东丽，碳纤维增强塑料技术刷新上限！

Core Viewpoint - The article discusses the advancements in carbon fiber reinforced plastic (CFRP) technology by Toray Industries, focusing on their new welding technology that addresses the challenges of joining composite materials in aerospace and other industries [3][7]. Group 1: CFRP Technology and Applications - CFRP is a lightweight, high-strength composite material with a density only 1/4 that of steel and a specific strength exceeding 2000 kN·m/kg, making it widely used in aerospace applications such as aircraft skins and wings [4]. - In the Boeing 787 Dreamliner, CFRP accounts for 50% of the material used, with Toray being the largest supplier [4]. - Despite the advantages of CFRP, metals still dominate in large equipment sectors, necessitating effective joining technologies between different materials [4]. Group 2: New Welding Technology - Toray's new welding technology allows for direct welding between thermosetting and thermoplastic CFRP, eliminating the need for adhesives and bolts, thus enhancing integration design possibilities [7]. - The new welding resin developed by Toray has been validated to provide superior strength compared to traditional adhesive bonding, significantly reducing assembly time from over one day to approximately 20 minutes for a 900 mm x 600 mm aircraft structure [7]. Group 3: Financial Performance and Market Position - For the fiscal year 2024, Toray reported total sales of 2.56 trillion yen, a 4.0% increase year-on-year, with net profit soaring by 255.8% to 77.9 billion yen, driven by recovery in aerospace and wind energy sectors [9]. - The carbon fiber and composite materials segment generated approximately 300 billion yen in revenue, with a profit increase of 70.7% to 22.5 billion yen [9]. - Toray's global carbon fiber production capacity stands at 64,000 tons, making it the largest producer worldwide [9]. Group 4: Strategic Collaborations and Innovations - Toray has initiated a joint aircraft recycling program with French companies to enhance recycling technologies in aerospace manufacturing [10]. - The company signed a long-term supply agreement with Airborne Aerospace for advanced CFRP materials for next-generation satellite solar panels [11]. - In November, Toray developed a breakthrough carbon fiber recycling technology that recycles CFRP from various sources, achieving a tensile strength of over 95% compared to virgin carbon fiber [12].