83.00.00 Rheology (see also section 47 Fluid dynamics; for rheology of the Earth, see 91.32.-m; see also 87.19.rh Fluid transport and rheology in biological physics)
83.80.-k Material type (see also 82.70.-y Disperse systems; complex fluids and 82.35.-x Polymers: properties; reactions; polymerization in physical chemistry and chemical physics)
83.85.-c Techniques and apparatus
83.90.+s Other topics in rheology (restricted to new topics in section 83)