Sliding Friction of Polymers

Bikerman, J. J.

doi:10.1080/15583727408546021

Cited by 13 publications

(4 citation statements)

References 39 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The coefficient of friction in the orthogonal cutting of polymers can be described as a power curve giving a reduced friction coefficient as the normal force on the tool face increases. This is in agreement with Bikerman's (1974) observations on polymer friction.…”

Section: Discussionsupporting

confidence: 93%

“…The' results reported by Bahadur and Ludema (1971) for polyethylene, polypropylene and' copolymers suggested a strong connection between A, Sand F, and hence by: implication support the adhesion theory. Bikerman (1974), suggested that the adhesion theory is in error and that the deformation theory of polymer friction is the most probable mechanism. The volume deformed significantly by a moving slider may be expressed as the product WdL; where W is the width of the disturbed material, d is its depth and L is the length of sliding.…”

Section: Polymer Friction In Orthogonal Cuttingmentioning

confidence: 98%

See 1 more Smart Citation

Critical rake angle and cutting forces prediction in the orthogonal cutting of polymers

Gindy

1988

International Journal of Production Research

View full text Add to dashboard Cite

An experimental investigation has been carried out into the machining of polymers which exhibit both anisotropic and normal stress sensitive characteristics. The cutting mechanism is analysed using a modified shear angle relationship based on the mechanical properties of the chosen polymers and the minimum energy criterion. From cutting tests,the material shear stress is estimated and hencecutting forces calculated. The presence of a critical rake angle at which the normal force equals zero has been confirmed. The value of critical rake angle can be estimated from forcepredictions.The coefficient of frictionfor polymerswasfound to decrease with increasing the normal force on the tool rake face.

show abstract

Section: Discussionsupporting

confidence: 93%

Section: Polymer Friction In Orthogonal Cuttingmentioning

confidence: 98%

Critical rake angle and cutting forces prediction in the orthogonal cutting of polymers

Gindy

1988

International Journal of Production Research

View full text Add to dashboard Cite

show abstract

“…Another study measured µ for epoxidized soybean oil, which was around 0.11 under dry conditions [48]. Resistance to sliding depends on the surface morphology of the polymer, and, in many instances, this morphology is affected by sliding [57]. Optical microscopy images in Figure 8 represent the wear of coating after the test.…”

Section: Sliding Frictionmentioning

confidence: 99%

“…Optical microscopy images in Figure 8 represent the wear of coating after the test. When a hard slider is pressed into a soft polymer, the surface is extended [57]. Thereby, indentations were formed in the RL and RL_G5 coatings.…”

Section: Sliding Frictionmentioning

confidence: 99%

Tailored Biobased Resins from Acrylated Vegetable Oils for Application in Wood Coatings

et al. 2023

View full text Add to dashboard Cite

The modern coating market is dominated by acrylic, polyurethane, and polyester polymer resins produced from unsustainable fossil resources. Herein, we propose the preparation of resins from biobased components to produce functional and solvent-free wood coatings with enhanced performance properties. Acrylated rapeseed, linseed, and grapeseed oils were prepared via a one-step synthesis and used as a basis for the control of resin viscosity and fatty acid content. A combination of vegetable oil acrylates was used as a matrix and the biobased monomer propoxylated glycerol triacrylate (GPT) was selected to tailor the properties of the UV crosslinked network. During polymerization, the GPT monomer induced a two-phase microstructure as indicated by an SEM analysis. The possibility of generating a tailored microstructure in the final material was examined in this study. The addition of GPT increased the storage modulus by up to five-fold, crosslink density by up to two-fold at 20 °C, and glass transition temperature by up to 10.2 °C. Pull-off adhesion tests showed a strength of 1.21 MPa. In addition, the photo-oxidation effect on samples, i.e., aging, was assessed with microhardness, sliding friction, and optical microscopy. Coatings showed a microhardness value up to 250 MPa, while a coefficient of friction (μ) was in the range of 0.21 to 0.88.

show abstract

Longitudinal growth of polymer crystals from flowing solutions. XI. The friction with the rotor surface

Torfs

Pennings

1983

J of Applied Polymer Sci

View full text Add to dashboard Cite

SynopsisDuring the formation of ultrahigh modulus fibers by the "surface-growth process," the takeup stress is the main limiting factor lowering the attainable takeup speeds. This paper presents an investigation into the relative importance of the various factors contributing to takeup force and stress. Equations for force and stress have been derived which appear to agree with measurements. It has been concluded that the major part of the stress stems from the friction with the rotor surface and a smaller contribution arises from the coil deformation due to the flow. The equation for the stress has been employed to compute the maximum takeup speed.

show abstract

Sliding Friction of Polymers

Cited by 13 publications

References 39 publications

Critical rake angle and cutting forces prediction in the orthogonal cutting of polymers

Critical rake angle and cutting forces prediction in the orthogonal cutting of polymers

Tailored Biobased Resins from Acrylated Vegetable Oils for Application in Wood Coatings

Longitudinal growth of polymer crystals from flowing solutions. XI. The friction with the rotor surface

Contact Info

Product

Resources

About