As4 carbon fibre pdf 3. Generate >25% surface oxygen on carbon fiber as measured by x-ray photoelectron spectroscopy (XPS) 3. The polyeth e rether keton e (PEEK ) matrix is a h i gh-performanc e engineer ing thermo- plastic m a ter i al. Hexply 8552 datasheet - Download as a PDF or view online for free. Recently, AS4/PEEK composites became very attrac-tive for orthopedic implants, due to biocompatibility, simi-lar modulus to bone and ability to withstand prolonged fa- tigue strain [3, Basalt fiber (BF), a new kind of inorganic fiber made from basalt rock, exhibits a low thermal conductivity (0. Units SI Units Tensile Strength 3K 6K Access Denied to View Materials Your IP Address has been restricted due to excessive use. The PFDM model was database for the carbon-epoxy AS4/3501-6 composites. carbon fibre - Download as a PDF or view online for free. The diameter of PEEK fibres is approximately 130 µm in the cross-weave and 30 µm in the longitudinal direction Hexcel® AS4C Carbon Fiber (3000 Filaments) Category : Carbon , Carbon Fiber , Other Engineering Material , Composite Fibers Material Notes: Weight/length = 0. Standard Spool Size 4 pounds. We manufacture the full spectrum of advanced material solutions including carbon fiber, reinforcement fabrics and pre-impregnated materials as well as honeycomb core, tooling AS4-GP 3k (1%), AS4-GP 12k (0. 2. cured, toughened epoxy resin (37% resin content) reinforced by woven carbon AS4 PAN-based carbon fibers (3000 filament counts tows) with 280 g/m2 areal fiber weight. Elastic constants E11 (GPa) E22 (GPa) ν12 ν23 G12 (GPa) G23 (GPa) α11 (μstrai n/˚C) α22 (μstrain/ ˚C) AS4 Carbon fiber 235 14 0. 427 1. T300, HTA and AS4) had diameters of 7–8 micrometers. reported slightly lower values of the order of 1. 5 W mK−1) [14]. . The mechanical properties and specifications of the prepreg tow material are summarized in View AS4. Overall density 1. PDF | Fiber-reinforced composite materials are Data-driven approach for the prediction of mechanical properties of carbon fiber reinforced composites. Digital Image Correlation (DIC) was used to monitor the surface strain evolution throughout the fatigue lifetime. January 2022; Solvay MTM45-1 with 12K In this work, carbon fibre (AS4)/thermoplastic Polyetherketoneketone (PEKK) composite V-notched cross-ply specimens were manufactured to investigate their non-linear response under pure shear loading. View PDF; Download full issue; Search ScienceDirect. HexTow® AS4 carbon fiber is a continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K) and 12,000 (12K) filament count tows. Key Words: APC-2-PEEK: Vendors: Available Properties; Density, the single carbon fibre pullout test under the influence of residual thermal stresses by using cohesive zone modelling. 23 The prepreg was stored in hermetically sealed packing at ˚18˜C. DSC analysis and autoclave manufacturing were performed within CARBON FIBER FABRIC PLAIN WEAVE 3K HEXCEL AS4 MODEL #: F-375-50 HEXTOW® AS4 CARBON FIBER HexTow® AS4 carbon iber is a continuous, high strength, high strain, PAN based iber avail-able in 3,000 (3K), 6,000 (6K) and 12,000 (12K) ilament count tows. The polyimide system was composed of carbon fibre (T800H, TORAY) and thermoplastic polyimide resin (PI-SP). edu/theses RReecommecommennddeedd CCiittaattiionon This study explores automated fibre placement (AFP) for manufacturing impact-resistant carbon fibre/PEEK (AS4/APC-2) laminates by modifying the in-situ consolidation parameters. AS4 carbon fibre was supplied by Hexcell Co. ncat. 858 g/m. Fatigue crack growth (Tech n ica I Report) Abstract: This paper reports some fatigue crack growth results obtained on unidirectional laminates of AS4/PEEK. 210 1. 03 W mK−1) [12] when compared to other high-performance fibers, such as carbon fiber (2. This, however, results in significant damage to the material, but the extent to which this would reduce the . Download Citation | Thermal characterization of AS4/3501-6 carbon-epoxy composite | Thermal diffusivity, specific heat, and thermal conductivity are important thermophysical properties of carbon fibres and its effect on the EB curing com-posites, the most suitable carbon fibre for EB curing composites can be selected. Results. The 3501-6 epoxy resin is amine cured and provides low shrinkage during the curing process while maintaining excellent resistance to chemicals and solvents. 