ASTM C1031-05
(Specification)Standard Specification for Nuclear-Grade Aluminum Oxide Powder
Standard Specification for Nuclear-Grade Aluminum Oxide Powder
ABSTRACT
This specification provides the chemical and physical properties and requirements for nuclear-grade aluminum oxide powder intended for fabrication into shapes for nuclear applications. The materials shall conform to physical requirements as to particle size distribution, and specific surface area, and chemical requirements as to loss-on-ignition, and total and elemental concentrations of all impurities. Impurities may include silicaon, iron-chromium-nickel, magnesium, sodium, calcium, hafnium, fluorine, fluorine-chlorine-iodine-bromine, gadolinium, samarium, europium, and dysprosium.
SCOPE
1.1 This specification provides the chemical and physical requirements for nuclear-grade aluminum oxide powder intended for fabrication into shapes for nuclear applications. Two specific uses for which this powder is intended are Al2O3 pellets and Al2O 3 B4C composite pellets for use as thermal insulator or burnable neutron absorbers, respectively.
1.2 The material described herein shall be particulate in nature.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: C1031 – 05
Standard Specification for
1
Nuclear-Grade Aluminum Oxide Powder
This standard is issued under the fixed designation C1031; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 buyer—organization issuing the purchase order.
3.1.2 powder lot—that quantity of aluminum oxide powder
1.1 This specification provides the chemical and physical
madeupofpowderfromoneormoresources,blendedtogether
requirements for nuclear-grade aluminum oxide powder in-
such that samples taken in accordance with the procedures in
tendedforfabricationintoshapesfornuclearapplications.Two
Section 8 can be considered as representative of the entire
specific uses for which this powder is intended are Al O
2 3
quantity.
pellets and Al O −B C composite pellets for use as thermal
2 3 4
3.1.3 seller—aluminum oxide manufacturer.
insulator or burnable neutron absorbers, respectively.
1.2 The material described herein shall be particulate in
4. Ordering Information
nature.
4.1 Thebuyershallspecifythefollowinginformationonthe
2. Referenced Documents order:
2
4.1.1 Quantity (weight of delivered product),
2.1 ASTM Standards:
4.1.2 Lot size (allowable range),
C809 Test Methods for Chemical, Mass Spectrometric, and
4.1.3 Sample requirements, and
Spectrochemical Analysis of Nuclear-Grade Aluminum
4.1.4 Particle size distribution.
Oxide and AluminumOxide-Boron Carbide Composite
Pellets
5. Chemical Composition
C859 Terminology Relating to Nuclear Materials
5.1 The powder shall conform to the following chemical
E105 Practice for Probability Sampling Of Materials
requirements (see Methods C809):
2.2 ANSI Standard:
Element Weight %, max
ANSI/ASME NQA-1 Quality Assurance Requirements for
Silicon 2.0
3
Nuclear Facility Applications
Iron-Chromium-Nickel 0.6
2.3 U.S. Government Document:
Magnesium 1.0
Sodium 0.2
Code of Federal Regulations, Title 10, Part 50–Energy
Calcium 0.3
(10CFR 50), Domestic Licensing of Production and Uti-
Hafnium 200 µg/g Al O
2 3
4
lization Facilities Fluorine 50 µg/g Al O
2 3
Fluorine-Chlorine-Iodine-Bromine 100 µg/g Al O
2 3
Gadolinium 100 µg/g Al O
3. Terminology 2 3
Samarium 100 µg/g Al O
2 3
3.1 Descriptions of Terms Specific to This Standard—Terms Europium 100 µg/g Al O
2 3
Dysprosium 200 µg/g Al O
2 3
shall be defined in accordance with Terminology C859 except
for the following:
5.2 The total concentration of all impurities, the impurities
listed in 5.1, and any other identified impurity exceeding 1.0
1 weight% shall be reported. The total of all measured impuri-
This specification is under the jurisdiction of ASTM Committee C26 on
Nuclear Fuel Cycle and is the direct responsibility of Subcommittee C26.03 on ties shall not exceed 4.0 weight%.
Neutron Absorber Materials Specifications.
5.3 Loss-on-Ignition—The test method and acceptance lim-
Current edition approved June 1, 2005. Published June 2005. Originally
its for loss-on-ignition shall be agreed upon between the buyer
approved in 1984. Last previous edition approved in 2004 as C1031–97(2004).
and the seller.
DOI: 10.1520/C1031-05.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
NOTE 1—The buyer may specify limits for any other elements (for
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
example, neutron absorbing materials, such as boron) not listed in 5.1.
Standardsvolume information, refer to the standard’s Document Summary page on
the ASTM website.
3
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036.
4
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732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C1031 – 05
6. Physical Requirements 9.1.4 Astatementthateachpowderlotisincompliancewith
the provisions of this specification.
6.1 The particle size distribution shall have a mean value of
6 µm or less. The particle size distribution will be determined
10. Rejection and Rehearing
utilizing a method approved by the buyer.
10.1 Unless the buyer and seller agree otherwise, rejection
6.2 Specific Surface Area—The test method and acceptance
and acceptance shall be on a powder lot basis.
limits for specific surface area shall be agreed upon between
10.2 Powder lots that fail to conform to the requirements of
the buyer and the seller.
this specification may be rejected by the buyer.The seller may
petition the buyer to waive selected requirements
...
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