Composite materials should seek development from improving structural efficiency, process efficiency and reducing costs. At present, the development trends of composite materials technology mainly include the following points: </p
首先，应不断开发和应用更高比强度、比模量的新型纤维，如PBO纤维、PIPD（M5）纤维、纳米纤维等。
第二，加强复合材料中纳米材料的应用，直接将一维纳米线用作增强剂，可使复合材料具有极其优异的力学性能。
目前，在装甲复合材料中，国外已开发出纳米陶瓷、碳纳米管、纳米金属氧化物等增强的聚合物装甲材料。如何使碳纳米管在聚合物中实现良好分散、拉直、取向定向、有序排列，将是纳米复合材料仍需研究的重点。
第三，应不断向功能化、结构/功能一体化和智能化、仿生化发展。
复合材料具有设计自由度大的特点，适合于向功能材料和结构/功能材料发展以及向高级形式的复合发展� It includes the development from composites at the macro level to composites at the sub-macro and micro levels, from composites that mainly realize mechanical functions to composite developments that realize electrical, magnetic, optical and acoustic functions, and further to smart and intelligent composite materials and bionic composite materials. Waiting for development �</p
第四，向低成本化方向发展，不断发展材料复合新技术。复合材料的制造成本通常为原材料20%、成型加工70%、质量控制和检测成本10%。因此降低复合材料成本的重点是成型工艺，其次是原材料成本。
The molding process should make breakthroughs in the following aspects for improvement and development:</p
首先，发展和使用RTM和树脂膜浸熔工艺（RFI），发展新的低成本的非加热固化工艺，主要有微波、电子束（EB）、超声波、紫外光等方法。
其次，发展工艺模拟技术，建立铺层、浸胶、固化等过程的模型和采用人工智能模拟，优化工艺，提高工艺参数准确性、自动化程度和制品合格率。
同时，开发一体化、自动化的成型工艺，如采用缠绕-热压罐、热压罐-RTM等组合，采用拉挤、缠绕等自动化工艺，发展自动化模压、一机多模模压等成型技术。
可采用以下方法降低原材料成本。采用大丝束碳纤维进行成型，国外已出现160K、320K碳纤维；开发低温固化、高温使用的树脂和预浸料，以降低能耗；使用混杂纤维复合材料。
此外，发展材料复合新技术。基于微观、亚微观和显微尺寸结构层次上的复合新技术是新一代复合材料发展的重点。
For example, in-situ composite technology is characterized by dispersion in the matrix during the material synthesis process and has good compatibility with the matrix and no repeated contamination; self-exothermic, self-cleaning and highly active, metastable structural products are characterized by Gradient composite technology; a gradient composite technology characterized by gradual changes in components, structures and properties; using a charge-carrying matrix to pass throughMolecular self-assembly technology characterized by the formation of layered high-density, nanoscale uniformly dispersed materials through alternating electrostatic attraction; molecular composite technology characterized by orderly accumulation relying on molecular recognition phenomena to form supramolecular structures, etc.
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