Single point incremental forming of polyamide/30 wt% short glass fiber composite

Bagheri, Sareh; Kami, Abdolvahed; Shakouri, M.

doi:10.1177/08927057221083497

Cited by 8 publications

(6 citation statements)

References 26 publications

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“…Thermal stability and decomposition behavior of the hybrid epoxy composite, consisting of glass/madar fibers and porcelain fillers, were evaluated through the implementation of Thermogravimetric Analysis (TGA). The thermogravimetric analysis (TGA) curve provided significant insights into the material's behavior when subjected to high temperatures 8 . At the outset, the composite material experienced a slight reduction in weight, approximately 2%, within the temperature range of 130 to 190 °C.…”

Section: Resultsmentioning

confidence: 99%

“…The utilization of natural fiber composites is increasingly prevalent in various industries such as automotive, construction, and consumer goods, mostly attributed to their advantageous characteristics, including lightweight composition, favorable mechanical attributes, and sustainable nature 7 . These materials not only mitigate the dependence on finite resources but also provide prospects for improving the environmental efficacy of diverse products and applications 8 . Glass fiber composites are widely recognized for their excellent characteristics, rendering them indispensable in diverse applications.…”

Section: Introductionmentioning

confidence: 99%

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Fabrication of glass/madar fibers reinforced hybrid epoxy composite: a comprehensive study on the material stability

Raja,

Yuvarajan,

Ali

et al. 2024

Sci Rep

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The present study aims to examine the characteristics of a composite material composed of glass/madar fibers and porcelain particles, which are reinforced with epoxy. A compression molding technique achieves the fabrication of this composite. A comprehensive characterization was conducted by employing a mixture of analytical techniques, including X-ray Diffraction (XRD), mechanical testing, Scanning Electron Microscopy (SEM), Dynamic Mechanical Analysis (DMA), and Thermogravimetric Analysis (TGA). The composition of the composite was determined using X-ray diffraction (XRD) analysis, which demonstrated the successful integration of porcelain fillers. The material exhibited notable mechanical properties, rendering it appropriate for utilization in structural applications. The utilization of SEM facilitated the examination of the microstructure of the composite material, thereby providing a deeper understanding of the interactions between the fibers and the matrix. DMA results revealed the glass/madar composite contained 4.2% higher viscoelastic properties when the addition of porcelain filler, thermal stability was improved up to the maximum temperature of 357 °C. This study provided significant insights into the properties of a hybrid epoxy composite consisting of glass/madar fibers reinforced porcelain particles.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fabrication of glass/madar fibers reinforced hybrid epoxy composite: a comprehensive study on the material stability

Raja,

Yuvarajan,

Ali

et al. 2024

Sci Rep

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“…Polymeric materials that can be processed by SPIF are diverse, starting from materials such as polyamide and polyethylene [ 14 ], polyvinylchloride [ 15 ] and polycarbonate [ 16 ] to composite materials having as the basic matrix one of the aforementioned materials reinforced with different fibers (most often glass fiber) [ 17 ]. The percentage of glass fiber varies, with the most recent studies analyzing the behaviour of these materials during SPIF when using polyamide 6 reinforced with 30 wt.% glass fiber [ 18 ]. All these studies involving composites containing fibers have been carried out under hot conditions, as they cannot be deformed at ambient temperatures.…”

Section: Introductionmentioning

confidence: 99%

Minimizing the Main Strains and Thickness Reduction in the Single Point Incremental Forming Process of Polyamide and High-Density Polyethylene Sheets

et al. 2023

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Polymeric materials are increasingly used in the automotive industry, aeronautics, medical device industry, etc. due to their advantage of providing good mechanical strength at low weight. The incremental forming process for polymeric materials is gaining increasing importance because of the advantages it offers: relatively complex parts can be produced at minimum cost without the need for complex and expensive dies. Knowing the main strains and especially the thickness reduction is particularly important as it directly contributes to the mechanical strength of the processed parts, including in operation. For the design of experiments, the Taguchi method was chosen, with an L18 orthogonal array obtained by varying the material on two levels (polyamide and polyethylene) and the other three parameters on three levels: punch diameter (6 mm, 8 mm and 10 mm), wall angle (50°, 55° and 60°) and step down (0.5 mm, 0.75 mm and 1 mm). The output parameters were strain in the x direction, strain in the y direction, major strain, minor strain, shear angle and thickness reduction. Two analyses were conducted: signal-to-noise ratio analysis with the smaller-is-better condition and analysis of variance. The optimum values for which the thickness was reduced were the following: wall angle of 50°, punch diameter of 10 mm and step down of 0.75 mm.

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“…As the sheet is securely clamped on its edges, the tool introduces strains into the material and deforms it, thinning the sheet [17]. While incremental forming of thermoplastic sheets has been successfully demonstrated [18], direct SPIF of a shortfiber-reinforced thermoplastic is more challenging [19,20]. Therefore, Conte et al [20] and Ambrogio et al [21] used SPIF to deform a heated short-FRTP sheet sandwiched between two metal sheets in order to provide stability to the FRTP.…”

Section: Introduction and State Of The Artmentioning

confidence: 99%

Die-less forming of fiber-reinforced thermoplastic sheets and metal wire mesh

Rath

2023

Materials Research Proceedings

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Abstract. The growing market for fiber-reinforced thermoplastics (FRTP) requires new flexible production processes for prototype and small series production, as conventional forming techniques involving molds are not cost efficient in these cases. Inspired by incremental sheet metal forming (ISF), an alternative manufacturing processes for the forming of FRTP with just two robot guided standard tools is outlined. To maintain a locally formed shape in the heated, flexible fabric, auxiliary wire mesh metal is used as it has similar deformation mechanisms, especially shearability, while being sufficiently self-supporting. Feasibility of the approach is discussed and investigated in basic experiments.

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Single point incremental forming of polyamide/30 wt% short glass fiber composite

Cited by 8 publications

References 26 publications

Fabrication of glass/madar fibers reinforced hybrid epoxy composite: a comprehensive study on the material stability

Fabrication of glass/madar fibers reinforced hybrid epoxy composite: a comprehensive study on the material stability

Minimizing the Main Strains and Thickness Reduction in the Single Point Incremental Forming Process of Polyamide and High-Density Polyethylene Sheets

Die-less forming of fiber-reinforced thermoplastic sheets and metal wire mesh

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