Ji'an Huang Peng Guo Zhao Liu shi-chao song Yu Wang 《Journal of Magnesium and Alloys》 SCIE EI CAS 2020年第4期1102-1108,共7页
Molecular dynamic simulation and transmission electron microscopy(TEM)characterization was employed to investigate the{1012}twinning mechanism in magnesium.A partial dislocation assisted twinning nucleation mechanism ... Molecular dynamic simulation and transmission electron microscopy(TEM)characterization was employed to investigate the{1012}twinning mechanism in magnesium.A partial dislocation assisted twinning nucleation mechanism was proposed based on simulation results,in which the twin lattice was reconstructed from parental matrix by two-step sweeping of partial dislocations on different close packed planes from matrix and the subsequently formed twin precursor respectively.A{101^(-)2}twin precursor was observed adjacent to matrix/twin interface by a spherical aberration corrected TEM,which indicated the hexagonal-close-packed(hep)matrix-quasi face-centered cubic(fee)twinning precursorsh.c.p twin transformation sequence during{101^(-)2}twinning process. 展开更多
关键词 MAGNESIUM TWINNING Basal slip
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