200 g/m. The fatigue samples have been Carbon Fiber Reinforced Fabrics Carbon, Glass, Aramid and Hybrid Prepregs RTM Materials HexTOOL ® composite tooling material Structural Film Adhesives Honeycomb Cores Engineered Core ; 1913 North King Street ; Seguin, Texas 78155 ; Phone: 830-379-1580 . Gangadhara Prusty and ∅273. Flexure behavior of a carbon fiber reinforced plastic (CFRP) prepreg system, AS4/914, with five different layup sequences was investigated under static and fatigue loads to simulate typical PDF | This paper presents an experimental investigation on the mechanisms of damage onset and evolution in unidirectional PEEK/AS4 carbon fibre Hexcel® HexTow™ AS4C Carbon Fiber Category : Carbon , Carbon Fiber Material Notes: HexTow™ AS4C carbon fiber is a continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K), and 12,000 (12K) filament count tows. Fibre volume fraction 34%. This iber has been surface treated and can be sized to improve its High-strength Toray T700 FIB notched carbon fibres were tested by Kant & Penumadu and the results obtained, 1. During the course of this work, two different treatment prototypes were developed and explored. The laminates were Unidirectional (UD), Cross Ply (CP), Angle Ply (AP), Laminate-1 (L1) Carbon fiber composite materials are used extensivelyin many modern fighter aircrafts, such as Lockheed Martin F-35 Lightning, Eurofighter, Rafael and Saab Gripen. S. Prepreg - Carbon Fiber - 3k Plain Weave - AS4, NT-350HT - 205 gsm - 50" Wide x 150 ft ~ 26 lbs This AS4 NT-350HT toughened carbon fiber prepreg is especially designed for unlimited out time, so refrigeration is not required with zero change in process par PDF | This paper investigates the feasibility of CF/PEEK composites for manufacture of cryogenic fuel tanks for Next Generation Space Launchers. For European sales office numbers and a full Download Table | 1: Material properties of carbon/epoxy (AS4/3501-6) from publication: CONTROLLING PERFORMANCE OF LAMINATED COMPOSITES USING PIEZOELECTRIC MATERIALS | Composite materials are PDF | On Feb 18, 2013, Martin Alberto Masuelli published Introduction of Fibre-Reinforced Polymers − Polymers and Composites: Concepts, Properties and Processes | Find, read and cite all the Thus, we used split Hopkinson pressure bar (SHPB) tests to conduct the out-of-plane compression test of cross-ply carbon fiber-reinforced polyetheretherketone (AS4/PEEK) composite laminates The AS4 carbon fibre h a s a diame t er of 7 μ m. 1. mm, a width of 10 mm and a thickness of 2. pdf from HISTORY 352 at University of Wisconsin, Madison. Matrix Young's modulus (GPa) m E 4. Material Notes: Weight/length = 0. The mechanical properties and specifications of the prepreg tow (a) Longitudinal view of an AS4 carbon fibre after the introduction of the straight notch perpendicular to the axis, (b) fracture surface of an AS4 carbon fibre after testing. The large Request PDF | On Oct 1, 2024, Shafaq Shafaq and others published Experimental Study on the Influence of Optimised Automated Fibre Placement Processing Parameters on the Impact Response and Data shown are normalized to 60% Fiber Volume where applicable Sizing Available with HexTow® Continuous Carbon Fiber Products Designation Size Compatibility* Recommended Uses Sizing Level Epoxy, Phenolic, Polycarbonate, Polyurethane, Polyester, Polysulfones, Cyanate Ester, Vinyl Ester, Nylon, BMI, PES, PEEK, PEKK, PES, PVC, Polyimide, AS4 12k • 12” carbon fiber tape 145 (34% resin content) 289 (143) 15-30 min at 720 (382) APC PEKK FC: High toughness and excellent chemical resistance with very low flammability and smoke toxicity Standard Modulus AS4D 12k • 12” carbon fiber tape 145 (34% resin content) 318 (159) 15-30 min at 710 (377) Product/Features Fiber Product Form Material properties for AS4 carbon fiber [16] [17]. 35 ± 0. Submit Search. 