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Description of ASTM-C784 2012ASTM C784 - 05(2012)Standard Specification for Nuclear-Grade Aluminum Oxide-Boron Carbide Composite PelletsActive Standard ASTM C784 | Developed by Subcommittee: C26.03 Book of Standards Volume: 12.01 ASTM C784Abstract This specification applies to composite pellets composed of mixtures of nuclear-grade aluminum oxide and boron carbide that may be ultimately used in a reactor core, for example, in neutron absorber rods. Specimens shall be sampled and tested as appropriate, and shall adhere accordingly to required chemical compositions, physical dimensions, density, boron carbide homogeneity, mechanical properties, visual appearance, end and circumferential chips, cracks, and fissures and other defects. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 This specification applies to pellets composed of mixtures of aluminum oxide and boron carbide that may be ultimately used in a reactor core, for example, in neutron absorber rods. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
ASTM Standards C559 Test Method for Bulk Density by Physical Measurements of Manufactured Carbon and Graphite Articles C750 Specification for Nuclear-Grade Boron Carbide Powder C809 Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Aluminum Oxide and AluminumOxide-Boron Carbide Composite Pellets C859 Terminology Relating to Nuclear Materials C1031 Specification for Nuclear-Grade Aluminum Oxide Powder E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves E105 Practice for Probability Sampling of Materials ANSI Standard ANSI/ASMENQA-1 Quality Assurance Program Requirements for Nuclear Facilities Available from American National Standards Institute, 11 W. 42nd St., 13th Floor, New York, NY 10036.Keywords absorber pellets; aluminum oxide; boron carbide; poison pellets ; Aluminum oxide/boron carbide composite pellets (nuclear-grade) ICS Code ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology); 71.060.50 (Salts) DOI: 10.1520/C0784-05R12 ASTM International is a member of CrossRef. ASTM C784This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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