Analysis on Crack Propagation Mechanism of Nanosingle Crystal Copper about Holes Influence

Ge Li; Ming Chen; Zhi Min Liu

doi:10.4028/www.scientific.net/AMR.668.343

Paper Titles

The Dynamical Property and Abrasion Performance of Polyester Polyurethane/SiO₂ Nanocomposite
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Preparation and Characterization of NiO Nanowires via Single-Phase Precipitation
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Synthesis and Aqueous Dispersion of Monodisperse Magnetic Fe₃O₄ Nanoparticles
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Structure and Properties Evolution of Nanostructed AgBr/TiO₂ Visible Light Photocatalyst in Cyclic Running
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Analysis on Crack Propagation Mechanism of Nanosingle Crystal Copper about Holes Influence
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Fabrication of Nano Porous PVDF Beads
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Investigation of Micromechanical Deformation Mechanisms in Sinter Powder Metals
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Nanotubes Could Be a Useful Tool for Protein Folding Study
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Preparation of Aerogel-Modified Expanded Perlite and its Application in Heat Insulation Coating
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 668Analysis on Crack Propagation Mechanism of...

Analysis on Crack Propagation Mechanism of Nanosingle Crystal Copper about Holes Influence

Abstract:

By molecular dynamics method, the tensile processes of nano-single crystal copper with the crack front existence hole were simulated, and the effect of different hole position to crack propagation mechanism was analyzed. The results indicate that as the hole position and crack tip came more closer, dislocation glide would be more obvious in the model interior under the load, the crack tip opening increased lead to occur the typical crack tip deactivation. The more obvious crack branch approached to the hole position, the easier to occurred crack expansion.