Title of article
Quantifying High-Performance Material Microstructure Using Nanomechanical Tools with Visual and Frequency Analysis
Author/Authors
Strawhecker, Kenneth E. Composites and Hybrid Materials Branch - US Army Research Laboratory - Aberdeen - MD, USA , Sandoz-Rosado, Emil Composites and Hybrid Materials Branch - US Army Research Laboratory - Aberdeen - MD, USA , Roenbeck, Michael R. Composites and Hybrid Materials Branch - US Army Research Laboratory - Aberdeen - MD, USA
Pages
13
From page
1
To page
13
Abstract
High-performancematerialslikeballisticfibershaveremarkablemechanicalpropertiesowingtospecificpatternsoforganizationrangingfromthemolecularscale,tothemicroscaleandmacroscale.Understandingthesestrategiesformaterialorganizationiscriticaltoimprovingthemechanicalpropertiesofthesehigh-performancematerials.Inthiswork,atomicforcemicroscopy(AFM)wasusedtodetectchangesinmaterialcompositionatanextremelyhighresolutionwithtransverse-stiffnessscanning.Newmethodsfordirectquantificationofmaterialmorphologyweredeveloped,andappliedasanexampletotheseAFMscans,althoughthesemethodscanbeappliedtoanyspatially-resolvedscans.Thesetechniqueswereusedtodelineatebetweensubtlemorphologicaldifferencesincommercialultra-high-molecular-weightpolyethylene(UHMWPE)fibersthathavedifferentprocessingconditionsandmechanicalpropertiesaswellasquantifymorphologyincommercialKevlar®,ahigh-performancematerialwithanentirelydifferentorganizationstrategy.Bothfrequencyanalysisandvisualprocessingmethodswereusedtosystematicallyquantifythemicrostructureofthefibersamplesinthisstudy.Thesetechniquesarethefirststepinestablishingstructure-propertyrelationshipsthatcanbeusedtoinformsynthesisandprocessingtechniquestoachievedesiredmorphologies,andthussuperiormechanicalperformance.
Keywords
Quantifying , High-Performance Material Microstructure , Nanomechanical Tools , Visual and Frequency Analysis , AFM , UHMWPE
Journal title
Scanning
Serial Year
2018
Record number
2613603
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