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Murray Rheology Blog

May 4, 2018

Foams have experimental limitations due to the transient changes in cell size, stability, and physical properties over the course of the measurement. Structural instabilities often ar...

April 26, 2018

Polymer melt rheology contains many specialized formulae for estimating chain molecular weight, chain length distribution, and temperature transitions. These useful relations make pol...

April 13, 2018

In Lissajous plots, these characteristics manifests themselves as ellipsoids for gels (Figure 2a) and rectangles for glasses (Figure 2b). Such a strong difference in the large strain...

April 5, 2018

Not all gels have bonds or entanglements to hold them together. Colloidal gels are made through a high density of particles in a fluid medium that behaves rheologically as a solid ins...

March 30, 2018

If there are enough hydrogen bonding sites to reach the effective gel point, gelation can be observed through increased elastic modulus in an oscillatory test or a double relaxation p...

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