{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "@id": "https://www.z-beam.com/datasets/contaminants/composite-manufacturing-laser-cleaning#dataset",
  "identifier": "composite-manufacturing-laser-cleaning",
  "name": "composite-manufacturing",
  "description": "composite-manufacturing",
  "url": "https://www.z-beam.com/datasets/contaminants/composite-manufacturing-laser-cleaning",
  "includedInDataCatalog": {
    "@type": "DataCatalog",
    "name": "Z-Beam Laser Cleaning Entity Registry",
    "url": "https://www.z-beam.com/datasets"
  },
  "variableMeasured": [
    {
      "@type": "PropertyValue",
      "name": "releaseAgentTypes",
      "value": "Five families: wax-based (carnauba, PTFE), silicone-based, PVA films, fluoropolymer sprays, semi-permanent solvent-borne release systems",
      "propertyID": "contaminant:composite-manufacturing/facts.releaseAgentTypes",
      "citation": [
        {
          "@id": "#compositesworld-mold-release-systems"
        },
        {
          "@id": "#palmieri-nasa-picosecond-laser-cfrp-2017"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "releaseAgentResidueAffectsBonding",
      "value": "Release agent residue prevents adhesive bonding — mode I fracture toughness drops ~50% with 1.7 µg/cm² PDMS contamination; laser removal restores bond performance",
      "propertyID": "contaminant:composite-manufacturing/facts.releaseAgentResidueAffectsBonding",
      "citation": [
        {
          "@id": "#palmieri-nasa-laser-surface-prep-epoxy-2016"
        },
        {
          "@id": "#astm-d2093"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "ablationThresholdReleaseAgent",
      "value": "Release agents (waxes, silicones, PTFE) ablate at 0.5–5 J/cm², well below CFRP damage thresholds of 4–8 J/cm²",
      "propertyID": "contaminant:composite-manufacturing/facts.ablationThresholdReleaseAgent",
      "citation": [
        {
          "@id": "#palmieri-nasa-picosecond-laser-cfrp-2017"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "compositeSubstrateDamage",
      "value": "CFRP damage threshold is 4.1 J/cm² (SP-UV nanosecond) to ~8.3 J/cm² (IR picosecond); femtosecond UV stays below 0.25 J/cm² for selective coating removal",
      "propertyID": "contaminant:composite-manufacturing/facts.compositeSubstrateDamage",
      "citation": [
        {
          "@id": "#finger-cfrp-ablation-behavior-2020"
        },
        {
          "@id": "#jiang-femtosecond-uv-ablation-epoxy-2022"
        },
        {
          "@id": "#oliveira-femtosecond-cfrp-surface-treatment-2017"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "selectivityProblem",
      "value": "Release agent and epoxy matrix are both organic polymers (CH/OH/C-O bonds) — selectivity requires wavelength tuning (UV couples better to epoxy than to silicone) not achievable with single 1064 nm laser",
      "propertyID": "contaminant:composite-manufacturing/facts.selectivityProblem",
      "citation": [
        {
          "@id": "#loumena-alphanov-paint-polymer-cfrp-laser-2017"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "gelCoatRemoval",
      "value": "Gel coat is a pigmented polyester/epoxy mold surface layer; laser removes it without damaging underlying laminate — relevant for mold reconditioning and composite repair",
      "propertyID": "contaminant:composite-manufacturing/facts.gelCoatRemoval",
      "citation": [
        {
          "@id": "#navair-diode-laser-paint-fiberglass-2003"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "paintOnComposite",
      "value": "Multi-layer aerospace paint systems on CFRP (Boeing 787, A350): primer + topcoat stack. Femtosecond laser thresholds <0.25 J/cm² enable selective stripping without substrate damage",
      "propertyID": "contaminant:composite-manufacturing/facts.paintOnComposite",
      "citation": [
        {
          "@id": "#zhu-critical-review-laser-paint-cfrp-2025"
        },
        {
