EN ISO 18753-2017 en Fine ceramics (advanced ceramics advanced technical ceramics) - Determination of absolute density of ceramic powders by pycnometer.pdf

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1、Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of absolute density of ceramic powders by pycnometer (ISO 18753:2017)BS EN ISO 18753:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM E

2、N ISO 18753 September 2017 ICS 81.060.30 Supersedes EN ISO 18753:2005English Version Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of absolute density of ceramic powders by pycnometer (ISO 18753:2017) Cramiques techniques - Dtermination de la masse volumique absolue

3、des poudres cramiques laide dun pycnomtre (ISO 18753:2017) Hochleistungskeramik - Bestimmung der absoluten Dichte keramischer Pulver mit einem Pyknometer (ISO 18753:2017) This European Standard was approved by CEN on 6 August 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regula

4、tions which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member

5、. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN

6、 members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, P

7、ortugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitati

8、on in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 18753:2017 ENational forewordThis British Standard is the UK implementation of EN ISO 18753:2017. It is identical to ISO 18753:2017. It supersedes BS EN ISO 18753:2005, which is withdrawn.The UK participatio

9、n in its preparation was entrusted to Technical Committee RPI/13, Advanced technical ceramics.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsib

10、le for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 93844 3ICS 81.060.30Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards P

11、olicy and Strategy Committee on 31 October 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 18753:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 18753 September 2017 ICS 81.060.30 Supersedes EN ISO 18753:2005English Version Fine ceramics (a

12、dvanced ceramics, advanced technical ceramics) - Determination of absolute density of ceramic powders by pycnometer (ISO 18753:2017) Cramiques techniques - Dtermination de la masse volumique absolue des poudres cramiques laide dun pycnomtre (ISO 18753:2017) Hochleistungskeramik - Bestimmung der abso

13、luten Dichte keramischer Pulver mit einem Pyknometer (ISO 18753:2017) This European Standard was approved by CEN on 6 August 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national stand

14、ard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in an

15、y other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Repu

16、blic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

17、EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 18753:20

18、17 EBS EN ISO 18753:2017EN ISO 18753:2017 (E) 3 European foreword This document (EN ISO 18753:2017) has been prepared by Technical Committee ISO/TC 206 “Fine ceramics” in collaboration with Technical Committee CEN/TC 184 “Ergonomics” the secretariat of which is held by DIN. This European Standard sh

19、all be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2018 and conflicting national standards shall be withdrawn at the latest by March 2018. Attention is drawn to the possibility that some of the elements of this documen

20、t may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 18753:2005. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implemen

21、t this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Se

22、rbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 18753:2017 has been approved by CEN as EN ISO 18753:2017 without any modification. ISO 18753:2017(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Prepa

23、ration of measurement 24.1 Sampling . 24.2 Drying of sample . 24.3 Preparation of immersion liquid . 25 Apparatus . 26 Procedure. 37 Calculation 48 Tests in duplicate . 59 Test report . 5Annex A (normative) Reference data for absolute density of distilled water . 6Bibliography 7 ISO 2017 All rights

24、reserved iiiContents PageBS EN ISO 18753:2017ISO 18753:2017(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Preparation of measurement 24.1 Sampling . 24.2 Drying of sample . 24.3 Preparation of immersion liquid . 25 Apparatus . 26 Procedure. 37 Calculation 48 Tests in d

25、uplicate . 59 Test report . 5Annex A (normative) Reference data for absolute density of distilled water . 6Bibliography 7 ISO 2017 All rights reserved iiiContents PageBS EN ISO 18753:2017ISO 18753:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of na

26、tional standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. Intern

27、ational organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those inten

28、ded for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www

29、.iso .org/ directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document

30、 will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the

31、meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared b

32、y Technical Committee ISO/TC 206, Fine ceramics.This second edition cancels and replaces the first edition (ISO 18753:2004), which has been technically revised.The main changes compared to the previous edition are as follows: Clause 6 has been modified to include changes in list items d) and g) and

33、to add a paragraph discussing factors affecting accuracy of test results; Table A.1 has been modified with new reference data for the absolute density of distilled water1.iv ISO 2017 All rights reservedBS EN ISO 18753:2017ISO 18753:2017(E)ForewordISO (the International Organization for Standardizati

34、on) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be re

35、presented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to de

36、velop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the I

37、SO/IEC Directives, Part 2 (see www .iso .org/ directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified dur

38、ing the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the

39、voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword

40、 .html.This document was prepared by Technical Committee ISO/TC 206, Fine ceramics.This second edition cancels and replaces the first edition (ISO 18753:2004), which has been technically revised.The main changes compared to the previous edition are as follows: Clause 6 has been modified to include c

41、hanges in list items d) and g) and to add a paragraph discussing factors affecting accuracy of test results; Table A.1 has been modified with new reference data for the absolute density of distilled water1.iv ISO 2017 All rights reserved INTERNATIONAL STANDARD ISO 18753:2017(E)Fine ceramics (advance

42、d ceramics, advanced technical ceramics) Determination of absolute density of ceramic powders by pycnometer1 ScopeThis document specifies a method for determining the absolute particle density of fine ceramic powders or sintered parts using liquid pycnometry.NOTE Other pycnometer methods like gas py

43、cnometers (e.g. helium pycnometer), where a gas is used as media, also exist.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For

44、undated references, the latest edition of the referenced document (including any amendments) applies.ISO 758, Liquid chemical products for industrial use Determination of density at 20 CISO 3507, Laboratory glassware PyknometersISO 6353-2, Reagents for chemical analysis Part 2: Specifications First

45、seriesISO 6353-3, Reagents for chemical analysis Part 3: Specifications Second seriesISO 8213, Chemical products for industrial use Sampling techniques Solid chemical products in the form of particles varying from powders to coarse lumpsISO/IEC 17025, General requirements for the competence of testi

46、ng and calibration laboratories3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses: ISO Online browsing platform: available at h t t p :/ www .iso .org/

47、 obp IEC Electropedia: available at h t t p :/ www .electropedia .org/ 3.1absolute particle densityabsolute density of ceramic powdersdensity of an individual ceramic particle, a ceramic powder or sintered partsNote 1 to entry: When an enclosed space occurs (pore) inside the particle or part, the sp

48、ace is considered to be part of the individual particle or part. The result of the test is then the absolute density of the ceramic particles or ceramic parts with closed porosity.Note 2 to entry: If the intention of the test is to determine the absolute density of a ceramic material, the test is li

49、mited to particles or parts without closed porosity. ISO 2017 All rights reserved 1BS EN ISO 18753:2017ISO 18753:2017(E)3.2particleceramic powder or an amount of small sintered ceramic partsEXAMPLE Grinding balls or other small parts.Note 1 to entry: When the examined material has closed porosity inside the particles, the measured density is not the absolute density of the material but of the examined part.3.3pycnometrymethod of measuring absolute particle density using a pycnometer4 Preparation of measurement