ASTM C1031-97(2004)

Standard Specification for Nuclear-Grade Aluminum Oxide Powder

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 Al2O3 - B4C composite pellets for use as thermal insulator or burnable neutron absorbers.  
1.2 The material described herein shall be particulate in nature.

General Information

• Status: Historical
• Publication Date: 09-May-1997
• ICS: 27.120.30 - Fissile materials and nuclear fuel technology
• ICS: 71.060.20 - Oxides
• Technical Committee: C26 - Nuclear Fuel Cycle
• Drafting Committee: C26.03 - Neutron Absorber Materials Specifications

Relations

• Replaces: ASTM C1031-97 - Standard Specification for Nuclear-Grade Aluminum Oxide Powder
• Effective Date: 10-May-1997
• Replaced By: ASTM C1031-05 - Standard Specification for Nuclear-Grade Aluminum Oxide Powder
• Effective Date: 01-Jun-2005
• Referred By: ASTM C784-20 - Standard Specification for Nuclear-Grade Aluminum Oxide-Boron Carbide Composite Pellets
• Effective Date: 10-May-1997

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 1031 – 97 (Reapproved 2004)
Standard Specification for
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 (e) 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.
1.2 The material described herein shall be particulate in
4. Ordering Information
nature.
4.1 Thebuyershallspecifythefollowinginformationonthe
2. Referenced Documents order:
4.1.1 Quantity (weight of delivered product),
2.1 ASTM Standards:
4.1.2 Lot size (allowable range), and
C809 Methods for Chemical, Mass Spectrometric, and
4.1.3 Sample requirements.
Spectrochemical Analysis of Nuclear-Grade Aluminum
4.2 The particle size distribution will be determined utiliz-
Oxide and Aluminum Oxide-Boron Carbide Composite
ing a method agreed upon between buyer and seller.
Pellets
C859 Terminology Relating to Nuclear Materials
5. Chemical Composition
E105 Practice for Probability Sampling of Materials
5.1 The powder shall conform to the following chemical
2.2 ANSI Standard:
requirements (see Methods C809):
ANSI/ASME NQA-1 Quality Assurance Program Require-
Element Weight %, max
ments for Nuclear Facility Applications
Silicon 2.0
2.3 U.S. Government Document:
Iron-Chromium-Nickel 0.6
Code of Federal Regulations, Title 10, Part 50–Energy Magnesium 1.0
Sodium 0.2
(10CFR 50), Domestic Licensing of Production and Uti-
Calcium 0.3
lization Facilities
Hafnium 200 µg/g Al O
2 3
Fluorine 50 µg/g Al O
2 3
3. Terminology
Fluorine-Chlorine-Iodine-Bromine 100 µg/g Al O
2 3
Gadolinium 100 µg/g Al O
2 3
3.1 Descriptions of Terms Specific to This Standard—Terms
Samarium 100 µg/g Al O
2 3
shall be defined in accordance withTerminology C859 except
Europium 100 µg/g Al O
2 3
Dysprosium 200 µg/g Al O
2 3
for the following:
5.2 Anyidentifiedimpurityexceeding1.0weight%shallbe
reported. The total of all measured impurities shall not exceed
This specification is under the jurisdiction of ASTM Committee C-26 on
4.0 weight%.
Nuclear Fuel Cycle and is the direct responsibility of Subcommittee C26.03 on
Neutron Absorber Materials Specifications.
NOTE 1—The buyer may specify limits for any other elements (for
Current edition approved May 10, 1997. Published May 1998. Originally
example, neutron absorbing materials, such as boron) not listed in 5.1.
published as C1031–84. Last previous edition C1031–89.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6. Physical Requirements
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standardsvolume information, refer to the standard’s Document Summary page on
6.1 The particle size distribution shall have a mean value of
the ASTM website.
6 µm or less. The particle size distribution will be determined
AvailablefromtheAmericanNationalStandardsInstitute,11W.42ndSt.,13th
utilizing a method submitted by the seller for approval by the
Floor, New York, NY 10036.
Available from Superintendent of Documents, U.S. Government Printing
buyer.
Office, Washington, DC 20402.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C 1031 – 97 (2004)
7. Cleanliness 10. Rejection and Rehearing
10.1 Unless the buyer and seller ag
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