outgassing
Trapped gas escaping
Outgassing is the release of gas trapped within a solid material.
In space applications, materials outgas when exposed to vacuum, potentially contaminating sensitive equipment: The spacecraft's components underwent testing to minimize outgassing.
New cars, furniture, and building materials outgas volatile compounds—the source of "new car smell." The verb is to outgas.
Conversion to gaseous state
- evaporationLiquid turning to gas
- sublimationSolid to gas directly
- effusionUnrestrained emotional discharge
- emanationSomething that flows out
diffusion · permeation · seepage · leakage · exudation · venting · liberation · expulsion
Airborne chemical irritants
- smellOlfactory perception
- ventilationCirculation of fresh air
- formaldehydeColorless pungent preservative gas
Large chain-like molecules
- plasticsMoldable petroleum-based materials
- adhesivesBonding substances
- sealantsLeak-preventing compounds
- compositesMaterials from merged components
rubber · epoxy · silicone · foam · coatings · laminates · resins · elastomers
Introduction of impurities
Restoring health or preserving
- polymerizationMonomers bonding into chains
- vulcanizationChemically strengthening raw rubber
- moldingDecorative architectural edging
- extrusionPushing through a die
casting · laminating · thermosetting · sintering · annealing · bonding · conditioning · drying
Enclosed room or cavity
- evacuationRemoval from danger
- adsorptionAccumulation on a surface
- roughingUnnecessary physical contact foul
- torrPressure measurement unit
Growing older over time
- deteriorationProcess of declining quality
- embrittlementMaterial losing flexibility, gaining fragility
- discolorationAltered surface pigmentation
- crackingBreaking without separating completely
volatilization
Conversion to gaseous state
- evaporationLiquid turning to gas
- sublimationSolid to gas directly
- effusionUnrestrained emotional discharge
emanation · diffusion · permeation · seepage · leakage · exudation · venting · liberation · expulsion
fumes
Airborne chemical irritants
- smellOlfactory perception
- ventilationCirculation of fresh air
- formaldehydeColorless pungent preservative gas
polymers
Large chain-like molecules
- plasticsMoldable petroleum-based materials
- adhesivesBonding substances
- sealantsLeak-preventing compounds
composites · rubber · epoxy · silicone · foam · coatings · laminates · resins · elastomers · thermoplastics
contamination
Introduction of impurities
curing
Restoring health or preserving
- polymerizationMonomers bonding into chains
- vulcanizationChemically strengthening raw rubber
- moldingDecorative architectural edging
extrusion · casting · laminating · thermosetting · sintering · annealing · bonding · conditioning · drying · seasoning
chamber
Enclosed room or cavity
- evacuationRemoval from danger
- adsorptionAccumulation on a surface
- roughingUnnecessary physical contact foul
aging
Growing older over time
- deteriorationProcess of declining quality
- embrittlementMaterial losing flexibility, gaining fragility
- discolorationAltered surface pigmentation
- volcanic activityeruption, active, lava, dormant, magma
- planetary scienceplanetary cores, planet formation, planetary formation, planetary rings, atmospheres
- cometscomet, Halley's Comet, comet tail, Hale-Bopp, dirty snowball
- gas phenomenavapor, steam, fumes, exhaust, emissions
- degassingdeaeration, deoxygenation, decarbonation
- gas solubilitydissolved oxygen, saturation point, partial pressure, supersaturation, carbonation
outgassingabsorption
Process of taking in
adsorption · inhalation · sorption · occlusion · occluding
outgassingsaturation
State of complete permeation
impregnation · charging · sealing · encapsulation · infusion
gas, gassy, gassed, gaseous, gasses, gassing, gasification, outgas, gasify