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Mechanical Properties of Textile-Reinforced Composites with a 3D Printed Core

Jakub Szary
Jakub Szary
, 
Marcin Barburski
Marcin Barburski
 und 
Jacek Świniarski
Jacek Świniarski
   | 18. Okt. 2023
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Article Category: Research Article
Online veröffentlicht: 18. Okt. 2023
Seitenbereich: 38 - 45
DOI: https://doi.org/10.2478/ftee-2023-0034
Schlüsselwörter
© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1.

Textile reinforcement on 3DP core: a) braid, b) woven fabric, c) knitted fabric
Textile reinforcement on 3DP core: a) braid, b) woven fabric, c) knitted fabric

Fig. 2.

Structure of composite: 1) 3D printed core, 2) impregnated textile reinforcement
Structure of composite: 1) 3D printed core, 2) impregnated textile reinforcement

Fig. 3.

X-orientation of 3D printed core
X-orientation of 3D printed core

Fig. 4.

Composite reinforcement: a) braid fabric, b) woven fabric, c) knitted fabric
Composite reinforcement: a) braid fabric, b) woven fabric, c) knitted fabric

Fig. 5.

Flexural stress-strain curves of tubular glass fiber reinforcement (GFR) composites and 3D printed core
Flexural stress-strain curves of tubular glass fiber reinforcement (GFR) composites and 3D printed core

Fig. 6.

Sample after flexural test: a) braided GFR, b) woven fabric GFR, c) knitted fabric GFR
Sample after flexural test: a) braided GFR, b) woven fabric GFR, c) knitted fabric GFR

Fig. 7.

Tensile stress-strain curves of tubular glass fiber reinforcement (GFR) composites and 3D printed core
Tensile stress-strain curves of tubular glass fiber reinforcement (GFR) composites and 3D printed core

Fig. 8.

Sample after tensile test: a) braided GFR, b) woven fabric GFR, c) knitted fabric GFR
Sample after tensile test: a) braided GFR, b) woven fabric GFR, c) knitted fabric GFR

Fig. 9.

Drapeability of textile structure: a) braided , b) woven, c) knitted fabric
Drapeability of textile structure: a) braided , b) woven, c) knitted fabric

Tensile properties of glass fiber reinforcement composite

Parameter Braid Woven fabric Knitted fabric
Tensile strength σm [MPa] 37,8 ±0,4 94 ±16 23 ±1
Tensile strain εm [%] 1,5 ±0,1 1,3 ±0,2 0,7 ± 0,1
Tensile modulus Et [MPa] 3 875 ±240 7 970 ±440 4140 ± 130

Flexural properties of glass fiber reinforcement composite

Parameter Braid Woven fabric Knitted fabric
Flexural stress σfM [MPa] 79 ±3,5 140 ±5 73 ±4
Flexural strain εfM [%] 2,9 ±0,3 1,3 ±0,1 2,2 ± 0,4
Flexural modulus Ef [MPa] 5 820 ±675 9 330 ±575 5 210 ± 180

Dimensions of composites

Textile structure h [mm] b [mm]
Braid 5,5 32,5
Woven fabric 5,8 32,8
Knitted fabric 9,5 35,5

Parameters of composites and textile materials

Parameter Braid Woven fabric Knitted fabric
Density of composite [g/cm3] 1,17 1,11 1,23
Areal weight of textile structure [g/m2] 1 100 800 4 200
Areal weight of composite outer layer [g/m2] 2 340 1 545 9 310
Mass fraction of composite outer layer [%] 45,5 50,5 45
Linear density of the yarn [tex] 800 1200 x 800 1 2 600
Structure configuration 2/2 twill 1/1 plain S1 2

Properties of 3D printed core

Properties Value Unit
Density 1,01 [g/cm3]
Tensile modulus Et (X) 1242 ± 28 [MPa]
Tensile strength σmax (X) 47 ± 0,9 [MPa]
Flexural stress σf (X) 50 ± 0,9 [MPa]
Flexural modulus Ef(X) 1146 ± 51 [MPa]
Elongation at break εb (X) 19 ± 2,8 [%]
eISSN:
2300-7354
Sprache:
Englisch
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