简介：Wefirstreportafabricationtechniqueofnanoscalespecklepatternsonpolymersusingbroadionbeammilling.Theproposedtechniqueissimpleandlow-costtoproducespecklesrangingfromdozensofnanometerstolessthanthreemicrometersinalargeareaofseveralmillimeters.Randompatternsweresuccessfullyproducedwithanargon(Ar)ionbeamonthesurfacesoffourkindsofpolymers:theepoxymatrixofcarbonfiberreinforcedplastic,polyester,polyvinylformal-acetal,andpolyimide.Thespecklemorphologiesslightlyvarywithdifferentpolymers.Thefabricatedspecklepatternshavegoodtimestabilityandarepromisingtobeusedtomeasurethenanoscaledeformationsofpolymersusingthedigitalimagecorrelationmethod.
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