ASTM C1031-97

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

• Replaced By: ASTM C1031-97(2004) - Standard Specification for Nuclear-Grade Aluminum Oxide Powder
• Effective Date: 10-May-1997
• 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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 1031 – 97
Standard Specification for
Nuclear-Grade Aluminum Oxide Powder
This standard is issued under the fixed designation C 1031; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number 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
made up of powder from one or more sources, blended together
requirements for nuclear-grade aluminum oxide powder in-
such that samples taken in accordance with the procedures in
tended for fabrication into shapes for nuclear applications. 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 The buyer shall specify the following information on the
2. Referenced Documents order:
4.1.1 Quantity (weight of delivered product),
2.1 ASTM Standards:
4.1.2 Lot size (allowable range), and
C 809 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
C 859 Terminology Relating to Nuclear Materials
5. Chemical Composition
E 105 Practice for Probability Sampling of Materials
5.1 The powder shall conform to the following chemical
2.2 ANSI Standard:
requirements (see Methods C 809):
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 with Terminology C 859 except
Europium 100 μg/g Al O
2 3
Dysprosium 200 μg/g Al O
2 3
for the following:
5.2 Any identified impurity exceeding 1.0 weight % shall be
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 C 1031 – 84. Last previous edition C 1031 – 89.
Annual Book of ASTM Standards, Vol 12.01.
Annual Book of ASTM Standards, Vol 14.02.
Available from the American National Standards Institute, 11 W. 42nd St., 13th
Floor, New York, NY 10036.
Available from Superintendent of Documents, U.S. Government Printing
Office, Washington, DC 20402.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
C 1031
6. Physical Requirements each powder lot. The seller shall certify that each powder lot is
in compliance with 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 meth
...