20 meters Warp type of yarn: 3K AS4 carbon fiber Weft type of yarn: The material used in this study was commingled continuous carbon fibre reinforced PEEK unifabric (UD AS4 3K/PEEK) supplied by the Polymer Research Division, BASF. library. At melt processing temperature fiber preload is 2. The AS4 carbon fiber used is a unidirectional continuous PAN based fiber. The response of un-notched fibres was linear and elastic up to failure (figure 2a). HexTow® AS4 carbon fiber is an aerospace grade, continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K) and 12,000 (12K) filament count tows Author Chopped fibers are used in compression and injection molding compounds to produce machine parts, gears, and chemical valves. 858 1. The melting temperature determined by the differential scanning calorimetry (DSC) Download Table | 1: Material properties of carbon/epoxy (AS4/3501-6) from publication: CONTROLLING PERFORMANCE OF LAMINATED COMPOSITES USING PIEZOELECTRIC MATERIALS | Composite materials are AS4ρ AS4 +v PEEKρ PEEK,α (2) C APC−2 =v AS4 C AS4 +v PEEK C PEEK (3) where ρ, C, νa nd α are density, specific heat, volume fraction and relative crystallinity, and the subscripts denote the carbon fiber or the matrix. 8 5. However, manufacturing these laminates without compromising their mechanical properties is challenging owing to the synergistic effect of parameters. A low-temperature shoulder (i) In regime (i) Strength of Thermoplastic Carbon Fibre-PEEK Composite Tubes Under Combined Compression-Torsion Loading Md Shamsuddoha, Ebrahim Oromiehie, and B. Continuous fiber can be combined with virtually all thermoset and thermoplastic resin systems. Carbon fiber materials are among the most widely usedin various elements of load-bearing structure of aircraft, such as, (1) the AS4 carbon fiber reinforced poly-ether-ether-ketone (AS4/PEEK) are used in structural applications: leading edges, clips and brackets, and stiffened thermoplastic panels performance advantages for carbon fiber composites. 25 2. 2 5. (220ºF) Bold** 82ºC (180ºF) Prepreg Properties - HexPly® 8552 Woven Carbon Prepregs (AS4 Fibre) the single carbon fibre pullout test under the influence of residual thermal stresses by using cohesive zone modelling. This iber has been surface treated and can be sized to improve its interla- PDF | Nonlinear finite element (FE) simulations to characterize lightning-induced thermal damage in AS4/3506 carbon/epoxy composites with metallic and | Find, read and cite all the research you TThheermarmall CChhaarraactcteerization Of As4/3501-6 Carbon-Epoxy rization Of As4/3501-6 Carbon-Epoxy CComposomposiittee Bradley R. Hexply 8552 datasheet • 0 likes • 753 views. In a first part of this paper, the fatigue strength for various laminates of a carbon fibre reinforced thermoplastic material (AS4/APC-2) was investigated experimentally up to 109 cycles. The mould was heated to 400 oC, followed by cooling between polyimide films and aluminium sheets at different cooling rates. The volume fraction of fibres V f was about 0. The AS4 carbon fiber used is a unidirectional continuous PAN based fiber, and the 3501-6 epoxy resin is amine cured and provides low shrinkage during the curing process while maintain resistance to chemicals and solvents. Hexply 8552 datasheet - Download as a PDF or view online for free . Specimens with a central circular hole were selected to represent notched composite structures. Units SI Units Tensile Strength 3K 685 Download Table | 1: Material properties of carbon/epoxy (AS4/3501-6) from publication: CONTROLLING PERFORMANCE OF LAMINATED COMPOSITES USING PIEZOELECTRIC MATERIALS | Composite materials are Prepreg Fibre Fibre Area Weight (FAW g/m2) Prepreg tape width (mm) Process (layup and consolidation) AE 250/CF AS4 134 6. PDF | Current applications of composite materials have been focussing on the use in thin shells and continuous profiles, volume from AS4 carbon fibres (from Hexcel, US) Carbon Fiber Reinforced HexTow® AS4 carbon fiber is an aerospace grade, continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K) and 12,000 (12K) filament count tows Author: Lisa Durst Created Date: 12/29/2021 6:44:29 PM Hexcel® HexTow® AS4C 6K Standard Modulus Carbon Fiber (6000 Filaments) Categories: Carbon; Carbon Fiber/Carbon Fibre; Other Engineering Material; Composite Fibers. International Journal of Solids and programme was manufactured by Hexcel Composites and is composed of a 3501-6 epoxy resin prepreg reinforced with AS4 unidirectional carbon fibre (commercially named AS4/3501-6 RC37 AW190). 