Tensile and interfacial properties of dry-jet wet-spun and wet-spun polyacrylonitrile-based carbon fibers at cryogenic condition

Liu, Wei; Gao, Yang; Liu, Xiaoyun; Qiu, Yiping; Xu, Fujun

doi:10.1177/1558925019835164

Cited by 10 publications

(7 citation statements)

References 24 publications

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“…The spherical and fibril-like bulge structures, grooves [ 15 ], and bundle-like microfiber structure [ 17 ] could be generated on the fiber surface. Usually, these kind of surface-structured fibers are produced by wet-spun [ 44 ], electrospun [ 45 ], how drawing [ 46 ] processes. The melt-spun method provides an effective way to modify the surface structure of polymer materials.…”

Section: Resultsmentioning

confidence: 99%

“…The spherical and fibril-like bulge structures, grooves [15], and bundle-like microfiber structure [17] could be generated on the fiber surface. Usually, these kind of surface-structured fibers are produced by wet-spun [44], electrospun In order to further study the microstructure and the surface morphologies of fibers, PS/PP blend fibers were etched with tetrahydrofuran to dissolve the PS phases on the fiber surface and the corresponding SEM morphologies are given in Figure 4. Black holes and fibril grooves were observed after extracting the PS domains on the fiber surface.…”

Section: Surface Morphology Of Fibermentioning

confidence: 99%

See 1 more Smart Citation

Surface Structured Polymer Blend Fibers and Their Application in Fiber Reinforced Composite

et al. 2020

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Melt-spun surface structured fiber could be a large-scale versatile platform for materials with advanced surface function and local properties. Fibers with distinct surface and bulk structures are developed by tailoring the viscosity ratio and blend ratio of polymer component using the melt-spinning method. Spherical bulge and fibril groove structured fibers are obtained in different viscosity ratio and blend ratio systems. The interfacial bonding between fiber and matrix is improved due to the mechanical interlocking between the structured surface and matrix. The low-viscosity second phase stays as a spherical droplet even in high content. The second phase in matched- and high-viscosity ratio cases is deformed into fibril like droplet which causes an in-situ fibration of the second phase in polymer blend fiber with an enhanced mechanical property. This method provides a simple route to developing polymer materials with surface structure and appropriate mechanical properties to apply in textile and polymer fiber-reinforced composite materials.

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“…The spherical and fibril-like bulge structures, grooves [ 15 ], and bundle-like microfiber structure [ 17 ] could be generated on the fiber surface. Usually, these kind of surface-structured fibers are produced by wet-spun [ 44 ], electrospun [ 45 ], how drawing [ 46 ] processes. The melt-spun method provides an effective way to modify the surface structure of polymer materials.…”

Section: Resultsmentioning

confidence: 99%

“…The spherical and fibril-like bulge structures, grooves [15], and bundle-like microfiber structure [17] could be generated on the fiber surface. Usually, these kind of surface-structured fibers are produced by wet-spun [44], electrospun In order to further study the microstructure and the surface morphologies of fibers, PS/PP blend fibers were etched with tetrahydrofuran to dissolve the PS phases on the fiber surface and the corresponding SEM morphologies are given in Figure 4. Black holes and fibril grooves were observed after extracting the PS domains on the fiber surface.…”

Section: Surface Morphology Of Fibermentioning

confidence: 99%

Surface Structured Polymer Blend Fibers and Their Application in Fiber Reinforced Composite

et al. 2020

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“…Even though there are many methods for fabricating fibers such as wet spinning, [15][16][17][18][19][20][21] which could be categorized as dry-jet wet spinning [22][23][24] and shear wet spinning, 25 solution blow spinning, 26 emulsion spinning, 27 melt spinning, 28,29 melt blowing, [30][31][32] and rotary jet spinning, 33,34 electrospinning is perhaps the simplest, most straightforward, and cheapest method to manufacture polymer fibers by forcing a polymer solution or polymer melt through a spinneret in an electric field. [35][36][37][38][39][40][41] It is the most decorated fiber spinning technology on this planet so far!…”

Section: Electrospinning and The Evolvement Of Core-sheath Fibersmentioning

confidence: 99%

Current methodologies and approaches for the formation of core–sheath polymer fibers for biomedical applications

