This is an introduction to a case study of lubricant analysis by a specialist in analysis. This time, we will clarify the shear rate and temperature dependence of frictional behavior using a rheometer.
Measurement capabilities offered by TA Instruments
☆ Thermal analysis / glass transition, crystallization, thermogravimetric analysis, curing reactions, expansion rate, thermal conductivity, shrinkage rate, effects of moisture, etc.
☆ Viscoelastic measurements (rheology, rheometers) / viscoelasticity, elastic modulus, viscosity, stress relaxation, creep, master curves, residual strain, molecular weight, molecular weight distribution, etc.
☆ Microcalorimetry / intermolecular interactions, crystallization, amorphousness, aggregation/precipitation, dispersibility, solubility, compatibility, wettability, stability, adsorption, etc.
☆ Fatigue testing / tensile strength, temperature dependence, viscoelasticity, elastic modulus, viscosity, stress relaxation, creep, master curves, residual strain, etc.