ASTM F1612 can be used to describe the effects of materials, manufacturing, and design variables on the fatigue resistance of metallic stemmed femoral components subjected to cyclic loading for a relatively large numbers of cycles. The recommended test assumes a worst case situation in which proximal support for the stem has been lost. It is also recognized that, for some materials, the environment has an effect on the response to cyclic loading. The test environment used and rationale for the choice of that environment should be described in the test report.
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Recommended Test Machine
Static and fatigue forces up to 50 kN (11,250 lbf)
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Static and fatigue forces up to 25 kN (5,500 lbf)
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Servohydraulic
Small, portable footprint
