64.00.00 Equations of state, phase equilibria, and phase transitions (see also 82.60.-s Chemical thermodynamics)
- 64.10.+h General theory of equations of state and phase equilibria (see also 05.70.Ce Thermodynamic functions and equations of state)
- 64.30.-t Equations of state of specific substances (1)
- 64.60.-i General studies of phase transitions (see also 63.70.+h Statistical mechanics of lattice vibrations and displacive phase transitions; for critical phenomena in solid surfaces and interfaces, and in magnetism, see 68.35.Rh, and 75.40.-s, respectively) (1)
- 64.70.-p Specific phase transitions (2)
- 64.75.-g Phase equilibria (see also 82.60.Lf Thermodynamics of solutions; 47.51.+a Mixing in fluid dynamics; for properties of solutions of biomolecules, see 87.15.N- in biological physics)
- 64.90.+b Other topics in equations of state, phase equilibria, and phase transitions (restricted to new topics in section 64)