38 MPa for 30 min. Later fibers (e. The 3501-6 was developed to operate in a temperature The purpose of this paper is to (1) develop a suitable off-axis compression test fixture and specimen configuration; (2) study the compressive behaviour of PEEK/AS4 carbon fibre reinforced thermoplastic composite through off-axis compression test, which would produce a set of combined stress states with uniaxial load and lead to different failure modes; (3) Prepreg Fibre Fibre Area Weight (FAW g/m2) Prepreg tape width (mm) Process (layup and consolidation) AE 250/CF AS4 134 6. 1 MPa√m for other PAN-based carbon fibres (high-strength T800G and high modulus M30S, M40S and M50S). About the thermomechanical behaviour of a carbon fibre reinforced high-temperature thermoplastic composite. the AS4 carbon fiber reinforced poly-ether-ether-ketone (AS4/PEEK) are used in structural applications: leading edges, clips and brackets, and stiffened thermoplastic panels [1, 2]. IM6 or IM600) have diameters that are approximately 5 Carbon Fiber Reinforced HexTow® AS4 carbon fiber is an aerospace grade, continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K) and 12,000 (12K) filament count tows Author: Lisa Durst Created Date: 10/16/2019 10:17:11 AM The material AS4/APC-2 (or AS4/PEEK), which was used in this research, is a carbon fibre reinforced thermoplastic material and a candidate for various applications in aerospace and other industries. The finished products have excellent corrosion, creep and es industry. 00 and 1. Customer Service Toll Free: 1-866-601-5430 . 125 Hand layup/Press AE 250/CF AS7 192 50. g. The problem may be compounded when an IP address may be shared by many people in a company or through an internet service provider. 73±0. The lay-up of AS4/PEEK was [0] 16. 5 W mK−1) [13], and ultra-high molecular weight polyethylene (0. Note The slit tape consists of a 68:32 wt% mixture of carbon fiber (AS4) and PEEK (APC-2) [8]. Properties of AS4 carbon fibre and Hercules 3501-6 epoxy matrix. Table 2: FIMATEST adhesion strength test results for AS4 carbon fibers in a PA66 resin system. Four typical commercial carbon fibres T300, AS4, T800HB-40B and IM7 with anisotropic elastic and thermal properties embedded in epoxy matrix HY6010 are considered in this study. 79 8 AS4C HexTow®, PAN based carbon fiber is available in 1/4 inch chopped fiber lengths, sized for compatibility with various resin matrix systems and processes. 5 × 300 mm were manufactured using UD thermoplastic carbon-PEEK prepreg tapes (AS4-APC2; Supplied by Solvay). carbon fibre The earliest generation of carbon fibers (e. For European sales office numbers and a full In previous work, a theoretical model based on Hamilton's principle and spectral analysis has been used to study the non-linear free vibration of CFRP (carbon-fibre-reinforced plastic) and hybrid composite panels. This iber has been surface treated and can be sized to improve its interla- AS4 3000 670 4619 33. 2 0. 46 g/cm 3. Doleman North Carolina Agricultural and Technical State University Follow this and additional works at: https://digital. Fax: 830-379-9544 . The present paper investigates the first non-linear mode shape of symmetrically laminated AS4/APC2 composite panels. 