蜘蛛丝Ⅰ：超级力学性能

1I117..\\..1.||.201234(3)88-912.||.201133(3)87-903.,20138174..1995I1)(,100191),...IIIII.doi10.6052/1000-0879-13-3601.......\.\\.\\..\...4¹m(1).\\N..14¹m[1]2013{08{2912013{10{24.1)E-mail:[e-mail]11820143621.65..21.65()2?.3....3[2]E¾b()maxak1.1[3].1E¾bmaxakE/GPa¾b/MPamaxak/(MJ¢m¡3)1011000.271600.0035002.715020015000.00860.001508.510014(a)[3].WFN=0:5W=sinµ.cosµ=1=(1+).14max=0:27()2.7()0.008()8.5()FN=W=0:811()0.528()3.977()0.503().42.24(a)1410.6980.2780.073.4(b)..1.4(a)4(b).4(c)...65%...1I1194(a)(b)(c)()()3[3].30[3]0/sE/GPa¾b/GPamaxak/(MJ¢m¡3)0.00059.86500.24910.0028.97200.241060.02420.511200.2715820»5025»402000»400020»50500»10003(0.0005s¡1,)1.320»50s¡11000.024s¡111s30s¡10.02s.()11s..0.1W/mK[1]3.9%348.7§33.4W/mK19.7%415.9§33.0W/mK.(401W/mK)..3\[4-5][6-7].II.1HuangX,LiuG,WangX.Newsecretofspidersilk:excep-tionallyhighthermalconductivityanditsabnormalchangeunderstretching.AdvancedMaterials,2012,24(11):1482-14862SwansonBO,BlackledgeTA,HayashiCY.Spidercapturesilk:performanceimplicationsofvariationinanexcep-tionalbiomaterial.JournalofExperimentalZoology,2007,307(11):654-6663GoslineJM,GuerettePA,OrleppCS,etal.Themechani-caldesignofspidersilk:from¯broinsequencetomechan-icalfunction.TheJournalofExperimentalBiology,1999,202(23):3295-33034ArmonS,EfratiE,KupfermanR,etal.Geometryandme-chanicsintheopeningofchiralseedpods.Science,2011,333(6050):1726-17295..201234(4)92-946GerbodeSJ,PuzeyJR,McCormickAGLetal.Howthecucumbertendrilcoilsandoverwinds.Science,2012,337(6098):1087-10917.II.201335(3)99-102