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Standard Practice for Gravimetric Measurement of Polymeric Components for Wear Assessment
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Standard number:
ASTM F2025-06R25
Released:
01.08.2025
Status:
Active
Pages:
7
Section:
13.01
Keywords:
gravimetric method; hip wear; knee wear; weight loss method;
ASTM number:
ASTM F2025
Supersedes:
F2025-06R18
DESCRIPTION
1.1 This practice describes a laboratory method using a weight loss (that is, mass loss; see X1.4) technique for evaluating the wear properties of polymeric materials or devices which are being considered for use as bearing surfaces of human joint replacement prostheses. The test specimens are evaluated in a device intended to simulate the tribological conditions encountered in the human joint; for example, use of a fluid such as bovine serum, or equivalent pseudosynovial fluid shown to simulate similar wear mechanisms and debris generation found in vivo.
1.2This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.