光纤网络用于检测复合材料结构状态的实验研究

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2022-04-26

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1),2)(,411105):,,:;;;;;:TG115.28:A:100026656(2001)0420150204EXPERIMENTALSTUDYONTESTINGTHESTRUCTURALSTATEOFCOMPOSITEWITHFIBER2OPTICARRAYYANGJian2liang1),GUOZhao2hua2)(XiangtanUniversity,Xiangtan411105,China)Abstract:Anovelnondestructivetestingmethodforthestructuralstateofcompositewithopticalfibersensorswaspresented.Twotypesofsimplefiber2opticsensornetworksembeddedinthelaminatedcompositematerialstructuresofverticaltail2wingofplanewereusedtotestthestrain,stressandthedamagecausedbyexternalimpact.Experimentalre2sultsshowedthefeasibilityofthemethod.Keywords:Fiber2opticsensor;Composite;Nondestructivetesting;Strain;Stress;Impactdamage,(Smartmaterialandstructure)[1,2](/),:2000203202:;1)2)1,,;,,,,(1,2),,,,[3];(3)[4,5],105123420014NDTVol.23No.4Apr.2001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2(a)(b)3;(3b),24,(2),[0/+45/F0,90/-45/90/0/90/0/+45/-45/+45/-45/0/0/-45/+45/-45/+45/0/90/0/90/-45/+45/0],(F,,2,)[1],,,,,;+45-45,090,(4)[+45/-45/90/F0/90/F45/0/F90/0/0/+45/-45/+45/-45/0/0/-45/+45/-45/+45/0/0/0/90/90/-45/+45](0,45,90,)(),,,,,,,24,18(11),18C,,;,,,24151:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved./()200mm100mm3.3mm,150mm60mm,44(62.5/125m),0905020mm(2)/200mm200mm,150mm150mm,4(0)5(45)4(90)(4x,y50mm),62.5/125m,15min(25.5m);60;0.51.5mm,2,4(xy),5LD,,(),,5(6),,(),,,,,,3(a)(b)61121,,,,(7)6kg,40mm,/200mm200mm,,,(),8,(15J)7251:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1J1131)123456789101112132.981111111111111-5.881111111111111-8.821111111111111-11.761011111111011-14.70100111011100117.640001100111001:1)1;0,862.5/125m,60,015115m,,,,,,,,,,23J,,,(4)1,,11.76J,(14.70J),,;,,17.64J,,,(),(4)2,,,,,4,,(2),,,3%,,,,,,2(0)/MPa(90)/MPa131861281884181271383165(173)351:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.12.2,,(2),(),,2810,,(),,,,2mm;L4L2,1.8mm;L1L4,L2L31mm3(,L1,L4AB)1V,100mV,4dB1dB(),,,,,25mm1mm,,,,(153),,,,,,,,,,,,,,,,,650!:[1]MeasureRM.Advancestowardfiberopticbasedsmartstructures[J].OpticEngineering,1992,31(1):34-47.[2],,.[J].,1998,28(2):189-197.[3]ClaudeJ,LecoyP.Opticalsensorembeddedincompositematerials[J].SPIE,1588:210-217.[4],,,.[J].,1997,29(2):248-251.[5]VaziriM,ChenCL.Optical2fiberstrainsensorswithasymmetricetchedstructures[J].AppliedOptics,1993,32(31):6399-6406.371:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.