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- Accelerated_aging abstract "Accelerated aging is testing that uses aggravated conditions of heat, oxygen, sunlight, vibration, etc. to speed up the normal aging processes of items. It is used to help determine the long term effects of expected levels of stress within a shorter time, usually in a laboratory by controlled standard test methods. It is used to estimate the useful lifespan of a product or its shelf life when actual lifespan data is unavailable. This occurs with products that have not existed long enough to have gone through their useful lifespan: for example, a new type of car engine or a new polymer for replacement joints.Physical testing or chemical testing is carried out by subjecting the product to representative levels of stress for long time periods, unusually high levels of stress used to accelerate the effects of natural aging, or levels of stress that intentionally force failures (for further analysis). Mechanical parts are run at very high speed, far in excess of what they would receive in normal usage. Polymers are often kept at elevated temperatures, in order to accelerate chemical breakdown. Environmental chambers are often used.Also, the device or material under test can be exposed to rapid (but controlled) changes in temperature, humidity, pressure, strain, etc. For example, cycles of heat and cold can simulate the effect of day and night for a few hours or minutes.".
- Accelerated_aging wikiPageExternalLink 002.html.
- Accelerated_aging wikiPageID "3372706".
- Accelerated_aging wikiPageRevisionID "561667696".
- Accelerated_aging hasPhotoCollection Accelerated_aging.
- Accelerated_aging subject Category:Evaluation_methods.
- Accelerated_aging subject Category:Production_and_manufacturing.
- Accelerated_aging subject Category:Quality.
- Accelerated_aging subject Category:Reliability_engineering.
- Accelerated_aging subject Category:Safety_engineering.
- Accelerated_aging subject Category:Senescence.
- Accelerated_aging subject Category:Tests.
- Accelerated_aging type Ability105616246.
- Accelerated_aging type Abstraction100002137.
- Accelerated_aging type Cognition100023271.
- Accelerated_aging type EvaluationMethods.
- Accelerated_aging type Experiment105798043.
- Accelerated_aging type HigherCognitiveProcess105770664.
- Accelerated_aging type Inquiry105797597.
- Accelerated_aging type Know-how105616786.
- Accelerated_aging type Method105660268.
- Accelerated_aging type ProblemSolving105796750.
- Accelerated_aging type Process105701363.
- Accelerated_aging type PsychologicalFeature100023100.
- Accelerated_aging type Tests.
- Accelerated_aging type Thinking105770926.
- Accelerated_aging type Trial105799212.
- Accelerated_aging comment "Accelerated aging is testing that uses aggravated conditions of heat, oxygen, sunlight, vibration, etc. to speed up the normal aging processes of items. It is used to help determine the long term effects of expected levels of stress within a shorter time, usually in a laboratory by controlled standard test methods. It is used to estimate the useful lifespan of a product or its shelf life when actual lifespan data is unavailable.".
- Accelerated_aging label "Accelerated aging".
- Accelerated_aging label "加速劣化試験".
- Accelerated_aging sameAs 加速劣化試験.
- Accelerated_aging sameAs m.0986fr.
- Accelerated_aging sameAs Q4672283.
- Accelerated_aging sameAs Q4672283.
- Accelerated_aging sameAs Accelerated_aging.
- Accelerated_aging wasDerivedFrom Accelerated_aging?oldid=561667696.
- Accelerated_aging isPrimaryTopicOf Accelerated_aging.