泽睿碳化硅纤维项目通过商发验收，航空发动机热端部件材料重大突破

Core Viewpoint - The successful completion of the project on in-situ modified XX continuous silicon carbide fibers by Hunan Boxiang New Materials Co., Ltd. marks a significant advancement in the aerospace new materials sector, enabling the development of high-temperature resistant composite materials for aviation engines [1][2]. Group 1: Project and Material Development - The project led by Hunan Boxiang's subsidiary, Hunan Zerui New Materials Co., Ltd., passed expert evaluation, confirming that the new material Zelramic-iBN silicon carbide fiber meets extreme performance requirements for aviation engine composite materials [1][2]. - Zelramic-iBN fiber shows significant improvements in high-temperature resistance and creep resistance compared to the previous generation Zelramic fiber, making it suitable for new aviation engines and gas turbine applications [1][3]. Group 2: Technical Specifications - Key performance indicators for Zelramic-iBN fiber include a single fiber tensile strength of ≥2.5 GPa, a linear density of 90±10 Tex, and a density of 3.05±0.1 g/cm³ [2][3]. - The in-situ generated BN coating on Zelramic-iBN fibers enhances environmental erosion resistance and high-temperature creep resistance, with a significant increase in performance metrics at temperatures above 1300°C [3][4]. Group 3: Company Background - Hunan Boxiang New Materials Co., Ltd. was established in November 2010 and focuses on the research, production, and sales of silicon carbide fibers and composite materials, positioning itself as a leader in the field in China [5][6]. - Hunan Zerui New Materials Co., Ltd. is the only high-tech enterprise in China that has achieved the industrialization of silicon carbide fibers through doping methods, with a fully autonomous production line [5][6].