Perfectly plastic solid

Alternative definitions (1), class: vernacular (0)
Term: Perfectly plastic solid
Definition: A solid that does not deform until it reaches a critical value of stress, after which it will yield infinitely. Some glaciologists say that ice is a perfectly plastic substance. That is, brittle and capable of cracking like a solid, yet deformable and capable of flowing at other stresses.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary