Tensile Properties on Single-Bar Modified Tricot Fabric Reinforced Composites

2012 ◽  
Vol 535-537 ◽  
pp. 223-226 ◽  
Author(s):  
Xiao Hong Ma ◽  
Zhi Gang Qin
Keyword(s):  
Elastic Modulus ◽  
Tensile Properties ◽  
Unsaturated Polyester ◽  
Testing Machine ◽  
Tensile Load ◽  
Knitted Fabric ◽  
Reinforced Composites ◽  
Stress Strain ◽  
Universal Material Testing Machine ◽  
Warp Knitted Fabric

Four kinds of single-bar modified tricot fabrics are knitted on a Raschel latch needle warp knitting machine with glass continuous-filament yarns. The glass warp knitted fabric/ unsaturated polyester resin composites are produced by manual molding technology. The tensile properties of composite samples are tested on the universal material testing machine. The stress-strain curves, elastic modulus, fracture strengths of composites are analyzed in the course, wale and diagonal directions. The results show that the tensile stress/strain curves of single-bar modified tricot warp knitted fabric reinforced composites were nonlinear. The tensile properties of composites possess obvious anisotropic characteristics. The values of elastic modulus and tensile strength were in relation to the yarn numbers bearing tensile load in tensile directions

Investigation on Tensile Properties of Weft Insertion Warp Knitted Fabric Reinforced Composites

2013 ◽  
Vol 821-822 ◽  
pp. 1200-1203
Author(s):  
Zhi Gang Qin ◽  
Xiao Hong Ma
Keyword(s):  
Tensile Properties ◽  
Composite Laminates ◽  
Resin Composite ◽  
Unsaturated Polyester ◽  
Testing Machine ◽  
Knitted Fabric ◽  
Knitted Fabrics ◽  
Continuous Filament ◽  
Universal Material Testing Machine ◽  
Warp Knitted Fabric

Warp knitted fabrics possess a number of changes in the structures, so they do have great advantages on the property design of composites. The three kinds of weft insertion warp knitted fabrics are knitted on a Raschel latch needle warp knitting machine with glass continuous-filament yarns. The warp knitted fabric/ unsaturated polyester resin composite laminates are produced by manual molding technology. The tensile properties of composites in the course, wale and diagonal directions are tested on the universal material testing machine. The results show that the tensile stress/strain curves of the composites were nonlinear. The tensile properties of the composites possess obvious anisotropic characteristics. The tensile strengths and elastic modulus of the warp knitting composites depend on the needle space number of inlaid yarn, fabric density and structure.

Investigation on Tensile Properties of Two Guide Bar Warp Knitted Fabric Reinforced Composites

2012 ◽  
Vol 602-604 ◽  
pp. 76-79
Author(s):  
Zhi Gang Qin ◽  
Bao Shi
Keyword(s):  
Tensile Properties ◽  
Mechanical Performance ◽  
Structural Parameters ◽  
Testing Machine ◽  
Knitted Fabric ◽  
Reinforced Composites ◽  
Knitted Fabrics ◽  
Tensile Direction ◽  
Warp Knitted Fabric ◽  
Properties Of Composites

The composite laminates are produced by manual molding technology using two guide bar warp knitted fabrics of glass fiber as reinforcement and epoxy resin as matrix. The tensile properties of composites in the course, wale and diagonal directions are tested on the universal material testing machine. The influences of warp knitting stitch structures for mechanical performance of the composites are discussed. The results show that the tensile stress/strain curves of two guide bar warp knitted fabric reinforced composites were nonlinear. The tensile properties of composites possess obvious anisotropic characteristics. The tensile strengths and modulus of the warp knitting fabric composites depend on the yarn numbers bearing load along tensile direction, which are related to the stitches and structural parameters of warp knitted fabrics.

Study on Elongation Properties of Car Roof Interior Fabric

2014 ◽  
Vol 556-562 ◽  
pp. 36-39
Author(s):  
Wei Lai Chen ◽  
Lin Yan Wan ◽  
Wei Hong Zhan
Keyword(s):  
Testing Machine ◽  
Material Testing ◽  
Knitted Fabric ◽  
Deformation Ratio ◽  
Universal Material Testing Machine ◽  
Warp Knitted Fabric ◽  
Material Testing Machine ◽  
Dynamic Elongation ◽  
General Standard

Elongation properties of car roof interior fabric were studied in this article.The FM02-11 type universal material testing machine was employed to test the static and dynamic elongation properties of warp knitted napped fabric 1,2,3,warp knitted fabric 1,2,pile composite fabric A1,A2,A3 and sponge composite fabric C1,C2,C3,C4. The results indicated all can meet the general standard for car interior ceiling fabric.According to the dynamic elongation, the bigger the deformation ratio, the better the formability.

Mesoscale model for elastic modulus of warp-knitted fabric-reinforced composites based on spring model

2019 ◽  
Vol 50 (1) ◽  
pp. 46-69
Author(s):  
Hadi Dabiryan ◽  
Mohammad H Ashouri
Keyword(s):  
Elastic Modulus ◽  
Mesoscale Model ◽  
Tensile Modulus ◽  
Theoretical Data ◽  
Tensile Tests ◽  
Geometrical Model ◽  
Knitted Fabric ◽  
Reinforced Composites ◽  
Spring Model ◽  
Warp Knitted Fabric

In this paper, a ‘mesoscale spring model’ was generated to predict the tensile modulus of warp-knitted fabric-reinforced composites. A previously developed geometrical model was used for generating a mechanical model as a set of series and parallel springs. For this purpose, the unit cell of straight line model was discretized into different segments. Each segment was modelled as a spring with definite constant based on the alignment of yarns in the segment. Warp-knitted fabrics (Queen's Cord) were used as reinforcement of composites. In order to validate the presented model, samples of composites were produced using hand layup method. Tensile tests were carried out on the prepared samples. The comparison between theoretical and experimental elastic modulus showed a reasonable agreement between experimental and theoretical data. Also, the comparison between the results of different models and experimental data showed that the results of spring model are closer to the experimental results than that of Krenchel's model. It can be concluded that the spring model can predict adequately the elastic modulus of composites.

Mechanical Properties of Warp-Knitted, Fabric-Reinforced Composites

1993 ◽  
Vol 12 (10) ◽  
pp. 1096-1110 ◽  
Author(s):  
Wei-Liang Wu ◽  
Masaya Kotaki ◽  
Akihiro Fujita ◽  
Hiroyuki Hamada ◽  
Miyako Inoda ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Knitted Fabric ◽  
Reinforced Composites ◽  
Warp Knitted Fabric

scholarly journals Mechanical Properties of Welt Knitted Fabric Reinforced Composites

1995 ◽  
Vol 4 (3) ◽  
pp. 096369359500400 ◽  
Author(s):  
Hiroyuki Hamada ◽  
Asami Nakai ◽  
Akihiro Fujita ◽  
Miyako Inoda
Keyword(s):  
Mechanical Properties ◽  
Tensile Strength ◽  
Tensile Properties ◽  
Fracture Mode ◽  
Knitted Fabric ◽  
Reinforced Composites ◽  
Reinforced Composite ◽  
Plain Knitted Fabric ◽  
Knitted Structure

In this paper, welt knitted fabric reinforced composites were fabricated and its tensile properties were measured. Changing knitted structure from plain knit to welt knit caused changing mechanical properties, particularly isotropic tensile strength could be obtained. The fracture mode of welt knitted fabric reinforced composite was similar that of plain knitted fabric reinforced composite.

Fabrication and Characterization of Banana Fiber Reinforced Unsaturated Polyester Resin Based Composites

2020 ◽  
Vol 29 ◽  
pp. 84-92
Author(s):  
Md. Sahadat Hossain ◽  
Mashrafi Bin Mobarak ◽  
Farzana Khan Rony ◽  
Sazia Sultana ◽  
Monika Mahmud ◽  
...  
Keyword(s):  
Polyester Resin ◽  
Natural Fiber ◽  
Unsaturated Polyester ◽  
Testing Machine ◽  
Unsaturated Polyester Resin ◽  
Reinforced Composites ◽  
Fiber Reinforced ◽  
Banana Fiber ◽  
Bending Modulus ◽  
Ft Ir

Concerning the importance of composite material for multi-purpose applications, an attempt has been taken to synthesize composites using natural fiber with unsaturated polyester resin. Since the use of synthetic polymer plays a key role in polluting the environment, we have used natural fiber (banana fiber) as an alternative source. Our approach dealt with the preparation of reinforced composites by hand lay-up technique using 20 % banana fiber (by weight) as reinforcing materials. Several techniques were applied to characterize synthesized composites e.g. universal testing machine (UTM), Fourier transform infrared (FT-IR) spectroscopy, and scanning electron microscopy (SEM). UTM facilitated the measurement of the tensile strength (TS), tensile modulus (TM), elongation at break (EB), bending strength (BS), and bending modulus (BM) while functional groups were confirmed by FT-IR and the morphology of the composites was investigated by SEM. Observed results revealed that the TS, TM, BS, and BM followed an increasing fashion of 100%, 53%, 75%, and 55% respectively with respect to the matrix materials. On the other hand, the EB of the composite reduced drastically by 50%. Hence, higher mechanical properties were obtained for the banana fiber reinforced composites (BFRC) than the unsaturated polyester resin (UPR) matrix.

Environmental Corrosion Resistance of Textile Reinforced Composites in Seawater

2015 ◽  
Vol 813 ◽  
pp. 140-146
Author(s):  
Ning Ning Wang ◽  
Jia Ying Sun ◽  
Cheng Yan Zhu
Keyword(s):  
Corrosion Resistance ◽  
Bending Strength ◽  
Mechanical Performance ◽  
Knitted Fabric ◽  
Reinforced Composites ◽  
Surface Appearance ◽  
Bending Performance ◽  
Average Loss ◽  
Textile Reinforced Composite ◽  
Warp Knitted Fabric

In order to study on mechanical performance as the target of environmental corrosion resistance property, three kinds of glass fiber fabrics like biaxial warp knitted fabric, biaxial stitch-bonded felt and three axial warp knitted fabric were used to prepare textile reinforced composites in five layers laminated structure, which were soaked in seawater environment for 180 days. The result showed that, the surface appearance of textile reinforced composite became muddy and the color became darker, the tensile strength and bending strength of composites decline of the whole with the extension of soak time, the average loss rate of tensile and bending performance are respectively 24.8% and 56.5%, all of these provide the theoretical basis for researching and developing high-quality composite materials.

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