ASTM F1622-95(2000) - 1.1.2000 |
1. Scope |
1.1 This test method covers the testing of stainless steel, cobalt-based, and titanium-based bone screws for the determination of torsional yield strength, maximum torque, breaking angle, and torque versus angle of rotation. The described test method is intended to be used as a means of evaluating the mechanical properties of bone screws. |