Experimental Investigation on the Fracture Mechanism of Two-Layer Steel/Aluminum Explosively Welded Plate

Nan Zhou; Hai Tao Guo; Jing Jiang; Song Ze Tang

doi:10.4028/www.scientific.net/MSF.894.10

Paper Titles

Preface, Committee

Experiment and Numerical Simulation on Non-Magnetic Prestressed Beam
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Experimental Investigation on the Fracture Mechanism of Two-Layer Steel/Aluminum Explosively Welded Plate
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A Simple Microwave Route for the Synthesis of Tricalcium Phosphate (β-TCP) Powders for Bone Healing Applications
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Mechanical Properties of Toughened Polyester Reinforced with Untreated and Treated Kenaf Hybird Carbon Composite
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Mechanical Properties and Surface Integrity of Recycling Aluminum 6061 by Hot Extrusion Process
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Study of Nano-Fe₃O₄ Addition on Magnetic and Mechanical Properties of HMDI-Based Polyurethane
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Flexural & Impact Properties of PLA/Kenaf Fibers Bio-Composites
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Effect of TiB₂ Content on Microstructure and Hardness of In Situ TiB₂ Reinforced High Zinc Content Al-Zn-Mg-Cu-Zr Composite Materials
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HomeMaterials Science ForumMaterials Science Forum Vol. 894Experimental Investigation on the Fracture...

Experimental Investigation on the Fracture Mechanism of Two-Layer Steel/Aluminum Explosively Welded Plate

Abstract:

The stereomicroscope, microscopic metallograph and scanning electron microscope (SEM) were adopted to investigate the fracture mechanism of two-layer steel/aluminum composite plates impacted by spherical fragment. The composite plates with the same total thickness (5mm) were fabricated by the method of explosive welding. In ballistic experiment, the spherical fragments were launched by a 14.5mm slip chamber gun to penetrate the composite plate. The effect of the combination state of the interface on the fracture mechanism was analyzed based on the experimental results. The results show that the fracture mechanism of the steel front plate is shearing and plugging and that of aluminum rear plate is ductile prolonging deformation when the tied interface failed by tension (or shearing and plugging when the interface combination remained connected).A narrow adiabatic shear band was formed in the local yield plate damaged by shearing and plugging during the penetration process.

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Materials Science Forum (Volume 894)

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10-13

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.894.10

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Online since:

March 2017

Authors:

Nan Zhou*, Hai Tao Guo, Jing Jiang, Song Ze Tang

Keywords:

Energy Absorption Mechanism, Explosion Mechanics, Explosive Welding, Fracture Mechanism

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