Molding of PBO fabric reinforced thermoplastic composite to achieve high fiber volume fraction

Xu, Anchang; Bao, Limin; NISHIDA, Mitsuo; Yamanaka, Akihiro

doi:10.1002/pc.22501

Cited by 13 publications

(7 citation statements)

References 15 publications

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“…In this study, to reduce the viscosity of thermoplastics to achieve higher impregnation between the fiber bundles and matrix resin, a solution impregnation molding method was used to prepare carbon fiber-reinforced thermoplastics (CFRTPs). 19 Tensile test, three-point bending test, and thermal performance test confirmed that the manufactured composites possessed excellent mechanical properties and high heat-resistant properties. A type of super engineering plastic with a higher molecular weight was also used to manufacture composite materials to further verify the versatility of this method.…”

Section: Introductionmentioning

confidence: 75%

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Preparation of carbon fiber-reinforced thermoplastics with high fiber volume fraction and high heat-resistant properties

Liu

Bao

2015

Journal of Thermoplastic Composite Materials

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In the present article, a highly heat-resistant composite with a high fiber volume fraction ( Vf > 60%) was successfully manufactured using engineering plastic Nylon66 as matrix and carbon fabric as reinforcement by a solution impregnation molding method. The mechanical properties of the composite were investigated using a tensile measuring device. Mechanical analysis revealed the superior mechanical properties of the composite relative to those of previously reported carbon fiber-reinforced thermoplastics (CFRTPs). The cross section and fracture surface of the composite were characterized by scanning electron microscopy. The resin successfully impregnated the fiber bundles and the bonding strength of the fiber–resin interface was excellent. Dynamic mechanical analysis was used to evaluate the heat-resistant property of the composite. The composite exhibited a better heat-resistant property relative to that of the carbon fiber-reinforced crystalline co-polyester composite. To further verify the versatility of this method, super engineering plastic polyetherimide with a higher molecular weight was successfully employed as matrix to prepare CFRTP.

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Section: Introductionmentioning

confidence: 75%

“…The V f of the resulting composite was increased to over 60%, which is equivalent to that of fiber-reinforced thermosetting plastics. 19 Additionally, using the same method, we successfully prepared carbon fibers-reinforced polyester (CF/PET) composite. Likewise, the V f of the CF/PET composite material reached up to 63.8%.…”

Section: Introductionmentioning

confidence: 99%

Preparation of carbon fiber-reinforced thermoplastics with high fiber volume fraction and high heat-resistant properties

Liu

Bao

2015

Journal of Thermoplastic Composite Materials

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“…Based on the static compression test and compression fatigue test, the effect of the material type of knitted skin and the carbon fiber content on the composite spring are investigated. [21] Finite element method is applied to further explore the stress evolution and deformation mechanism of composite springs under compression. In this study, we aim to develop a type of lightweight helical composite which could provide a replacement strategy of existing metal or unidirectional filament reinforced springs used in the engineering field.…”

Section: Introductionmentioning

confidence: 99%

Composite helical spring with skin‐core structure: Structural design and compression property evaluation

et al. 2020

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The helical spring is an essential mechanical component of automobile and machinery and has been widely used in industrial application. The weight reduction is the requirement of current material design and also the research trend for material development. In this study, a novel composite helical spring with "skin-core" structure was designed and fabricated with an integrated formation process based on the vacuum-assisted resin infusion technology. Based on the different function of skin and core, the skin structure was weft knitting tube made of aramid and ultra-high molecular weight polyethylene fiber, and the core structure was unidirectional carbon fiber. By selecting material for knitting tube and adjusting the volume content of carbon fiber core, the static and fatigue compression properties of composite helical spring were investigated. It has been found that the spring torsion and bending performance can be improved by wrapping the core with the knitting tube as the spring wire. Moreover, the finite element method was applied to further analyze the stress evolution of the "skin-core" composite helical spring during compression and fatigue. The results of compression test and simulation show that the spring stiffness can be effectively improved by using knitting tube and increasing the content of carbon fiber. The stress of the spring cross section is concentrated in the internal radial region of 180 , and the distribution of the corresponding cross sections is relatively uniform. The "skin-core" structure with aramid knitting tube as the outer skin and carbon fiber as the spring core significantly improves the load-carrying capacity and stability of the composite spring. The proposed lightweight helical composite could provide a replacement strategy of existing metal or unidirectional filament reinforced springs used in the engineering applications.

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“…Mathivanan et al investigated the impact of fiber volume on aluminum/GFRP hybrid laminate test coupons and found that high fiber volume increased the elastic modulus, yield stress, and ultimate strength of the hybrid laminate. These findings have led to the development of various methods and processes that increase fiber volume but not defects . When controlled to fulfill design tolerance ranges, fiber volumes may provide optimal composite structures.…”

Section: Introductionmentioning

confidence: 99%

Fiber volume control of composite materials by loss angle

Yoshida

Kondo

2014

Polymer Composites

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Fiber volume plays a critical role in achieving stable mechanical and physical properties in composite structures. This study develops a method to control this parameter in carbon fiber reinforced plastics (CFRPs) on the basis of the viscoelastic character of the thermosetting matrix resin. This method relies on the loss angle δ to quantitatively control fiber volume. CFRP flat panels are manufactured at varying initiating times of pressure application depending on the δ value of the CFRP matrix resin. An analysis of the manufactured panels clearly shows that the target fiber volumes can be obtained at an appropriate δ range. Specifically, CFRP fiber volumes can be controlled through the loss angle of the matrix resin. Defining this δ range is very important for establishing mechanically and physically stable CFRP structures. POLYM. COMPOS., 37:1307–1311, 2016. © 2014 Society of Plastics Engineers

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Molding of PBO fabric reinforced thermoplastic composite to achieve high fiber volume fraction

Cited by 13 publications

References 15 publications

Preparation of carbon fiber-reinforced thermoplastics with high fiber volume fraction and high heat-resistant properties

Preparation of carbon fiber-reinforced thermoplastics with high fiber volume fraction and high heat-resistant properties

Composite helical spring with skin‐core structure: Structural design and compression property evaluation

Fiber volume control of composite materials by loss angle

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