Search of the Normal Yielding NY mode, inherent to Plexiglass

- Derived on basis of Material Symmetry Facts and Cuntze’s Failure Mode Concept FMC –

From Strength Model Validation, SFCF= 1, by failure stress mapping to Strength Design Verification

For use in mechanical engineering and in civil engineering

by Prof. Dr. Ralf Cuntze

Contents

• Searching the Missing Link Normal Yielding in the Macromechanical ‘Building’

• Experience with Materials and Hints from Material Symmetry Facts

• Cuntze’s Failure-Mode-Concept (FMC), basis to derive Strength Failure Conditions (SFCs)

• Un-usual Behaviorof Plexiglass in the Tensile Domain

• Derivation FMC-based Strength Failure Condition (criterion) NY for Plexiglass (PMMA)

• NY-SFC, Application to the isotropic Plexiglass Material

Conclusions