Atomic force microscopy (AFM) is a versatile tool to perform mechanical characterization of surface samples at the nanoscale. In this work, we review two of such methods, namely contact resonance AFM (CR-AFM) and torsional harmonics AFM (TH-AFM). First, such techniques are illustrated and their applicability on materials with elastic moduli in different ranges are discussed, together with their main advantages and limitations. Then, a case study is presented in which we report the mechanical characterization using both CR-AFM and TH-AFM of polyaniline and polyaniniline doped with nanodiamond particles tablets prepared by a pressing process. We determined the indentation modulus values of their surfaces, which were found in fairly good agreement, thus demonstrating the accuracy of the techniques. Finally, the determined surface elastic moduli have been compared with the bulk ones measured through standard indentation testing

Atomic force microscopy techniques for nanomechanical characterization: a polymeric case study / Reggente, Melania; Rossi, Marco; Angeloni, Livia; Tamburri, Emanuela; Lucci, Massimiliano; Davoli, Ivan; Terranova, Maria Letizia; Passeri, Daniele. - In: JOM. - ISSN 1047-4838. - STAMPA. - 67:4(2015), pp. 849-857. [10.1007/s11837-015-1340-9]

Atomic force microscopy techniques for nanomechanical characterization: a polymeric case study

REGGENTE, MELANIA
Primo
;
ROSSI, Marco
Secondo
;
ANGELONI, LIVIA;TAMBURRI, EMANUELA;PASSERI, Daniele
Ultimo
2015

Abstract

Atomic force microscopy (AFM) is a versatile tool to perform mechanical characterization of surface samples at the nanoscale. In this work, we review two of such methods, namely contact resonance AFM (CR-AFM) and torsional harmonics AFM (TH-AFM). First, such techniques are illustrated and their applicability on materials with elastic moduli in different ranges are discussed, together with their main advantages and limitations. Then, a case study is presented in which we report the mechanical characterization using both CR-AFM and TH-AFM of polyaniline and polyaniniline doped with nanodiamond particles tablets prepared by a pressing process. We determined the indentation modulus values of their surfaces, which were found in fairly good agreement, thus demonstrating the accuracy of the techniques. Finally, the determined surface elastic moduli have been compared with the bulk ones measured through standard indentation testing
Engineering (all); Materials Science (all)
01 Pubblicazione su rivista::01a Articolo in rivista
Atomic force microscopy techniques for nanomechanical characterization: a polymeric case study / Reggente, Melania; Rossi, Marco; Angeloni, Livia; Tamburri, Emanuela; Lucci, Massimiliano; Davoli, Ivan; Terranova, Maria Letizia; Passeri, Daniele. - In: JOM. - ISSN 1047-4838. - STAMPA. - 67:4(2015), pp. 849-857. [10.1007/s11837-015-1340-9]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/839863
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