【摘 要】
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Carbon fiber-reinforced metal laminate(FMLs)is currently the growing trend in lightweight protective structure design in the military and aerospace fields[1
【机 构】
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StateKeyLaboratoryofExplosionScienceandTechnology,BeijingInstituteofTechnology,Beijing100081,China
【出 处】
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第五届爆炸、冲击波和高应变率现象国际研讨会(International Workshop on Explosion, S
论文部分内容阅读
Carbon fiber-reinforced metal laminate(FMLs)is currently the growing trend in lightweight protective structure design in the military and aerospace fields[1].A new type of carbon-fiber-reinforced aluminum alloy laminates(CRALL)was designed in this study for high speed impact protection of intercontinental missiles and spacecrafts.In this study,the mechanical properties in 0 ° and 90 ° direction of the unidirectional carbon fiber(CFRP)were obtained through the material test.The tensile energy to break of the CFRP,Al2024-T3 aluminum alloy and CRALL were compared in Fig.1(a).Results showed that,CRALL is a strain rate sensitive material and exhibits significant ductility[2,3],especially under high strain rate tensile impact.The deformation energy of CRALL 3/2 before rupture is less than CFRP and Al 2024-T3 at quasi state rate,but much larger than both when reached strain rate 600 s-1.
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