Abstract
Abstract
This work aimed to study the tribological behavior of films composed of mixtures of nanofibrillated cellulose (NFC) and microcrystalline cellulose (MCC) at different concentrations. A micro-abrasive wear resistance analysis is presented as part of the tribological properties. Tribological behavior was observed against wear and tear in dry conditions. Mean surface roughness (Ra) was directly influenced by MCC concentrations in films, reaching values up to three times higher at concentrations of 30% MCC compared to films without MCC. The specific wear rate (k) of the films was inversely proportional to the MCC concentrations, observing that for low concentrations of MCC (5%), the wear reduction was only 7% for films without MCC. In concentrations of 10% MCC, the wear rate reduced by 52%, but in concentrations of 30% MCC, the reduction was up to 95%. The specific wear rate obtained was favorable and comparable to films of synectic origin. This shows that NFC/MCC composites may offer tribological advantages such as reinforcement coatings on different materials.
Subject
Materials Chemistry,Surfaces, Coatings and Films,Process Chemistry and Technology,Instrumentation
Cited by
3 articles.
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