Measurement and Simulation of the Performance of a Lightweight Metallic Sandwich Structure With a Tetrahedral Truss Core-Reference-Cited by-同舟云学术

Measurement and Simulation of the Performance of a Lightweight Metallic Sandwich Structure With a Tetrahedral Truss Core

Published:2004-05-01 Issue:3 Volume:71 Page:368-374
ISSN:0021-8936
Container-title:Journal of Applied Mechanics
language:en
Short-container-title:

Author:

Rathbun H. J.¹,Wei Z.¹,He M. Y.¹,Zok F. W.¹,Evans A. G.¹,Sypeck D. J.²,Wadley H. N. G.³

Affiliation:

1. Materials and Mechanical Engineering Departments, University of California, Santa Barbara, CA 93106

2. Aerospace Engineering Department, Embry-Riddle Aeronautical University, Daytona Beach, FL 32114

3. Department of Materials Science and Engineering, University of Virginia, Charlottesville, VA 22903-2442

Abstract

Metallic sandwich panels with tetrahedral truss cores have been fabricated and their structural performance evaluated. A fabrication technique involving deformation-shaping and brazing has been used. The responses of the structure in core shear and panel bending have been measured. The results demonstrate robust behavior beyond the limit load. A finite element simulation of the core shear response duplicates the features found experimentally. When combined with the constitutive properties of the face sheet material, these shear characteristics have been shown to predict, with good fidelity, the limit load for panels in bending.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Link

http://asmedigitalcollection.asme.org/appliedmechanics/article-pdf/71/3/368/5470801/368_1.pdf

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