Surface engineering and selection of materials for lunar regolith adherence characterization
L. Das, K. L. Gordon, J. Kang, V. L. Wiesner, G. C. King, S. Hocker, C. J. Wohl | 2024 | Acta Astronautica
DOI 10.1016/j.actaastro.2024.03.041Needs reviewPDF missing
Methods
28Regolith Adherence Characterization (RAC) payload specimen generation and integrationPerformance evaluation | Lunar dust mitigationFig. 1Concept image renderingFig. 2Surface elements characterizationSurface properties evaluationSurface characterization | Material selection for dust mitigationCharacteristic force calculationsForce measurement | Dust adhesion force estimationLaser ablation parameter evaluationSurface modification | Surface engineering for dust mitigationMaterial surface topography analysisSurface characterization | Material selection for dust mitigationMaterial selection for lunar regolith adherenceMaterial evaluation | Lunar regolith adherence characterizationSurface engineering for dust mitigationSurface modification | Lunar regolith adherence characterizationMaterial performance evaluationPerformance testing | Lunar regolith adherence characterizationSurface element analysisSurface characterization | Material selection for dust mitigationMaterial surface roughness analysisSurface characterization | Material selection for dust mitigationThermal Degradation Sample Experiment (TDS)Thermal testingLunar Dust Adhesion Bell Jar (LDAB)Dust adhesion testingRegolith Adherence Characterization (RAC) payload experimentDust adhesion testingContact angle measurementssurface characterizationSurface roughness measurementSurface characterization | Surface texture analysisSEM imagingsurface characterizationOptical microscopysurface characterizationLaser ablation patterningSurface modification | Material developmentAerosolization techniquesimulant depositionUltrasonic displacement modelingmechanical analysisUltrasonic wand adhesion testAdhesion testing | Dust adhesion mitigation evaluationDust adhesion characterizationQualitative analysis | Surface performance comparisonHierarchical surface topography generationSurface engineering | Adhesion mitigation enhancementDust adhesion comparisonQualitative comparison | Material performance benchmarkingSurface morphology analysisTopography study | Ablation mechanism investigationDust retention on modified surfacesAdhesion behavior study | Adhesion performance evaluation
Properties
26PayloadRegolith Adherence Characterization (RAC) payload100%Year2024100%JournalActa Astronautica100%Pages532-541100%DOI10.1016/j.actaastro.2024.03.041100%PublisherElsevier100%Paper IDS0094-5765(24)00166-895%Thermal stabilityHigh90%Anti-adhesive propertiesStrong90%Chemical resistanceExcellent90%Particle adhesion forcegreater than characteristic force100%Dust retention on Kapton HNno particles visible at end of adhesion test100%Dust retention on LCLR-B compositesimulant particles retained between ablation paths100%Dust retention on FEP surfacesno particles visible at end of adhesion test100%Dust retention on titanium alloy surfacesno particles visible at end of adhesion test100%Surface roughness40 10 nm100%Water contact angleA and R100%Lunar landing siteMare Crisium (17 deg N, 59 deg E)100%Imaging cycleEvery 24 h100%Mission duration12 days100%Lunar dust adhesion mitigationTopographical modification100%Lunar dust adhesion mitigationSurface energy100%Lunar dust adhesion mitigationLaser ablation patterning100%Lunar dust adhesion mitigationSurface topography100%Surface energyLow70%Adhesion forceQuantified70%