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综述了用无铅弹道改良剂的研究进展。介绍了国外用碳纤维改善推进剂燃烧性能的研究，探讨了碳纤维燃速催化剂对双基推进剂燃速特征的影响。研究表明，碳纤维是推进剂有效的弹道改良剂，含碳纤维的浇注双基推进剂是一种低毒性、钝感、少烟的低特征信号推进剂。
The research progress of lead-free ballistic modifier is reviewed. The foreign research on improving the combustion performance of propellants by using carbon fiber is introduced. The effects of carbon fiber combustion rate on the burning rate characteristics of double base propellants are also discussed. Studies have shown that carbon fiber is an effective ballistic modifier for propellants. Pouring double-base propellants containing carbon fibers is a low-profile signal propellant with low toxicity, insensitivity, and low smoke.