11 MPa√m, were similar to those reported here for AS4 carbon fibre, whereas Tanaka et al. Customer Service Toll Free: 1866- -601-5430 . Property data for composite with 60 volume% AS4 high strength [>500 ksi (3447 MPa)] standard modulus [33 Msi (228 GPa) class] carbon fiber reinforced unidirectional tape. database for the carbon-epoxy AS4/3501-6 composites. From the melting temperature to room temperature the system PDF | A collaborative test programme has been undertaken on modified epoxy matrix 8552 reinforced with AS4 carbon fibres, and cyanate 954-3 reinforced | Find, read and cite all the research you The AS4/PEEK composite was fabricated from the prepreg (APC-2, ICI) made of carbon fibre (AS4, Hercules) and thermoplastic polyetheretherketone resin (PEEK). This fiber has been surface treated and can be sized to improve its interlaminar shear Request PDF | Assessment of a Progressive Fatigue Damage Model for AS4/3501–6 Carbon Fiber/Epoxy Composites Using Digital Image Correlation | This paper presents an experimental study for the PDF | The characterization of the strength and fracture toughness of three common structural fibres, E-glass, AS4 carbon and Kevlar KM2, is presented in AS4 carbon fibres of 61% by volume) were used throughout the study. The cured panels are obtained by cutting prepreg Flexure behavior of a carbon fiber reinforced plastic (CFRP) prepreg system, AS4/914, with five different layup sequences was investigated under static and fatigue loads to simulate typical loading geometry in an aircraft wing. The 3501-6 was developed to operate in a temperature Progressive Fatigue Damage Model (PFDM) with a carbon fiber/epoxy (AS4/3501–6) material system. 6 -1. 9%), and AS4 12k carbon fibers have been qualified to NMS 818 Carbon Fiber Specification (NCAMP). Highly reactive surface chemistries were Carbon Fiber Reinforced Fabrics Carbon, Glass, Aramid and Hybrid Prepregs RTM Materials HexTOOL ® composite tooling material Structural Film Adhesives Honeycomb Cores Engineered Core : 1913 North King Street : Seguin, Texas 78155 : Phone: 830-379-1580 . HexTow® AS4 carbon fiber is a continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K) and 12,000 Figure 2 D. This allows customers to call out an industry standard, aerospace grade carbon fiber without the need to write and maintain their own specification. 5 The FE model replicated the experimental steps as follows: 1. Crack growth is intralaminar and the study has included the influence of laminate thickness, method of consolidation and level of applied Both carbon fiber thermoset and thermoplastic materials can be drilled using a laser. EXPERIMENTAL 2. The intrinsic low thermal conductivity of BF makes it possible to be fabricated as a Intrinsic characterisation of continuous carbon fibre thermoplastic composites-3. 125 Hand layup/Oven Table 2. 79 4 12000 640 4413 33. The fiber has been surface HexTow® AS4 carbon iber is a continuous, high strength, high strain, PAN based iber avail- able in 3,000 (3K), 6,000 (6K) and 12,000 (12K) ilament count tows. This fiber has been surface AS4-GP 3k (1%), AS4-GP 12k (0. The project technical goals were 1. 0 mm of AS4/PEEK, AS4/epoxy and fibreglass/epoxy. s. plot of BMPM/DABPA (1:1 molar)-AS4 carbon fibre (C) At higher temperatures both 'ene' homopolymeriz- composite prepreg ation, reaction (5), and 'ene'-BMI double-bond crosslinking polymerization (Diels-Alder reaction), reaction (6), occur as indicated by the d. Information provided by Hexcel Corporation. Table 1 gives their material components. 2 Matrix Poisson's ratio m 0. 16 layer laminates were fabricated using a hot press at a pressure of 1. HexTow® AS4C carbon fiber is a continuous, high strength, high strain, PAN based fiber. Volume 95, 15 June 2016, Pages 386-394. Prepreg tapes for AFP and hand layup Property Lay-up Number of Plies Strength of Thermoplastic Carbon Fibre-PEEK Composite Tubes Under Combined Compression-Torsion Loading Md Shamsuddoha, Ebrahim and ∅273. 0 ± 0. From their extensive database, four CFRPs have been selected for analysis: Solvay MTM45-1 with 12K AS4 unidirectional carbon fiber, Solvay MTM45-1 with IM7 unidirectional carbon fiber, Hexcel 8552 with 12K AS4 unidirectional carbon fiber, and Hexcel 8552 with IM7 unidirectional carbon fiber. Values are typical average lot properties. AS4-GP 3k (1%), AS4-GP 12k (0. 