work softening

Also contains definitions of: shear breakdown, thixotropy
https://doi.org/10.1351/goldbook.W06691
The application of a finite shear to a system after a long rest may result in a decrease of the @V06627@ or the @C01279@. If the decrease persists when the shear is discontinued, this behaviour is called work softening (or shear breakdown), whereas if the original @V06627@ or @C01279@ is recovered this behaviour is called thixotropy.
Source:
PAC, 1979, 51, 1213. (Terminology and Symbols in Colloid and Surface Chemistry Part 1.13. Definitions, Terminology and Symbols for Rheological Properties) on page 1217 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014