A molecular dynamics study on Young's modulus and tribology of carbon nanotube reinforced styrene-butadiene rubber

被引：32

作者：

Chawla, Raj ^{[1
]}

Sharma, Sumit ^{[2
,3
]}

机构：

[1] Lovely Profess Univ, Dept Mech Engn, Phagwara 144411, Punjab, India

[2] Lovely Profess Univ, Dept Mech Engn, Mat Engn, Phagwara 144411, Punjab, India

[3] Dr BR Ambedkar Natl Inst Technol Jalandhar, Dept Mech Engn, Jalandhar 144011, Punjab, India

来源：

JOURNAL OF MOLECULAR MODELING | 2018年 / 24卷 / 04期

关键词：

Styrene butadiene rubber; Carbon nanotube; Composite; Tribology; POLYMER COMPOSITES; POLYCARBONATE COMPOSITES; SIMULATION; TEMPERATURE; MECHANISM; BEHAVIOR; FIBERS;

D O I：

10.1007/s00894-018-3636-5

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Styrene-butadiene rubber is a copolymer widely used in making car tires and has excellent abrasion resistance. The Young's modulus and tribology of pure styrene butadiene rubber (SBR) polymer and carbon nanotube reinforced polymer composites have been investigated using molecular dynamics simulations. The mechanism of enhanced tribology properties using carbon nanotube has been studied and discussed. The obtained Young's modulus shows the enhancement in mechanical properties of SBR polymer when carbon nanotubes are used as reinforcement. The concentration, temperature and velocity profiles, radial distribution function, frictional stresses, and cohesive energy density are calculated and analyzed in detail. The Young's modulus of SBR matrix increases about 29.16% in the presence of the 5% CNT. The atom movement velocity and average cohesive energy density in the friction area of pure SBR matrix was found to be more than that of the CNT/SBR composite.

引用

页数：9

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