This chapter contains sections titled:

• Kawakita Equation

• Kelvin Equation

• Kelvin Model—See Viscoelastic Model for Powder–Polymer Mixtures

• K-Factor

• Kingery Intermediate-stage Liquid-phase Sintering Model—See Intermediate-stage Liquid-phase Sintering Model

• Kingery Model for Pressure-assisted Liquid-phase Sintering—See Pressure-assisted Liquid-phase Sintering

• Kingery Rearrangement Shrinkage Kinetics—See Rearrangement Kinetics in Initial-stage Liquid-phase Sintering

• Kissinger Method

• Knoop Hardness

• Knudsen Diffusion—See Vapor Mean Free Path

• Kozeny–Carman Equation

• Kuczynski Neck-growth Model