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-
17、tween the buyer and the seller.5.3 Impurity ConcentrationThe impurity concentrationexcluding the stabilizing additives shall not exceed 0.5weight %. Individual element limits are specified in Table 1.The buyer may specify additional limits for elements not listedin Table 1.5.4 The total equivalent b
18、oron content (EBC) shall notexceed 500 g/g on a mass basis relative to ZrO2. The totalEBC is the sum of the individual EBC values. The method ofperforming the calculation shall be as indicated in PracticeC1233.6. Physical Requirements6.1 The nominal particle size, particle size distribution andappli
19、cable tolerances, shall be specified on the purchase order.7. Cleanliness7.1 The powder shall be handled in a manner to avoidcontamination by foreign matter such as dust, cleaning agentsand organics, and materials such as plastics and paper used inpackaging. Cleaning solutions, if used, shall be fre
20、e of halidesand nonvolatile additives and shall be removed from thepowder prior to sampling and packaging.8. Sampling8.1 Sampling plans to meet acceptance criteria and inspec-tion and measurement procedures that describe the method ofcompliance with this specification shall be approved by thebuyer p
21、rior to use. The degree of sampling shall be specified onthe purchase order. Practice E105 is referenced as a guide.8.2 Sufficient sampling shall be taken, as needed, for qualityverification tests, acceptance tests, referee tests and archivesamples.8.3 Archive samples shall be retained and disposed
22、inaccordance with the buyers instructions.9. Inspection and Certification9.1 The seller shall inspect the material covered by thisspecification and shall furnish the buyer with certificates oftests showing the results of testing and inspection performed oneach powder lot.9.2 The seller shall certify
23、 that each powder lot is incompliance with the provisions of this specification.10. Rejection and Rehearing10.1 Unless the buyer and seller agree otherwise, rejectionand acceptance shall be on a lot basis.10.2 Powder lots that fail to conform to the requirements ofthe specification may be rejected b
24、y the buyer. The seller maypetition the buyer to waive selected requirements for identifiedout-of-specification lots. The decision to grant such waiverbelongs to the buyer. The seller may also apply any remedy tobring rejected lots into specification providing the seller candemonstrate to the buyer
25、that such remedy does not impair thefunction or preclude the certification of the rejected material.10.3 In the event of disagreement over the results ofanalysis, samples shall be submitted to a mutually selectedreferee for resolution.11. Packaging and Package Marking11.1 The powder shall be package
26、d in sealed containers forshipment from the seller to the buyer. The seller will beresponsible for using a shipping container which ensurescleanliness, minimizes moisture pickup, provides adequateprotection against damage during transportation, and ensuresreasonable ease of unpackaging.11.2 Each con
27、tainer shall be clearly marked with the fol-lowing:11.2.1 Zirconium oxide powder plus stabilizing additive, ifapplicable,11.2.2 Purchase order number,11.2.3 Purchase order specification,11.2.4 Gross, tare, and net weight,11.2.5 Lot number, and11.2.6 Name of seller.12. Quality Assurance12.1 Quality A
28、ssurance requirements shall be agreed uponbetween the buyer and the seller when specified in the purchaseorder. Code of Federal Regulations, Title 10, Part 50,AppendixB, and ANSI/ASME NQA-1 are referenced as guides.13. Keywords13.1 CaO; powder; stabilizing additive; Y203; zirconiumoxideTABLE 1 Impur
29、ity Concentration LimitsElementMaximum ConcentrationLimit (g/g Powder)Hf 200B 100Gd 50Gd+Sm+Eu+Dy 200Co 100Si 2000F3F+Cl+Br+I 100Fe 1000CaA3000Mg 1200Al 1500Ti 100Th 400AThis number will be higher if used as a stabilizing additive.C1065 08 (2015)2ASTM International takes no position respecting the v
30、alidity 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 s
31、ubject 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 Headq
32、uarters. 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 stan
33、dard 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 Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 08 (2015)3
