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RISModeling Polysiloxane Volume and Viscosity Variations With Molecular Structure and Thermodynamic State
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Siloxanebased polymers (polysiloxanes) exhibit a range of volume, viscosity, and pressureviscosity behaviors that are strongly influenced by the macromolecular structure. In this report, a combination of extant rheological ...
Correlation of Polysiloxane Molecular Structure to Shear Thinning Power Law Exponent Using Elastohydrodynamic Film Thickness Measurements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Siloxanebased polymers (polysiloxanes) are susceptible to temporary shearthinning that manifests as a reduction of elastohydrodynamic film thickness with increasing entrainment speed or effective shear rate. The departure ...
Investigation of Shear-Thinning Behavior on Film Thickness and Friction Coefficient of Polyalphaolefin Base Fluids With Varying Olefin Copolymer Content
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the rheological properties, elastohydrodynamic (EHD) film-forming capability, and friction coefficients of low molecular mass poly-α-olefin (PAO) base stocks with varying contents of high molecular ...