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采用分离式霍普金森压杆(SHPB)技术,研究了应变速率(1×10-3s-1~2500s-1)对泡沫铝力学性能和能量吸收性能的影响.结果表明:泡沫铝有较高的应变速率敏感性,随应变速率的增加,泡沫铝的屈服强度和吸能能力增加,泡沫铝的应变速率敏感性随应变、应变速率变化幅度的增加而增加.

参考文献

[1] Evans A G;Hutchinson J W·;Ashby M F· .Multifunctionality of cellular metal systems[J].Progress in Materials Science,1999,43:171-221.
[2] A.E.Simone;L.J.Gibson .Effects of solid distribution on the stiffness and strength of metallic foams[J].Acta materialia,1998(6):2139-2150.
[3] Miyoshi T;Itoh M;Mukai T .Enhancement of energy absorption in a closed-cell aluminum by the modification of cellular structures[J][J].Scripta Materialia,1999,41:1055-1060.
[4] Gibson LJ. .Mechanical behavior of metallic foams [Review][J].Annual review of materials research,2000(0):191-227.
[5] Tedesco W;Ross C A;Kufnnen S T .Strain rate effects on the compressive strength of shock-mitigating foams[J].Journal of Sound and Vibration,1993,165:376-384.
[6] Feng Y.;Zheng HW.;Zhu ZG.;Zu FQ. .The microstructure and electrical conductivity of aluminum alloy foams[J].Materials Chemistry and Physics,2003(1):196-201.
[7] 刘剑飞;王正道;胡时胜 .低阻抗多孔介质材料的SHPB实验技术[J].实验力学,1998,13:218-223.
[8] 《金属机械性能》编写组.金属机械性能[M].北京:机械工业出版社,1983
[9] Blaz L;Evangelista E .Strain rate sensitivity of hot deformed A1 and AIMgSi alloy[J].Materials Science and Engineering,1996,A207:195-201.
[10] Oosterkamp L D;Ivankovic A;Verizelos G .High strain rate properties of selected aluminum alloys[J].Materials Science and Engineering,2000,A278:225-235.
[11] Gibson L J;Ashby M F.Cellular solids: structure and properties[M].Cambridge:Cambridge University Press,1997
[12] Deshpande V S;Fleck N A .High strain rate compression behaviour of aluminum alloy foams[ J][J].International Journal of Impact Engineering,2000,24:277-298.
[13] Mukai T;Kanabashi H;Miyoshi T .Experimental study of energy absorption in a closed-celled aluminum foam under dynamic loading[J][J].Scripta Materialia,1999,40:921-927.
[14] Miltz J;Gruenbaum G .Evaluation of cushion properties of plastic foams compressive measurements[J].Polymer Engineering and Science,1981,21:1010-1014.
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