Contents Chapter 5: Theory Documentation | 5.3. Failure Analysis | 5.3.4. Failure Criteria for Reinforced Materials | Print page 5.3.4.2. Maximum Stress CriterionIn the maximum stress criterion, the ratios of the actual stresses to the failure stresses are compared in the ply principal coordinate system. Thus, the failure criterion function is(5–37)where: « 5.3.4.1. Maximum Strain Criterion 5.3.4.3. Quadratic Failure Criteria »