Please use this identifier to cite or link to this item: https://doi.org/10.1021/la202763r
Title: Identifying the mechanisms of polymer friction through molecular dynamics simulation
Authors: Dai, L. 
Minn, M. 
Satyanarayana, N. 
Sinha, S.K. 
Tan, V.B.C. 
Issue Date: 20-Dec-2011
Source: Dai, L.,Minn, M.,Satyanarayana, N.,Sinha, S.K.,Tan, V.B.C. (2011-12-20). Identifying the mechanisms of polymer friction through molecular dynamics simulation. Langmuir 27 (24) : 14861-14867. ScholarBank@NUS Repository. https://doi.org/10.1021/la202763r
Abstract: Mechanisms governing the tribological behavior of polymer-on-polymer sliding were investigated by molecular dynamics simulations. Three main mechanisms governing frictional behavior were identified. Interfacial "brushing" of molecular chain ends over one another was observed as the key contribution to frictional forces. With an increase of the sliding speed, fluctuations in frictional forces reduced in both magnitude and periodicity, leading to dynamic frictional behavior. While "brushing" remained prevalent, two additional irreversible mechanisms, "combing" and "chain scission", of molecular chains were observed when the interfaces were significantly diffused. © 2011 American Chemical Society.
Source Title: Langmuir
URI: http://scholarbank.nus.edu.sg/handle/10635/60479
ISSN: 07437463
DOI: 10.1021/la202763r
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