          "@id": "#gu-laser-cleaning-cfrp-aircraft-skin-2024"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "carbonFiberDamage",
      "value": "Carbon fiber absorbs 1064 nm strongly; epoxy matrix damage threshold is 10.7 J/cm² (SP-UV), 16.3 J/cm² (USP-IR-A), while CFRP composite damage begins at ~4.1 J/cm²",
      "propertyID": "contaminant:composite-manufacturing/facts.carbonFiberDamage",
      "citation": [
        {
          "@id": "#finger-cfrp-ablation-behavior-2020"
        },
        {
          "@id": "#liang-ablation-threshold-carbon-fiber-2024"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "automatedTapeLayingPrep",
      "value": "Laser is used in AFP/ATL for in-situ surface activation between plies, removing release agent and activating the epoxy surface for bonding",
      "propertyID": "contaminant:composite-manufacturing/facts.automatedTapeLayingPrep",
      "citation": [
        {
          "@id": "#in-situ-laser-post-treatment-afp-2025"
        },
        {
          "@id": "#palmieri-nasa-laser-surface-prep-epoxy-2016"
        },
        {
          "@id": "#compositesworld-laser-cleaning-manufacturing-2024"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "plasmaVsLaserComposite",
      "value": "Atmospheric plasma is the current industrial standard for composite surface activation; laser achieves comparable or better bond strength without gas consumables or electrode wear",
      "propertyID": "contaminant:composite-manufacturing/facts.plasmaVsLaserComposite",
      "citation": [
        {
          "@id": "#compositesworld-trust-plasma-2023"
        },
        {
          "@id": "#mdpi-plasma-automotive-bonding-2024"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "fleetFitCompositeCleaning",
      "value": "Composite cleaning requires low-fluence (<5 J/cm²), tightly controlled applications; suited to hand-held low-power or galvo-scanned systems",
      "propertyID": "contaminant:composite-manufacturing/facts.fleetFitCompositeCleaning",
      "citation": [
        {
          "@id": "#loumena-alphanov-paint-polymer-cfrp-laser-2017"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "narrowestMarginComposite",
      "value": "Paint removal from 1–2 ply CFRP skin (aircraft): release agent/paint ablation at 0.5–5 J/cm² vs CFRP damage at 4.1 J/cm² (SP-UV); margin as low as ~3×",
      "propertyID": "contaminant:composite-manufacturing/facts.narrowestMarginComposite",
      "citation": [
        {
          "@id": "#loumena-alphanov-paint-polymer-cfrp-laser-2017"
        },
        {
          "@id": "#finger-cfrp-ablation-behavior-2020"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "absorptionProfile",
      "value": "Release agents and organic gel coats absorb 1064 nm; carbon fiber absorbs strongly (black, conductive) creating a thermal asymmetry between fiber and matrix",
      "propertyID": "contaminant:composite-manufacturing/facts.absorptionProfile",
      "citation": [
        {
          "@id": "#loumena-alphanov-paint-polymer-cfrp-laser-2017"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "formationChemistry",
      "value": "Release agents (silicone, PTFE, wax), gel coat residues, and uncured resin flash from manufacturing — thin organic films (1–10 µm) on carbon fiber or fiberglass laminate surfaces",
      "propertyID": "contaminant:composite-manufacturing/facts.formationChemistry",
      "citation": [
        {
          "@id": "#compositesworld-mold-release-systems"
        },
        {
          "@id": "#palmieri-nasa-picosecond-laser-cfrp-2017"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "thermalDecomposition",
      "value": "Composite matrix resins soften (Tg ~120–180°C) well below contaminant ablation temperature — thermal margin is the limiting factor, not fluence",
      "propertyID": "contaminant:composite-manufacturing/facts.thermalDecomposition",
      "citation": [
        {
