Oxidation hardening kinetics of the rheological function G'/('/G') in asphalts
Type
ArticleKAUST Department
Analytical Chemistry Core LabAnalytical Core Lab
Core Labs
Date
2011-07-29Permanent link to this record
http://hdl.handle.net/10754/561823
Metadata
Show full item recordAbstract
The authors used 9 asphalts oxidized at various temperatures and pressures to determine the hardening kinetics for the DSR function, an easily measured and meaningful surrogate for 15C ductility that relates well to age-related binder deterioration. For each asphalt, there is a rapid initial period that slows to a constant rate period. This constant rate period can be represented by carbonyl formation (oxidation) rate times a hardening susceptibility (HS). For the DSR function and viscosity, the HS and initial jump were pressure-but not temperature-dependent. The DSR function initial jump was relatively higher than the viscosity initial jump. © 2011 Taylor & Francis Group, LLC.Citation
Juristyarini, P., Davison, R., & Glover, C. J. (2011). Oxidation Hardening Kinetics of the Rheological FunctionG′/(η′/G′) in Asphalts. Petroleum Science and Technology, 29(19), 2027–2036. doi:10.1080/10916461003681760Sponsors
Support for this work provided by the Texas Department of Transportation (TxDOT), Mr. Jerry Peterson, Project director, in cooperation with the Federal Highway Administration (FHWA), is greatly appreciate.Publisher
Informa UK LimitedJournal
Petroleum Science and Technologyae974a485f413a2113503eed53cd6c53
10.1080/10916461003681760