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Standard Practice for Strain Controlled Thermomechanical Fatigue Testing
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NORMA vydána dne 1.11.2017
Označení normy: ASTM E2368-10(2017)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.11.2017
Kód zboží: NS-802796
Počet stran: 10
Přibližná hmotnost: 30 g (0.07 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
ICS Number Code 19.060 (Mechanical testing)
Significance and Use | ||||||||||||||||||||||
4.1 In the utilization of structural materials in elevated temperature environments, components that are susceptible to fatigue damage may experience some form of 1.1 This practice covers the determination of thermomechanical fatigue (TMF) properties of materials under uniaxially loaded strain-controlled conditions. A “thermomechanical” fatigue cycle is here defined as a condition where uniform temperature and strain fields over the specimen gage section are 1.2 This practice allows for any maximum and minimum values of temperature and mechanical strain, and temperature-mechanical strain phasing, with the restriction being that such parameters remain cyclically constant throughout the duration of the test. No restrictions are placed on environmental factors such as pressure, humidity, environmental medium, and others, provided that they are controlled throughout the test, do not cause loss of or change in specimen dimensions in time, and are detailed in the data report. 1.3 The use of this practice is limited to specimens and does not cover testing of full-scale components, structures, or consumer products. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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