          "@id": "#finger-cfrp-ablation-behavior-2020"
        },
        {
          "@id": "#liang-ablation-threshold-carbon-fiber-2024"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "detectionMethods",
      "value": "Water-break test (ASTM F22) confirms clean surface; XPS/FTIR for release agent residue quantification; single-lap shear specimens per ASTM D3165 for bond validation",
      "propertyID": "contaminant:composite-manufacturing/facts.detectionMethods",
      "citation": [
        {
          "@id": "#palmieri-nasa-laser-surface-prep-epoxy-2016"
        },
        {
          "@id": "#astm-d2093"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "byproducts",
      "value": "Silicone/PTFE decomposition products, organic vapor from wax release agents, fine carbon fiber dust if substrate is abraded",
      "propertyID": "contaminant:composite-manufacturing/facts.byproducts",
      "citation": [
        {
          "@id": "#osha-table-z1"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "downstreamCompatibility",
      "value": "Clean surfaces re-contaminate from airborne dust/silicone within 24 hr; bond within 8 hr of laser prep or bag immediately; single-lap shear strength comparable to peel-ply + grit blast",
      "propertyID": "contaminant:composite-manufacturing/facts.downstreamCompatibility",
      "citation": [
        {
          "@id": "#astm-d2093"
        },
        {
          "@id": "#palmieri-nasa-laser-surface-prep-epoxy-2016"
        }
      ]
    },
    {
      "@type": "PropertyValue",
      "name": "laserDamageThreshold",
      "value": "1.5–3.0",
      "propertyID": "contaminant:composite-manufacturing/facts.laserDamageThreshold",
      "unitText": "J/cm²",
      "wavelengthNm": 1064,
      "pulseRegime": "ns",
      "citation": [
        {
          "@id": "#1016-preparation-2016"
        }
      ]
    }
  ],
  "measurementTechnique": "Laser cleaning parameter measurement",
  "license": {
    "@type": "CreativeWork",
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "creator": {
    "@type": "Organization",
    "name": "Z-Beam Laser Cleaning"
  },
  "publisher": {
    "@type": "Organization",
    "name": "Z-Beam Laser Cleaning",
    "url": "https://www.z-beam.com"
  },
  "dateModified": "2026-08-31",
  "version": "3.0",
  "citation": [
    {
      "@type": "ScholarlyArticle",
      "@id": "#1016-preparation-2016",
      "headline": "Laser ablation surface preparation for adhesive bonding of carbon fiber reinforced epoxy composites, International Journal of Adhesion and Adhesives, 2016",
      "sameAs": "https://doi.org/10.1016/j.ijadhadh.2016.02.007"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#astm-d2093",
      "headline": "ASTM D2093 — Standard Practice for Preparation of Surfaces of Plastics Prior to Adhesive Bonding",
      "sameAs": "https://www.astm.org/d2093-17.html"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#compositesworld-laser-cleaning-manufacturing-2024",
      "headline": "Laser cleaning in composites manufacturing, CompositesWorld",
      "sameAs": "https://www.compositesworld.com/articles/laser-cleaning-in-composites-manufacturing"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#compositesworld-mold-release-systems",
      "headline": "Guide to Mold Release Systems, Explore Composites",
      "sameAs": "https://explorecomposites.com/articles/tooling/mold-release-systems"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#compositesworld-trust-plasma-2023",
      "headline": "Plasma treatment as surface preparation for adhesive bonding, CompositesWorld (DARPA TRUST project)",
      "sameAs": "https://www.compositesworld.com/articles/plasma-treatment-as-surface-preparation-for-adhesive-bonding"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#finger-cfrp-ablation-behavior-2020",
      "headline": "On the Ablation Behavior of Carbon Fiber-Reinforced Plastics during Laser Surface Treatment Using Pulsed Lasers, Materials (MDPI), 2020",
