Methods
Tensile Testing
- "The material ends are gripped in self-clamping jaws, such as split cylinders, around which the textile form is wrapped in a way that minimizes end-effects."
- Note that ultimate strength can not be determined by a break at the jaws.
Tear Testing
Materials
Cloth
- See Federal Standard 191, Test Method 5134
- "Ravel-strip" method for tensile testing in one direction
Tapes and Webbings
- See Federal Standard 191, Test Method 5100
Thread
- See Federal Standard 191, Test Method 4100.1
Cords
- See Federal Standard 191, Test Method 4102
Resources
[1] Ewing, Bixby, and Knacke, Recovery Systems Design Guide