点击 最 下方 关注《材料汇》 ， 点击"在看"和" "并分享 添加 小编微信 ，遇见 志同道合 的你 特别福利 （欢迎加入 材料汇商业航天交流群，并记住加小编微信 ） 延伸阅读 深度｜商业航天新材料全景图：新材料企业的机遇与投资逻辑（附20+报告） 从碳纤维到不锈钢：可回收火箭材料选型变革，揭秘97%降本核心 从价值链到落地：新材料企业切入商业航天的低风险路径 正文 核心观点 陶瓷基复合材料高温性能优异，可广泛应用于商业航天、航空、核电、汽车等领域，市场空间广阔。整体来看，我国在刹车、飞行器防热领 域领跑，但在航空发动机领域还较为落后。 我国CMC产业链环节相对完善，但第三代SiC纤维的生产以及CMC 在航发上的应用与国外差距较大， 2024年我国航发产业对CMC的需求或 已出现拐点 。应用验证阶段对于上游原材料有较大需求，进入小批量交付以及批产阶段后上游环节有望率先启动。随着CMC 制备技术的优 化、上游纤维成本的降低、应用成熟度的提高，中游CMC 零部件制造企业有望迎来高速发展期。 内容摘要 一、陶瓷基复合材料高温性能优异， SiCf/SiC是近年研究的热点 陶瓷基复合材料（CMC）是指在陶瓷基体中引入 ...

Core Viewpoint - Ceramic matrix composites (CMC) exhibit excellent high-temperature performance and have broad applications in aerospace, nuclear power, and automotive industries, with significant market potential. China leads in brake and thermal protection for aircraft but lags in aerospace engine applications. The demand for CMC in China's aerospace industry may reach a turning point in 2024, driven by advancements in production technology and cost reductions [2][9]. Group 1: CMC Characteristics and Applications - CMCs are defined as composites that incorporate reinforcing materials into a ceramic matrix, resulting in superior properties such as high-temperature resistance, low density, and high strength [4][18]. - SiCf/SiC composites are ideal materials for the hot sections of aerospace engines, already in mass production for static components, with ongoing exploration for rotating parts [5][24]. - In the nuclear sector, SiCf/SiC composites are considered ideal candidates for reactor components due to their high melting point, thermal conductivity, and stability under neutron irradiation [42]. - Cf/SiC composites are widely used in aerospace for thermal protection and satellite mirrors, effectively addressing the thermal protection and weight reduction needs of hypersonic vehicles [46][49]. - CMCs are emerging as the preferred choice for high-performance brake materials, already in mass production for automotive and aviation applications [53][54]. Group 2: Market Growth and Trends - The global CMC market was valued at $11.9 billion in 2022 and is projected to grow at a CAGR of 10.5%, reaching $21.6 billion by 2028, with the highest market share in defense and aerospace [6]. - The demand for CMCs in the aerospace sector is expected to surge, particularly for SiCf/SiC materials, as they can withstand temperatures exceeding 2000K, significantly improving engine efficiency and reducing nitrogen oxide emissions [27][30]. Group 3: CMC Production and Industry Landscape - The production of CMC components involves complex processes with high barriers to entry, including fiber preparation, preform weaving, interface layer preparation, matrix densification, and machining [7][8]. - GE has established a vertically integrated CMC supply chain, producing 20 tons of CMC prepreg and 10 tons of SiC fibers annually, with a tenfold increase in CMC component production expected over the next decade [8][39]. - China's CMC industry has developed a relatively complete supply chain, with advancements in the production of second-generation SiC fibers and ongoing efforts to achieve industrial-scale production of third-generation fibers [9][12]. Group 4: Investment Opportunities - The anticipated turning point in demand for CMCs in China's aerospace industry in 2024 presents significant growth potential for related companies, particularly as production costs decrease and application maturity increases [13]. - The verification phase for SiCf/SiC applications will drive demand for upstream raw materials, with the potential for rapid growth in midstream CMC component manufacturing as production scales up [13].

Core Viewpoint - Ceramic matrix composites (CMCs) exhibit excellent high-temperature performance and have broad applications in aerospace, nuclear power, and automotive industries, with significant market potential. China leads in brake and thermal protection for aircraft but lags in aerospace engine applications. The demand for CMCs in China's aerospace industry may reach a turning point in 2024, driven by advancements in production technology and cost reductions [2][12]. Group 1: CMC Characteristics and Applications - CMCs are defined as composites that incorporate reinforcing materials into a ceramic matrix, resulting in superior properties such as high-temperature resistance, low density, and high strength [3][19]. - SiCf/SiC composites are a research focus due to their excellent oxidation resistance and longevity, making them ideal for aerospace engine applications [4][26]. - CMCs are increasingly recognized as strategic materials for next-generation aerospace engines, capable of withstanding temperatures significantly higher than traditional nickel-based superalloys [29][33]. Group 2: Market Growth and Demand - The global CMC market was valued at $11.9 billion in 2022 and is projected to grow at a CAGR of 10.5%, reaching $21.6 billion by 2028, with the highest market share in defense and aerospace sectors [5]. - The demand for CMCs in the aerospace sector is expected to surge, particularly for components like combustion chambers and turbine blades, as countries strive for higher engine efficiency and reduced emissions [32][40]. Group 3: CMC Production and Industry Landscape - The production of CMCs involves complex processes with high barriers to entry, including fiber preparation, preform weaving, interface layer preparation, and matrix densification [6][7]. - General Electric (GE) has established a vertically integrated CMC supply chain, significantly increasing production capacity and demonstrating successful applications in various engine components [6][40][41]. - China's CMC industry has developed a relatively complete supply chain, with advancements in silicon carbide fiber production and CMC applications, particularly in brake materials for aircraft [8][10][11]. Group 4: Future Investment Opportunities - The anticipated turning point in demand for CMCs in China's aerospace industry presents substantial growth potential for related companies, especially as production technologies improve and costs decrease [12][8]. - As the application of SiCf/SiC composites matures, upstream raw material demand will increase, leading to potential rapid growth for midstream CMC component manufacturers [12][10].