Effects of mechanical strength, working temperature and wax lubricant on tribological behavior of polystyrene
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Nay Win Khun
Abstract
The tribological properties of polystyrene (PS) samples with different mechanical strengths were systematically investigated. The friction of the PS samples tested against a 6 mm steel ball significantly increased with increased working temperature from room temperature (RT) to glass transition temperature (Tg)+20°C, while their wear apparently decreased. The harder PS samples exhibited lower friction and wear for all working temperatures. Lubricating the PS samples with wax lubricant at RT resulted in much lower friction and wear compared to those of the ones tested dry, because the wax lubricant effectively lubricated the rubbing surfaces. Addition of soda lime glass microspheres into the wax lubricant slightly lowered the friction of the PS samples with lower hardness compared to that of the same ones lubricated without the microspheres, due to the reduced direct contact between two rubbing surfaces and the free-rolling effect of the microspheres.
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©2016 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original articles
- Prolonged protein immobilization of biosensor by chemically cross-linked glutaraldehyde on mixed cellulose membrane
- Hybrid biocomposites from agricultural residues: mechanical, water absorption and tribological behaviors
- Effects of nucleation and stereocomplex formation of poly(lactic acid)
- Preparation and characterization of polystyrene-MgAl layered double hydroxide nanocomposites using bulk polymerization
- Fracture behavior and deformation mechanisms of polypropylene/ethylene-propylene-diene blends
- Effect of mechanical properties of metal powder-filled hybrid moulded products
- Ablation and thermo-mechanical tailoring of EPDM rubber using carbon fibers
- Effects of mechanical strength, working temperature and wax lubricant on tribological behavior of polystyrene
- Temperature rise in a verging annular die
- Numerical investigation of the temperature influence on the melt predistribution in a spiral mandrel die with different polyolefins
Articles in the same Issue
- Frontmatter
- Original articles
- Prolonged protein immobilization of biosensor by chemically cross-linked glutaraldehyde on mixed cellulose membrane
- Hybrid biocomposites from agricultural residues: mechanical, water absorption and tribological behaviors
- Effects of nucleation and stereocomplex formation of poly(lactic acid)
- Preparation and characterization of polystyrene-MgAl layered double hydroxide nanocomposites using bulk polymerization
- Fracture behavior and deformation mechanisms of polypropylene/ethylene-propylene-diene blends
- Effect of mechanical properties of metal powder-filled hybrid moulded products
- Ablation and thermo-mechanical tailoring of EPDM rubber using carbon fibers
- Effects of mechanical strength, working temperature and wax lubricant on tribological behavior of polystyrene
- Temperature rise in a verging annular die
- Numerical investigation of the temperature influence on the melt predistribution in a spiral mandrel die with different polyolefins
