ASTM D7301 Standard Specification for Nuclear Graphite Suitable for Components Subjected to Low Neutron Irradiation Dose
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ASTM International
Standard Specification for Nuclear Graphite Suitable for Components Subjected to Low Neutron Irradiation Dose
N D7301
Annotation
This specification covers the classification, processing, and properties of nuclear grade graphite billets with dimensions sufficient to meet the designer's requirements for reflector blocks and core support structures, in a high temperature gas cooled reactor. The graphite classes specified here would be suitable for reactor core applications where neutron irradiation induced dimensional changes are not a significant design consideration.
The purpose of this specification is to document the minimum acceptable properties and levels of quality assurance and traceability for nuclear grade graphite suitable for components subjected to low irradiation dose. Nuclear graphites meeting the requirements of Specification D7219 are also suitable for components subjected to low neutron irradiation dose.
The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
Автоматический перевод:
Стандартная спецификация для ядерного графита, подходящего для компонентов, подвергнутых низкой нейтронной дозе озарения
Эта спецификация покрывает классификацию, обработку, и свойства ордеров на постой графита ядерного сорта с размерами, достаточными, чтобы ответить требованиям проектировщика для блоков отражателя и основных структур поддержки, в газе высокой температуры, охладили реактор. Классы графита, определенные здесь, подошли бы для реакторных базовых приложений, где вызванные размерные изменения нейтронного озарения не значительное конструктивное соображение.
