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Research Papers

Yield Characteristics of a Twill Dutch Woven Wire Mesh Via Experiments and Numerical Modeling

[+] Author and Article Information
Ali P. Gordon

Department of Mechanical, Materials, and Aerospace Engineering,
University of Central Florida,
Orlando, FL 32816-2450

Manuscript received April 1, 2011; final manuscript received April 18, 2012; accepted manuscript posted October 10, 2012; published online May 16, 2013. Assoc. Editor: Vikram Deshpande.

J. Appl. Mech 80(4), 041002 (May 16, 2013) (11 pages) Paper No: JAM-11-1111; doi: 10.1115/1.4007793 History: Received April 01, 2011; Revised April 18, 2012; Accepted October 10, 2012

Woven structures are steadily emerging as excellent reinforcing components in composite materials. Metallic woven meshes, unlike most woven fabrics, show high potential for strengthening via classical methods such as heat treatment. Development of strengthening processes for metallic woven materials, however, must account not only for behavior of the constituent wires, but also for the interactions between contacting wires. Yield behavior of a 325 × 2300 stainless steel 316L (SS316L) twill dutch woven wire mesh is analyzed via experimental data and 3D numerical modeling. The effects of short dwell-time heat treatment on the mechanical properties of this class of materials is investigated via uniaxial tensile tests in the main weave orientations. Scanning electron microscopy (SEM) is employed to investigate the effects of heat treatment on contacting wire interaction, prompted by observations of reduced ductility in the macrostructure of the mesh. Finally, the finite element method (FEM) is used to simulate the accumulation of plastic deformation in the mesostructure of the mesh, investigating how this wire level plasticity ultimately affects global material yielding.

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Figures

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Fig. 1

Images and rendering of the 325 × 2300 SS316L twill dutch woven wire mesh specimen and weave geometry outlining key dimensions

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Fig. 2

Dog-bone test specimens used in uniaxial tensile experiments conducted on the 325 × 2300 SS316L twill dutch woven wire mesh

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Fig. 3

Mechanical response of the 325 × 2300 SS316L twill dutch woven wire mesh at various material orientations, with 0 deg indicating the warp direction, and 90 deg indicating the weft direction

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Fig. 8

The elastoplastic response of the finite element model as compared to the mechanical response of the 325 × 2300 316 L stainless steel woven wire mesh subject to tensile testing in the warp (0 deg) and weft (90 deg) orientations

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Fig. 7

Finite element mesh of 3D CAD model used to facilitate the numerical modeling of the 316 L SS woven wire mesh with boundary conditions used to simulate the tensile testing of the weft (90 deg) orientation sketched, along with illustration of rotation and cropping used to form off-axis simulation conditions

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Fig. 5

Macroscale fracture surfaces of as received and heat treated 325×2300 SS316L twill dutch woven wire mesh

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Fig. 4

The mechanical response of the main axes of the 325 × 2300 SS316L twill dutch woven wire mesh after heat treatment at 1112.0 °F (600  °C) for either 100 s or 200 s, where (a) is the warp (0 deg) orientation, and (b) is the weft (90 deg) orientation

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Fig. 9

Macroscale load—displacement curves from off-axis numerical simulation of 325 × 2300 SS316L woven wire mesh compared with experimental results

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Fig. 10

Example area of interest for investigation of mesoscale plastic strain development in the 325 × 2300 SS316L twill dutch woven wire mesh

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Fig. 11

The development of plastic strain at the mesoscale predicted by the numerical simulations with respect to the global stress-strain relationship of the 325 × 2300 SS316L woven wire mesh at various material orientations

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Fig. 6

Mesoscale fracture surface images (SEM) of heat treated 325 × 2300 SS316L twill dutch woven wire mesh with respect to untreated fracture surfaces

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