高性能大丝束碳纤维制备技术
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大丝束碳纤维制备技术新突破
DT新材料· 2025-11-05 16:04
Core Viewpoint - The article highlights a significant breakthrough in the development of high-performance large tow carbon fiber technology led by Wuhan University of Technology, which has successfully established a complete industrial chain from material preparation to engineering application, addressing key challenges in the industry [2][3]. Group 1: Technological Advancements - The research team has developed 48K high-performance large tow carbon fiber, achieving a tensile strength of 5620 MPa and a tensile modulus of 275 GPa, positioning its performance at a leading domestic and advanced international level [2]. - The team has overcome critical issues such as raw fiber uniformity control and carbonization efficiency through innovative dry-jet wet spinning technology and complete equipment [2]. Group 2: Application and Market Impact - Five representative physical products have been successfully developed based on this technology, including solid rocket motor casings for aerospace, hull sections for water drones in aviation, hulls for unmanned boats in the shipping sector, tops for freight vehicles in rail transport, and drive shafts for high-end equipment [3]. - The project team plans to promote the application of large tow carbon fiber in the automotive sector and further enhance industrial support to create a cluster effect, contributing to the high-quality development of China's strategic new materials industry [3].