NDLI: Effect of Nanoclay Reinforcement on the Friction Braking Performance of Hybrid Phenolic Friction Composites

Content Provider	Springer Nature Link
Author	Singh, Tej Patnaik, Amar Satapathy, Bhabani K. Kumar, Mukesh Tomar, Bharat S.
Copyright Year	2012
Abstract	Friction composite formulation consisting of decreasing nanoclay/lapinus fibres content, increasing graphite/aramid fibres content, and master batch of phenolic/barite is designed, fabricated, and characterized for their mechanical, thermo-mechanical, and tribological studies in braking situations. A standard test protocol is adopted for evaluating braking performance. The nanoclay content (≤2.25 wt.%) enhances hardness, impact strength, storage, and loss modulus characteristics of the friction composites. Such composites exhibit higher friction stability as well as variability coefficient. However, composites with higher content of nanoclay (~2.75 wt.%) exhibit moderate level of stability coefficient and minimum variability coefficient. Fade performance improves with nanoclay content whereas friction fluctuations increase continuously with increasing nanoclay content. The disc temperature continuously rises with nanoclay contents, it becomes maximum for nanoclay content 2.75 wt.%. The same composition found to be effective in arresting temperature rise, arrests fading, improves recovery, moderate stability with minimum variability coefficient, and higher level of μ-performance hence recommended. The wear performance deteriorates with lapinus/nanoclay content and improves with the amount of aramid/graphite in the friction composites. Worn surface morphology study (using SEM) reveals the associated wear mechanisms responsible for wear of investigated composites. XRD study confirms the presence and dispersion of nanoclay with other composite ingredients.
Starting Page	796
Ending Page	805
Page Count	10
File Format	PDF
ISSN	10599495
Journal	Journal of Materials Engineering and Performance
Volume Number	22
Issue Number	3
e-ISSN	15441024
Language	English
Publisher	Springer US
Publisher Date	2012-08-11
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Brakes DMA fade friction performance recovery Characterization and Evaluation of Materials Tribology, Corrosion and Coatings Quality Control, Reliability, Safety and Risk Engineering Design
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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