Muthusubramanian

Edirisinghe

Homer‐Vanniasinkam

et al. 2020

Applied Physics Reviews

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The application of polymer fibers has rocketed to unimaginable heights in recent years and occupies every corner of our day-to-day life, from knitted protective textile clothes to buzzing smartphone electronics. Polymer fibers could be obtained from natural and synthetic polymers at a length scale from the nanometer to micrometer range. These fibers could be formed into different configurations such as single, core-sheath, hollow, blended, or composite according to human needs. Of these several conformations of fibers, core-sheath polymer fibers are an interesting class of materials, which shows superior physical, chemical, and biological properties. In core-sheath fiber structures, one of the components called a core is fully surrounded by the second component known as a sheath. In this format, different polymers can be applied as a sheath over a solid core of another polymer, thus resulting in a variety of modified properties while maintaining the major fiber property. After a brief introduction to core-sheath fibers, this review paper focuses on the development of the electrospinning process to manufacture core-sheath fibers followed by illustrating the current methodology and approaches to form them on a larger scale, suitable for industrial manufacturing and exploitation. Finally, the paper reviews the applications of the core-sheath fibers, in particular, recent studies of core-sheath polymer fibers in tissue engineering (nerve, vascular grafts, cardiomyocytes, bone, tendons, sutures, and wound healing), growth factors and other bioactive component release, and drug delivery. Therefore, core-sheath structures are a revolutionary development in the field of science and technology, becoming a backbone to many emerging technologies and novel opportunities.

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“…At this temperature, metal materials and alloy materials have melted, while ceramic materials cannot meet the actual needs because of the difficulties in forming large parts and high cost. Carbon fiber is used in the field of high-temperature insulation, especially in the field of crystal growth, because of its excellent mechanical properties, high temperature resistance (higher than 2000°C in inert atmosphere) [1,2], and heat preservation performance. In addition, the molding method of carbon/carbon fiber composite materials is relatively easy to achieve.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and Study on Thermal Conductivity, Electrical Properties, and Mechanical Properties of the Lightweight Carbon/Carbon Fiber Composite

Wang

Yang

et al. 2020

Journal of Chemistry

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In this paper, lightweight carbon/carbon fiber composite thermal field insulation materials were fabricated by the process method of long carbon fiber airflow netting-needle punching forming felt-resin impregnation-molding curing-high-temperature carbonization and graphitization. The microscopic morphology, conductivity, bending strength, and thermal conductivity of carbon/carbon fiber composites were measured by using the scanning electron microscope (SEM), four probes, electronic universal testing machine, and thermal analyzer. The results show that the long carbon fiber in the carbon/carbon fiber composite forms a three-dimensional structure of X-Y-Z with a density of 0.16 ± 0.02 g/cm3, which makes the composite material have excellent thermal insulation performance at high temperature, and the conductivity is 1452.4 S/m (plane direction) and 182.8 S/m (perpendicular to the plane direction), the compressive strength is 0.2 MPa (plane direction) and 1.31 MPa (perpendicular to the plane direction), the bending strength is 0.24 MPa (plane direction) and 1.1 MPa (perpendicular to the plane direction), and the thermal conductivity is 0.076 W/(mK) (25°C) and 0.17 W/(mK) (1200°C), respectively. The above process methods and test results will provide the application of the carbon/carbon fiber composite in the solar polysilicon furnace, single crystal silicon furnace, semiconductor furnace, sapphire furnace, fiber drawing furnace, and high-end metallurgical heat treatment furnaces, as well as applications in other high-temperature insulation environments, and also provide some suggestions in these insulation applications.

show abstract

Tensile and interfacial properties of dry-jet wet-spun and wet-spun polyacrylonitrile-based carbon fibers at cryogenic condition

Cited by 10 publications

References 24 publications

Surface Structured Polymer Blend Fibers and Their Application in Fiber Reinforced Composite

Surface Structured Polymer Blend Fibers and Their Application in Fiber Reinforced Composite

Current methodologies and approaches for the formation of core–sheath polymer fibers for biomedical applications

Fabrication and Study on Thermal Conductivity, Electrical Properties, and Mechanical Properties of the Lightweight Carbon/Carbon Fiber Composite

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