EN ISO 2178-2016 en Non-magnetic coatings on magnetic substrates - Measurement of coating thickness - Magnetic method《磁性基体-涂层厚度-磁法测量非磁性涂层(ISO 2178 2016)》.pdf
《EN ISO 2178-2016 en Non-magnetic coatings on magnetic substrates - Measurement of coating thickness - Magnetic method《磁性基体-涂层厚度-磁法测量非磁性涂层(ISO 2178 2016)》.pdf》由会员分享,可在线阅读,更多相关《EN ISO 2178-2016 en Non-magnetic coatings on magnetic substrates - Measurement of coating thickness - Magnetic method《磁性基体-涂层厚度-磁法测量非磁性涂层(ISO 2178 2016)》.pdf(48页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationBS EN ISO 2178:2016Non-magnetic coatingson magnetic substrates Measurement of coatingthickness Magnetic methodBS EN ISO 2178:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 2178:2016.It supersedes BS EN ISO 2178:1995 which is wi
2、thdrawn.The UK participation in its preparation was entrusted to Technical Committee STI/33, Electrodeposited and related coatings.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 provisio
3、ns of a contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 82783 9 ICS 25.220.40; 25.220.50 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard wa
4、s published under the authority of the Standards Policy and Strategy Committee on 30 April 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 2178 April 2016 ICS 25.220.40; 25.220.50 Supersedes EN ISO 2178:1995Engli
5、sh Version Non-magnetic coatings on magnetic substrates - Measurement of coating thickness - Magnetic method (ISO 2178:2016) Revtements mtalliques non magntiques sur mtal de base magntique - Mesurage de lepaisseur du revtement - Mthode magntique (ISO 2178:2016) Nichtmagnetische berzge auf magnetisch
6、en Grundmetallen - Messen der Schichtdicke - Magnetverfahren (ISO 2178:2016) This European Standard was approved by CEN on 27 February 2016. 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 nati
7、onal 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. This European Standard exists in three official versions (English, French, German). A ver
8、sion 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 members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus,
9、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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom
10、. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 2178:2
11、016 EBS EN ISO 2178:2016EN ISO 2178:2016 (E) 3 European foreword This document (EN ISO 2178:2016) has been prepared by Technical Committee ISO/TC 107 “Metallic and other inorganic coatings“ in collaboration with Technical Committee CEN/TC 262 “Metallic and other inorganic coatings” the secretariat o
12、f which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2016, and conflicting national standards shall be withdrawn at the latest by October 2016. Attention is drawn to the
13、 possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 2178:1995. According to the CEN-CENELEC Internal Regulations, the national stan
14、dards organizations of the following countries are bound to implement 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, L
15、uxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 2178:2016 has been approved by CEN as EN ISO 2178:2016 without any modification BS EN ISO 2178:2016ISO 2178:2016(E)Forew
16、ord v1 Scope . 12 Normative references 13 Terms and definitions . 14 Principle of measurement 24.1 Basic principle of all magnetic measurement methods . 24.2 Magnetic pull-off method . 24.3 Magnetic inductive principle 34.4 Magnetic flux gauge 55 Factors affecting measurement accuracy . 65.1 Basic i
17、nfluence of the coating thickness . 65.2 Magnetic properties of the base metal . 65.3 Electrical properties of the coating materials 75.4 Geometry: base metal thickness 75.5 Edge effect . 75.6 Geometry: surface curvature 75.7 Surface roughness 85.8 Cleanliness: lift-off effect 85.9 Probe pressure 85
18、.10 Probe tilt . 85.11 Temperature effects 95.12 External electromagnetic fields 96 Calibration and adjustment of the instrument . 96.1 General . 96.2 Thickness reference standards . 96.3 Methods of adjustment . 107 Measurement procedure and evaluation .107.1 General 107.2 Number of measurements and
19、 evaluation . 118 Uncertainty of the results .118.1 General remarks . 118.2 Uncertainty of the calibration of the instrument .128.3 Stochastic errors . 138.4 Uncertainties caused by factors summarized in Clause 5 138.5 Combined uncertainty, expanded uncertainty and final result 149 Precision 149.1 G
20、eneral 149.2 Repeatability (r) 149.3 Reproducibility limit (R) 1510 Test report 15Annex A (informative) Basic principle of all measurement methods .17Annex B (informative) Basic performance requirements for coating thickness gauges which are based on the magnetic method described in this Internation
21、al Standard .19Annex C (informative) Examples of experimental estimation of factors affecting the measurement .21Annex D (informative) Example of uncertainty estimation (see Clause 8) .26Annex E (informative) Basics of the determination of the uncertainty of a measurement of the used measurement met
22、hod corresponding to ISO/IEC Guide 98-3 .29 ISO 2016 All rights reserved iiiContents PageBS EN ISO 2178:2016ISO 2178:2016(E)Annex F (informative) Table of the student factor 31Annex G (informative) Details on precision .32Bibliography .37iv ISO 2016 All rights reservedBS EN ISO 2178:2016ISO 2178:201
23、6(E)ForewordISO (the International Organization for Standardization) 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
24、a technical committee has been established has the right to be represented 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 matt
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