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Standard Practice for Surveillance Testing of High-Temperature Nuclear Component Materials (Withdrawn 2022)
Automaticky preložený názov:
Štandardná prax pre dohľad nad testovanie vysokoteplotných jadrových komponentov materiály
NORMA vydaná dňa 1.1.2013
Označenie normy: ASTM E531-13
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.1.2013
Kód tovaru: NS-47111
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
irradiation, nuclear reactor vessels (high temperature), radiation exposure, surveillance (of nuclear reactor vessels), ICS Number Code 27.120.10 (Reactor engineering)
Significance and Use | ||||||||||||||||||||||||||||||||||||||||
4.1 The requirements contained herein can be used as a basis for establishing conditions for safe operation of critical components. The requirements provide for general plant assessment and verification that materials meet design criteria. The test specimens and procedures presented in this practice are for guidance when establishing a surveillance program. 4.2 This practice for high-temperature materials surveillance programs is used when nuclear reactor component materials are monitored by specimen testing. Periodic testing is performed through the service life of the components to assess changes in selected material properties that are caused by neutron irradiation and thermal effects. The properties are those used as design criteria for the respective nuclear components. The extent of material property change caused by neutron irradiation depends on the composition and structure of the initial material, its conditioning in component fabrication, as well as the nature of the irradiation exposure. The need for surveillance arises from a concern of specific material behavior under all irradiation conditions including spectrum and rate effects on material properties. |
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1. Scope | ||||||||||||||||||||||||||||||||||||||||
1.1 This practice covers procedures for specimen testing to establish changes occurring in the mechanical properties due to irradiation and thermal effects of nuclear component metallic materials where these materials are used for high temperature applications above 370°C (700°F). 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. |
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2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||
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