1、Designation:C103105 Designation: C1031 11Standard Specification forNuclear-Grade Aluminum Oxide Powder1This standard is issued under the fixed designation C1031; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revi
2、sion. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification provides the chemical and physical requirements for nuclear-grade aluminum oxide powder intended forfabricat
3、ion into shapes for nuclear applications. Two specific uses for which this powder is intended are Al2O3pellets and Al2O3 B4C composite pellets for use as thermal insulator or burnable neutron absorbers, respectively.1.2 The material described herein shall be particulate in nature.2. Referenced Docum
4、ents2.1 ASTM Standards:2C809 Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Aluminum Oxide andAluminumOxide-Boron Carbide Composite PelletsC859 Terminology Relating to Nuclear MaterialsE105 Practice for Probability Sampling of Materials2.2 ANSI Standard:
5、ANSI/ASME NQA-1 Quality Assurance Requirements for Nuclear Facility Applications32.3 U.S. Government Document:Code of Federal Regulations, Title 10, Part 50Energy (10CFR 50), Domestic Licensing of Production and UtilizationFacilities43. Terminology3.1 Descriptions of Terms Specific to This StandardT
6、erms shall be defined in accordance with Terminology C859 except forthe following:3.1.1 buyerorganization issuing the purchase order.3.1.2 powder lotthat quantity of aluminum oxide powder made up of powder from one or more sources, blended together andhomogenized such that samples taken in accordanc
7、e with the procedures in Section 8 can be considered as representative of theentire quantity.3.1.3 selleraluminum oxide manufacturer.4. Ordering Information4.1 The buyer shall specify the following information on the order:4.1.1 Quantity (weight of delivered product),4.1.2 Lot size (allowable range)
8、,4.1.3 Sample requirements, and4.1.4Particle size distribution.4.1.4 Additional requirements.5. Chemical Composition5.1 The powder shall conform to the following chemical requirements (see Methods C809):1This specification is under the jurisdiction ofASTM Committee C26 on Nuclear Fuel Cycle and is t
9、he direct responsibility of Subcommittee C26.03 on NeutronAbsorberMaterials Specifications.Current edition approved JuneFeb. 1, 2005.2011. Published June 2005.February 2011. Originally approved in 1984. Last previous edition approved in 20042005 asC103197(2004).C1031 05. DOI: 10.1520/C1031-05.10.152
10、0/C1031-11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandardsvolume information, refer to the standards Document Summary page on the ASTM website.3Available from American National Standards Insti
11、tute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.4Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, D.C., 20401.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard
12、an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is
13、to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.Element Weight %, maxSilicon 2.0Iron-Chromium-Nickel 0.6Magnesium 1.0Sodium 0.2Calcium 0.3Hafnium 200 g/g Al2O3Fluorine 50 g/g Al2O3Fluorine-Chlori
14、ne-Iodine-Bromine 100 g/g Al2O3Gadolinium 100 g/g Al2O3Samarium 100 g/g Al2O3Europium 100 g/g Al2O3Dysprosium 200 g/g Al2O35.2The total concentration of all impurities, the impurities listed in5.2 The impurities listed in 5.1, and any other identified impurity exceeding 1.0 weight % and the total co
15、ncentration of allimpurities, shall be reported. The total of all measured impurities shall not exceed 4.0 weight %.5.3 Loss-on-IgnitionThe test method and acceptance limits for loss-on-ignition shall be agreed upon between the buyer andthe seller.NOTE 1The buyer may specify limits for any other ele
16、ments (for example, neutron absorbing materials, such as boron) not listed in 5.1.6. Physical Requirements6.1 The particle size distribution shall have a mean value of 6 m or less. The particle size distribution will be determinedutilizing a method approved by the buyer.6.2 Specific Surface AreaThe
17、test method and acceptance limits for specific surface area shall be agreed upon between thebuyer and the seller.7. Cleanliness7.1 The powder lot shall be handled in a manner to avoid contamination by foreign matter such as dust, cleaning agents andorganics, and materials, such as plastics and paper
18、, used in packaging. Cleaning solutions, if used, shall be free of halides andnonvolatile additives and shall be removed from the powder prior to sampling and packaging.8. Sampling8.1 Sampling plans to meet acceptance criteria and inspection and measurement procedures that describe the method ofcomp
19、liance with this specification shall be approved by the buyer. The degree of sampling, where not specified in this specification,varies with the application and for this reason should be specified on the purchase order. Practice E105 is referenced as a guide.8.2 Each sample taken shall be sufficient
20、 for quality control tests, acceptance tests, referee tests, and archive samples asnecessary or desired by the buyer.9. Inspection and Certification9.1 The seller shall inspect the material covered by this specification and shall furnish the buyer with certificates of test andinspection results perf
21、ormed on each powder lot. The certificates shall include the following:9.1.1 Identity of the lot,9.1.2 Individual and total impurities,9.1.3 Particle size distribution and average particle size, mean value,9.1.4 Specific surface area, and9.1.4A9.1.5 A statement that each powder lot is in compliance
22、with the provisions of this specification.10. Rejection and Rehearing10.1 Unless the buyer and seller agree otherwise, rejection and acceptance shall be on a powder lot basis.10.2 Powder lots that fail to conform to the requirements of this specification may be rejected by the buyer. The seller mayp
23、etition the buyer to waive selected requirements for identified out-of-specification lots. Decision to grant such waiver belongs tothe buyer. The buyer shall approve, prior to use, any remedy proposed to bring rejected lots into specification.10.3 In the event of disagreement over the results of che
24、mical analyses, samples shall be submitted to a mutually selectedreferee for resolution.11. Packaging and Package Marking11.1 Aluminum oxide powder shall be packaged in sealed containers to prevent loss or damage or contamination, from airborneor container materials. The exact size and type of packa
25、ging shall be as mutually agreed upon by the buyer and the seller.11.2 Each container shall be clearly marked with the following:11.2.1 Aluminum oxide powder,11.2.2 Purchase order number,C1031 11211.2.3 Purchase order Specification,11.2.4 Gross, net, and tare weight,11.2.5 Lot number,11.2.6 Name of
26、seller, and11.2.7 Container ( ) of ( ).12. Quality Assurance12.1 Quality assurance requirements shall be specified in the purchase order. Code of Federal Regulations, Title 10, Part 50(Appendix B) and ANSI/ASME NQA-1 are referenced as guides.ASTM International takes no position respecting the validi
27、ty of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subjec
28、t to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarte
29、rs. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard
30、is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).C1031 113