      "sameAs": "https://pmc.ncbi.nlm.nih.gov/articles/PMC7763314"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#gu-laser-cleaning-cfrp-aircraft-skin-2024",
      "headline": "Research on Laser Cleaning Process of Paint Layer on Carbon Fiber Composite Aircraft Skin, Chinese Journal of Lasers, 2024",
      "sameAs": "https://www.researching.cn/articles/OJ516dfd38196bef0f"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#in-situ-laser-post-treatment-afp-2025",
      "headline": "In-situ laser post-treatment for automated fiber placement, Composites Part A, 2025",
      "sameAs": "https://www.sciencedirect.com/science/article/pii/S1359836826005354"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#jiang-femtosecond-uv-ablation-epoxy-2022",
      "headline": "Femtosecond UV Laser Ablation Characteristics of Polymers Used as the Matrix of Astronautic Composite Material, Materials (MDPI), 2022",
      "sameAs": "https://www.mdpi.com/1996-1944/15/19/6771"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#liang-ablation-threshold-carbon-fiber-2024",
      "headline": "The ablation threshold and incubation effect in picosecond laser surface treatment of CFRP, Optics & Laser Technology, 2024",
      "sameAs": "https://www.sciencedirect.com/science/article/abs/pii/S0030399224005139"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#loumena-alphanov-paint-polymer-cfrp-laser-2017",
      "headline": "Comparison Between Laser Technologies and Alternative Processes on Paint and Polymer Layer Removal on Composite Substrate, ALPHANOV / RPMCLasers, 2017",
      "sameAs": "https://rpmclasers.com/wp-content/uploads/products/PAINT%20AND%20POLYMER%20LAYER%20REMOVAL%20ON%20COMPOSITE%20SUBSTRATE.pdf"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#mdpi-plasma-automotive-bonding-2024",
      "headline": "Atmospheric Pressure Plasma Surface Treatment for Structural Adhesive Bonding in Automotive Body Manufacturing, Applied Sciences (MDPI), 2024",
      "sameAs": "https://www.mdpi.com/2076-3417/15/24/12906"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#navair-diode-laser-paint-fiberglass-2003",
      "headline": "An Assessment of Semiconductor Diode Laser Paint Stripping of Composite Aircraft Components, NAWCADPAX/TR-2003/88",
      "sameAs": "https://apps.dtic.mil/sti/tr/pdf/ADA416992.pdf"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#oliveira-femtosecond-cfrp-surface-treatment-2017",
      "headline": "Surface treatment of CFRP composites using femtosecond laser radiation, Optics and Lasers in Engineering, 2017",
      "sameAs": "https://www.sciencedirect.com/science/article/abs/pii/S0143816616304894"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#osha-table-z1",
      "headline": "29 CFR 1910.1000 Table Z-1 — Limits for Air Contaminants",
      "sameAs": "https://www.osha.gov/annotated-pels/table-z-1"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#palmieri-nasa-laser-surface-prep-epoxy-2016",
      "headline": "Laser Surface Preparation of Epoxy Composites for Secondary Bonding: Optimization of Ablation Depth, NASA Langley / Boeing, SAMPE 2013/2016",
      "sameAs": "https://ntrs.nasa.gov/api/citations/20160005971/downloads/20160005971.pdf"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#palmieri-nasa-picosecond-laser-cfrp-2017",
      "headline": "Picosecond Pulsed Laser Ablation for the Surface Preparation of Epoxy Composites, NASA Langley Research Center, SAMPE 2017",
      "sameAs": "https://ntrs.nasa.gov/api/citations/20170006187/downloads/20170006187.pdf"
    },
    {
      "@type": "ScholarlyArticle",
      "@id": "#zhu-critical-review-laser-paint-cfrp-2025",
      "headline": "A critical review on laser-assisted paint removal from carbon fibre reinforced polymer, Journal of Hazardous Materials Advances, 2025",
      "sameAs": "https://www.sciencedirect.com/science/article/pii/S2666682025000969"
    }
  ]
}