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Article overview
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Effect of externally deposited nanoscale heterogeneities in thin polymer films on their adhesion behavior | Chiranjit Majhi
; Bidisha Bhatt
; Shivam Gupta
; Krishnacharya Khare
; | Date: |
4 Jan 2023 | Abstract: | Adhesion between two surfaces depend on the chemical and the mechanical
properties of both the materials. However, heterogeneities (surface or bulk)
affect the adhesion between the two surfaces tremendously. In this work, we
study the role of externally deposited nanoscale heterogeneities on their
adhesion behavior. Silica nanoparticles in the bulk polydimethylsiloxane (PDMS)
polymer matrix act as external heterogeneities, which subsequently affect their
adhesion. The nanoscale heterogeneities change the polymer environment locally,
which subsequently modify its mechanical properties, e.g. elastic modulus, as a
result, it affects its adhesion behavior. We observe that the adhesion behavior
vary in nonlinear manner with increasing nanoparticle concentration. Therefore,
probing these heterogeneities may allow us to understand the emergence of
processing-induced deviations and the role of external defects in the
macroscopic properties of a polymer. | Source: | arXiv, 2301.01627 | Services: | Forum | Review | PDF | Favorites |
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