自愈合材料.pdf

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1、ARTICLEINPRESSProg.Polym.Sci.33(2008)479–522www.elsevier.com/locate/ppolysciSelf-healingpolymericmaterials:AreviewofrecentdevelopmentsDongYangWu,SamMeure,DavidSolomonCSIROManufacturingandMaterialsTechnology,Gate5,NormanbyRoad,ClaytonSouth,Victoria3168,Melbourne,AustraliaReceived17June2007;rece

2、ivedinrevisedform30January2008;accepted18February2008Availableonline4March2008AbstractThedevelopmentandcharacterizationofself-healingsyntheticpolymericmaterialshavebeeninspiredbybiologicalsystemsinwhichdamagetriggersanautonomichealingresponse.Thisisanemergingandfascinatingareaofresearchthatcoul

3、dsignificantlyextendtheworkinglifeandsafetyofthepolymericcomponentsforabroadrangeofapplications.Anoverviewofvariousself-healingconceptsforpolymericmaterialspublishedoverthelast15yearsispresentedinthispaper.Fracturemechanicsofpolymericmaterialsandtraditionalmethodsofrepairingdamagesinthesemateria

4、lsaredescribedtoprovidecontextforthetopic.Thispaperalsoexaminesthedifferentapproachesproposedtoprepareandcharacterizetheself-healingsystems,thedifferentmethodsforevaluatingself-healingefficiencies,andtheapplicabilityoftheseconceptstocompositesandstructuralcomponents.Finally,thechallengesandfutur

5、eresearchopportunitiesarehighlighted.CrownCopyrightr2008PublishedbyElsevierLtd.Allrightsreserved.Keywords:Polymericmaterials;Self-healing;Compositerepair;BiomimeticrepairContents1.Introduction.....................................................................4802.Fracturemechanicsofpolymericm

6、aterials................................................4833.Traditionalrepairmethodsforpolymericmaterials..........................................4853.1.Repairofadvancedcomposites...................................................4853.1.1.Welding...............................................

7、................4853.1.2.Patching..............................................................4853.1.3.In-situcuringofnewresin..................................................4853.2.Repairofthermoplastics........................