ASTM E266
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum
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About This Item
ASTM E266 is the ASTM standard for measuring fast-neutron reaction rates by radioactivation of aluminum. It provides a technical method for evaluating neutron-induced activity in aluminum, helping users obtain more consistent reaction-rate measurements in fast-neutron environments. This is important when reliable test data are needed for engineering analysis, comparison of irradiation conditions, or quality-focused nuclear measurements. As a product-page document, ASTM E266 supports informed purchasing and proper standard selection.
Purpose of ASTM E266
The purpose of ASTM E266 is to define a standardized test method for determining fast-neutron reaction rates through radioactivation of aluminum. By outlining a consistent approach, the standard helps reduce variability in measurement practices and supports comparable results across different laboratories or test programs. It is generally used where fast-neutron field characterization is needed and aluminum activation serves as the measurement basis. For technical users, ASTM E266 offers a clear reference for method selection and test planning.
Common use cases of ASTM E266
ASTM E266 is commonly used in irradiation testing, neutron field evaluation, and related laboratory workflows where aluminum radioactivation is used to measure fast-neutron response. It may be selected for reactor or neutron-source environments that require a standardized way to estimate reaction rates. The method is relevant to technical teams that evaluate irradiation conditions, compare test exposures, or document measurement results using an ASTM-recognized procedure. It is most useful when repeatable neutron activation data are needed.
Why ASTM E266 matters
ASTM E266 matters because standardized neutron reaction-rate measurements help improve consistency, traceability, and confidence in test results. In practice, this supports quality control, compliance-oriented documentation, and better comparison between different measurements or facilities. Using a recognized ASTM standard can also reduce ambiguity during procurement and testing, especially when accurate fast-neutron data are needed for engineering decisions. ASTM E266 helps align measurement practice with a clear technical reference.
- Fast-neutron reaction-rate measurement
- Radioactivation of aluminum
- Standardized test method
- Irradiation and neutron field evaluation
- Consistent technical documentation
- Publication Date: 2023-06-27
- Publisher: ASTM
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