What is the main difference between a thixotropic fluid and a shear thinning pseudoplastic fluid?

The difference between rheopectic and thixotropic fluids is very similar to the difference between dilatant and pseudoplastic fluids: both are Non Newtonian fluids but while one, pseudoplastic, is shear thinning (viscosity decreases with increased stress) the other, dilatant, is shear thickening (viscosity increases …

What is pseudoplastic material?

In contrast to a Bingham fluid, a pseudoplastic fluid is a fluid that increases viscosity as force is applied. A typical example is a suspension of cornstarch in water with a concentration of one to one. This cornstarch behaves like water when no force is applied; however, it is solidified as force is applied.

What is thixotropic material?

Thixotropic materials display a viscosity that decreases with shear rate and time of shear as well. They possess a solid structure that requires time to form under high pressure (or low temperature) and that structure is disrupted by shear stress.

What is an example of a thixotropic material?

Thixotropic: Apparent viscosity for thixotropic fluids decreases with time under constant applied shear stress. Example: Crude oil, lipstick, certain paints, and Printing Ink.

What is the difference between dilatant and rheopectic?

The difference between dilatant and rheopectic materials is that rheopectic materials’ viscosity is time dependant and thus increases the longer the stress is applied [4][5], whereas dilatant materials’ viscosity increases just with an increase in stress.

What is the difference between dilatant and pseudoplastic?

An example of dilatant fluid is sand in water. On the other hand, when viscosity decreases when stress increases, the fluid is called pseudoplastic fluid.

What is the difference between plastic and pseudoplastic?

The key difference between plastic and pseudoplastic flow is that plastic flow describes the flowing behavior of a material after application of stress, whereas pseudoplastic flow exhibits the behavior of both Newtonian flow and plastic flow.

Is peanut butter thixotropic?

The microstructure of the sorbitol added peanut butter system was well-distributed and more compact. It had a higher degree of adhesion, a stronger shear resistance and anti-thixotropy.