Needs reviewLiterature-derived experiment

PTFE wear in vacuum conditions

wear testing linked to vacuum wear behavior, with source literature and related extracted records kept visible.

100%

Confidence

Literature sources

Linked simulants

Linked properties

Record profile

Measurement type

wear testing

Application

vacuum wear behavior

Primary source

Wear investigation of PTFE, PEEK and UHMWPE-based reciprocating shaft seal materials with lunar/Martian regolith simulants

Review state

needs review

Linked simulants

LMS-1Simulant mentioned in extracted literature tagsNeeds review

Related properties

Chemical compositionanalyzed by SEM-EDS100%elemental composition43 % oxygen, 21 % silicon, 13 % iron100%Particle size distributionDv (10) = 6 m; Dv (50) = 131 m; Dv (90) = 432 m100%Thermal StabilityHigh100%Hardnessmeasured by indentation, Vickers, Knoop, or nanoindentation100%

Evidence snippets

In vacuum conditions, outgassing of trapped vapors in seal materials may alter their properties slightly, and emitted gases can contaminate sensitive equipment.