7 0. Four typical commercial carbon fibres T300, AS4, T800HB-40B and IM7 with anisotropic elastic and thermal properties embedded in epoxy matrix HY6010 are considered in CARBON FIBER FABRIC 2X2 TWILL 3K HEXCEL AS4 MODEL #: F-1286 HEXTOW® AS4 CARBON FIBER HexTow® AS4 carbon iber is a continuous, high strength, high strain, PAN based iber avail-able in 3,000 (3K), 6,000 (6K) and 12,000 (12K) ilament count tows. Prepreg tapes for AFP and hand layup Property Lay-up Number of Plies carbon fabric, carbon fiber 3k as4, carbon fabric twill 160 g TECHNICAL CHARACTERISTICS Areal weight: 160 g / m2 Weaving style: Twill 2X2 Available widths: 1. A diagram of the commingled unifabric system is shown in Fig. The objective of this paper is to develop a thermal properties database for the carbon-epoxy AS4/3501-6 composite. PDF | An excellent In specimens with 12 mm carbon fibre, A series of experiments was carried out on several AS4/PEEK laminated plates manufactured by automatic tape placement process. Typical Fiber Properties U. 40–45 Solvay MTM45-1 and Hexcel 8552 are both toughened epoxy resins. Author links open overlay panel Xavier Gabrion, Vincent Placet, For quasi-isotropic AS4/PEEK submitted to tensile loading, PDF | An experimental method for non-standard off-axis tension tests of unidirectional composites is developed. 1 Raw Material and Processing Raw materials: T300, T700, T800, M40, and M40J carbon fibres were supplied by Toray Industries Inc (Japan). (USA). 210 g/m. 1 ABSTRACT This project focused on developing and applying a new surface treatment technology to carbon fiber applications. The thermal conductivity of APC-2 is anisotropic because the carbon fiber and the matrix materials have different Request PDF | Impact Of Nd-Yag Laser Drilling on the Fatigue Characteristics of APC-2A/AS4 Thermoplastic Composite Material | Both carbon fibre thermoset and thermoplastic materials can be drilled Download Citation | Thermal characterization of AS4/3501-6 carbon-epoxy composite | Thermal diffusivity, specific heat, and thermal conductivity are important thermophysical properties of Progressive Fatigue Damage Model (PFDM) with a carbon fiber/epoxy (AS4/3501–6) material system. Hexply 8552S uses a 180˜C curing epoxy matrix. The chopped product is small, Hexcel® AS4 Carbon Fiber (12,000 Filaments) Category : Carbon , Carbon Fiber , Other Engineering Material , Composite Fibers Material Notes: Weight/length = 0. 8 0. CARBON FIBER/RED KEVLAR FABRIC 2X2 TWILL 3K HIGH DENSITY MODEL #: F-1150 HEXTOW® AS4 CARBON FIBER HexTow® AS4 carbon iber is a continuous, high strength, high strain, PAN based iber avail-able in 3,000 (3K), 6,000 (6K) and 12,000 (12K) ilament count tows. The samples for tension–tension fatigue were cut with a span length of 250. saadnauman Follow. 34 Hexcel® AS4 Carbon Fiber (3000 Filaments) Category : Carbon , Carbon Fiber , Other Engineering Material , Composite Fibers Material Notes: Weight/length = 0. 61. 0–7. 400 g/m. 125 AFP/Press AE 250/CF AS7 192 50. The PFDM model was View AS4. c, peak centred at 254°C for the prepreg in Figure 2. UD AS4 carbon fibre reinforced PEEK and epoxy and fibreglass reinforced epoxy were considered in this investigation. 8. The Permeability curve IM7 v AS4 carbon fibres . Fibre AS4 carbon fibre. HexTow® AS4 carbon fiber is a continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K) and 12,000 Hexply 8552 datasheet - Download as a PDF or view online for free. Design and build a plasma device capable of surface treating 1 t of carbon fiber per year 2. This allows customers to call out an industry standard, aerospace grade carbon fiber without the HexTowTM AS4 carbon fiber is a continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K), and 12,000 (12K) filament count tows. S. Typical Cytec Engineered Materials product code: APC-2/AS4 Information provided by Cytec, subsequently acquired by Solvay. 5 231 1. HexTow™ AS4 carbon fiber is a continuous, high strength, high strain, PAN based fiber available in 3,000 (3K), 6,000 (6K), and 12,000 (12K) filament count tows. 79 4 6000 640 4413 33. c. The presented project started with a literature research in 1998 when over 125 papers were found based on key words related to the subject. kzhtec mqtsic upi kps gebddu okm kwtgs tukxco pto oyuec