| The following Technical Notes have been prepared to give additional background on various aspects of plane-strain fracture toughness testing in accordance with ASTM standard test method E 1304. |
| A History of Plane-Strain Fracture Toughness Testing |
| Measuring Plane-Strain Fracture Toughness Using Short Rod Specimens |
| Advantages of the Short Rod Test Method |
| Do KIv and KIc Measure the Same Material Property? |
| Through-Thickness Toughness Variations in Aluminum Plates |
| Summary of Comparative Test Results (KIv vs KIc) in Aluminum Alloys |