Yield Value 3
Yield Value 3 :
The yield value (commonly called yield point) is the resistance to initial flow, or represents the stress required to start fluid movement. This resistance is due to electrical charges located on or near the surfaces of the particles. The values of the yield point and thixotropy, respectively, are measurements of the same fluid propreties under dynamic and static states. The Bingham yield value, reported in lb/100 sq ft, is determined using the directindicating viscometer by subtracting the plastic viscosity from the 300 rpm reading. (Bul D11)
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