Carbon Fiber Knowledge

Industry News & Insights

The latest from the world of advanced composites and carbon fiber technology.

TechnologyHybrid Carbon/Glass Spar Caps for Wind Blades: Stiffness-Cost Optimization in 100m Rotor Designs
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Hybrid Carbon/Glass Spar Caps for Wind Blades: Stiffness-Cost Optimization in 100m Rotor Designs

Wind blade spar caps are the primary load-carrying members of the blade: long, thick laminates that run from root to tip and resist the flapwise bending loads that dominate turbine operation. As rotor diameters have grown past 100 meters — with blades of 80-90 meters becoming standard f

Aug 11, 20264 views
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TechnologyFiber Grade Selection for eVTOL Airframes: T700S vs T800S vs T1100 Material Choices for Certification
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Fiber Grade Selection for eVTOL Airframes: T700S vs T800S vs T1100 Material Choices for Certification

eVTOL aircraft represent one of the fastest-growing structural applications for carbon fiber composites. A typical four-to-five-passenger airframe carries 100-200 kg of composite structure, and programs now in development expect production rates in the hundreds to thousands of aircraft

Aug 11, 202612 views
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TechnologyWet Spinning vs Dry-Jet Wet Spinning for T1100-Grade Carbon Fiber: Process Comparison and Production Feasibility
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Wet Spinning vs Dry-Jet Wet Spinning for T1100-Grade Carbon Fiber: Process Comparison and Production Feasibility

T1100-grade carbon fiber — defined by tensile strength in the 6,500-7,000 MPa range — has historically been produced almost exclusively by dry-jet wet spinning (DJWS). The process, in which the spinning dope exits the spinneret through an air gap before entering the coagulation bath, wa

Aug 11, 202615 views
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IndustryVitrimer and Recyclable Resin Systems 2026: Reversible Crosslinks for Wind Blade and Aerospace Circularity
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Vitrimer and Recyclable Resin Systems 2026: Reversible Crosslinks for Wind Blade and Aerospace Circularity

Vitrimer and recyclable resin systems are the most promising answer to the composite industry's end-of-life problem. Carbon fiber composites are valued for their strength-to-weight ratio, but the thermoset matrices that give them structural integrity are permanently crosslinked — once c

Aug 10, 20267 views
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IndustryASTM D30 Standards for Carbon Fiber Composites: A Practical Guide to Specimen Prep and Data Reporting
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ASTM D30 Standards for Carbon Fiber Composites: A Practical Guide to Specimen Prep and Data Reporting

ASTM D30 standards for carbon fiber composites define how the industry measures tensile, compressive, shear, flexural, and delamination properties, and how those measurements are reported in datasheets and qualification reports. When a supplier claims a tensile strength of 2,500 MPa, th

Aug 10, 202612 views
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IndustryAS9100D Certification for Carbon Fiber Suppliers: Quality Management Requirements and Audit Preparation
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AS9100D Certification for Carbon Fiber Suppliers: Quality Management Requirements and Audit Preparation

AS9100D certification is the entry ticket to the aerospace supply chain. The standard, published by the International Aerospace Quality Group and aligned with ISO 9001, adds aviation-specific requirements for product safety, configuration management, counterfeit part prevention, and spe

Aug 10, 202612 views
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IndustryAerospace Composite Rate Ramp to 2028: Supply Chain Qualification, Material Readiness, and Production Capacity
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Aerospace Composite Rate Ramp to 2028: Supply Chain Qualification, Material Readiness, and Production Capacity

The aerospace composite rate ramp to 2028 is reshaping the carbon fiber supply chain. After years of production constrained by pandemic recovery and program delays, commercial aircraft manufacturers are now signaling sustained output increases across single-aisle, twin-aisle, and freigh

Aug 10, 202610 views
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TechnologyThermoplastic Composite Joining: Welding vs Adhesive Bonding for Aircraft and Automotive Structures
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Thermoplastic Composite Joining: Welding vs Adhesive Bonding for Aircraft and Automotive Structures

Thermoplastic composite joining has become the critical production question in modern aerospace manufacturing. Carbon fiber reinforced thermoplastics — the material of choice for next-generation fuselage barrels, wing components, and automotive body structures — can be joined two fundam

Aug 10, 202617 views
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TechnologyHydrogen Permeation Barrier Coatings for Composite Tanks: Barrier Resins, Test Methods, and Leak-Proof Designs
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Hydrogen Permeation Barrier Coatings for Composite Tanks: Barrier Resins, Test Methods, and Leak-Proof Designs

Hydrogen permeation barrier coatings are the unsung safety layer of modern composite pressure vessels. The hydrogen molecule is the smallest in existence, and it diffuses through polymers at rates far higher than natural gas or air. In a Type IV tank, where a polymer liner and carbon fi

Aug 10, 202618 views
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