Understanding nanoscale damage at a crack tip of multilayered metallic composites
作者： X. F. Zhu , Y. P. Li , G. P. Zhang , J. Tan , Y. Liu
DOI: 10.1063/1.2913155
关键词:
摘要: Through quantitative focused ion beam cross-sectional characterization technique, we directly observed shear displacement in a range from several nanometers to few tens of occurring the plastic deformation zone ahead crack tip nanolayered Cu/Ta composite subjected tensile load. As result, shear-mode fracture laminate was eventually caused. A theoretical analysis interface barrier strength metallic composites here and reported literature finds critical individual layer thickness below which nature tends be shearing failure. (c) 2008 American Institute Physics.
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