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ASTM C1076-97(2004)
Standard Specification for Nuclear Grade Hafnium Oxide Pellets
3 стр.
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Разработчик:
Зарубежные/ASTM
Сборник (ASTM):
12.01 Nuclear Energy (I) / Ядерная энергия (I)
Тематика:
Nuclear Technology
Описание
Реферат

This specification covers the properties and requirements for pellets of stabilized cubic hafnium oxide used in nuclear reactors. Hafnium oxide should consist of a stabilizing agent, the recommended of which is yttrium oxide, though others such as calcium oxide and magnesium oxide may also be used as agreed upon by the buyer and seller. The material shall meet specified values of the following requirements: physical dimensions; density; mechanical properties; phase stabilization; impurity concentration limits; moisture concentration limit; visual appearance; end and circumferential chips; cracks; and fissures and other defects.

Область применения

1.1 This specification applies to pellets of stabilized cubic hafnium oxide used in nuclear reactors.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

Ключевые слова:
CaO; hafnium oxide; MgO; stabilizer; stabilizing; additive; thermal cycling test; Y2O3