ASTM C1065-2008(2015) Standard Specification for Nuclear-Grade Zirconium Oxide Powder《核纯级氧化锆粉末的标准规格》.pdf
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1、Designation: C1065 08 (Reapproved 2015)Standard Specification forNuclear-Grade Zirconium Oxide Powder1This standard is issued under the fixed designation C1065; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revis
2、ion. 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 defines the physical and chemicalrequirements for zirconium oxide powder intended for fabri-cation into shape
3、s, either entirely or partially of zirconia, foruse in a nuclear reactor core.1.2 The material described herein shall be particulate innature.1.3 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.2. Referenced Documents2.1 ASTM St
4、andards:2C117 Test Method for Materials Finer than 75-m (No. 200)Sieve in Mineral Aggregates by WashingC371 Test Method for Wire-Cloth Sieve Analysis of Non-plastic Ceramic PowdersC859 Terminology Relating to Nuclear MaterialsC1233 Practice for Determining Equivalent Boron Contentsof Nuclear Materia
5、lsE11 Specification for Woven Wire Test Sieve Cloth and TestSievesE105 Practice for Probability Sampling of Materials2.2 ANSI Standard:3ANSI/ASME NQA-1 Quality Assurance Requirements forNuclear Facility Applications2.3 U.S. Government Standard:4Code of Federal Regulations, Title 10, Part 50, Energy(
6、10 CFR 50) Domestic Licensing of Production and Uti-lization Facilities3. Terminology3.1 Terms shall be defined in accordance with TerminologyC859 except for the following:3.2 buyerthe organization issuing the purchase order.3.3 phase transformationthe rearrangement of the atomicordering of a crysta
7、lline lattice as a material is cycled througha critical transformation or inversion temperature. The changefrom one crystalline phase to another may be accompanied bya volume change that could lead to cracks or defects inproducts fabricated from such materials.3.4 powder lota specified quantity of z
8、irconium oxidepowder (with stabilizing additive, if applicable) blended to-gether such that samples taken in accordance with the proce-dures of Section 8 can be considered as representative of theentire specified quantity.3.5 sellerthe zirconium oxide processor.3.6 stabilizing additivea material whi
9、ch, when added insufficient quantity to the subject material exhibiting the phasetransformation, produces a stabilized crystalline phase thatdoes not undergo a transformation at any temperature withinthe expected fabrication or usage regime of the manufacturedproduct; the potentially deleterious vol
10、ume change is thereforeavoided.4. Ordering Information4.1 The buyer shall specify the following information on theorder:4.1.1 Quantity (weight of delivered product).4.1.2 Nominal particle size range and applicable tolerancesin accordance with U.S. Standard Sieve Series (SpecificationE11). Test Metho
11、d C371 and Test Method C117 and Specifi-cation E11 may be applied for particles larger than 37 m. Forparticle sizes less than 37 m, the particle size distribution willbe determined using a method agreed upon between the buyerand the seller.4.1.3 Stabilizing AdditiveThe amount and types of stabi-lizi
12、ng additives (if any, including limits).4.1.4 Lot size.4.1.5 Sampling requirements.5. Chemical Composition5.1 A stabilizing additive may be used with the zirconiumoxide. The recommended stabilizing additive is either calcium1This specification is under the jurisdiction of ASTM Committee C26 onNuclea
13、r Fuel Cycle and is the direct responsibility of Subcommittee C26.03 onNeutron Absorber Materials Specifications.Current edition approved Jan. 1, 2015. Published January 2015. Originallyapproved in 1987. Last previous edition approved in 2008 as C1065 08. DOI:10.1520/C1065-08R15.2For referenced ASTM
14、 standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th
15、Floor, New York, NY 10036, http:/www.ansi.org.4Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 194
16、28-2959. United States1oxide (CaO) or yttrium oxide (Y2O3). The recommendedadditive concentration in the case of CaO stabilization is 4 to8 weight %. In the case of Y2O3stabilization, the recom-mended additive concentration is 14 to 20 weight %.5.2 Use analytical chemistry methods as agreed upon be-
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