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    BS EN ISO 9934-2-2015 Non-destructive testing Magnetic particle testing Detection media《无损检验 磁粉检验 探伤媒介》.pdf

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    BS EN ISO 9934-2-2015 Non-destructive testing Magnetic particle testing Detection media《无损检验 磁粉检验 探伤媒介》.pdf

    1、BSI Standards PublicationBS EN ISO 9934-2:2015Non-destructive testing Magnetic particle testingPart 2: Detection mediaBS EN ISO 9934-2:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 9934-2:2015. It supersedes BS EN ISO 9934-2:2002 which iswithdrawn.The

    2、 UK participation in its preparation was entrusted to Technical Committee WEE/46, Non-destructive testing.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 a

    3、re responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 82608 5 ICS 19.100 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the

    4、Standards Policy and Strategy Committee on 30 September 2015.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORMEN ISO 9934-2 September 2015 ICS 19.100 Supersedes EN ISO 9934-2:2002English Version Non-destructive testing - Magnetic partic

    5、le testing - Part 2: Detection media (ISO 9934-2:2015) Essais non destructifs - Magntoscopie - Partie 2: Produits indicateurs (ISO 9934-2:2015) Zerstrungsfreie Prfung - Magnetpulverprfung - Teil 2: Prfmittel (ISO 9934-2:2015) This European Standard was approved by CEN on 10 July 2015. CEN members ar

    6、e bound to comply with the CEN/CENELEC Internal Regulations 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

    7、the CEN-CENELEC Management Centre or to any CEN member. 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 Ce

    8、ntre has the same status as the official versions. CEN 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, Lithua

    9、nia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-10

    10、00 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 9934-2:2015 EBS EN ISO 9934-2:2015EN ISO 9934-2:2015 (E) 3 European foreword This document (EN ISO 9934-2:2015) has been prepared by Technical CommitteeCEN/TC 138

    11、 “Non-destructive testing”, the secretariat of which is held by AFNOR, in collaboration withTechnical Committee ISO/TC 135 “Non-destructive testing”. This European Standard shall be given the status of a national standard, either by publication of anidentical text or by endorsement, at the latest by

    12、 March 2016, and conflicting national standards shallbe withdrawn at the latest by March 2016. Attention is drawn to the possibility that some of the elements of this document may be the subject ofpatent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patentr

    13、ights. This document supersedes EN ISO 9934-2:2002. According to the CEN-CENELEC Internal Regulations, the national standards organizations of thefollowing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland,

    14、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 the United Kingdom. Endorsement notice The text of ISO 9934-

    15、2:2015 has been approved by CEN as EN ISO 9934-2:2015 without anymodification. BS EN ISO 9934-2:2015ISO 9934-2:2015(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Safety precautions 25 Classification 25.1 General . 25.2 Magnetic inks 25.3 Powders. 26 Testing and test ce

    16、rtificate . 26.1 Type testing and batch testing 26.2 In-service testing . 27 Requirements and test methods 27.1 Performance 27.1.1 Type testing and batch testing . 27.1.2 In-service testing . 37.1.3 Contrast aid paints . 37.2 Colour 37.3 Particle size 37.3.1 Method 37.3.2 Definition of the particle

    17、size 37.4 Temperature resistance. 37.5 Fluorescent coefficient and fluorescent stability 37.5.1 Type testing 47.5.2 Batch testing 57.6 Fluorescence of carrier liquid 57.7 Flash point 57.8 Corrosion induced by detection media 57.8.1 Corrosion testing on steel 57.8.2 Corrosion testing of copper 57.9 V

    18、iscosity of the carrier liquid . 57.10 Mechanical stability 57.10.1 Long term test (endurance test) . 57.10.2 Short-term test 67.11 Foaming . 87.12 pH . 87.13 Storage stability . 87.14 Solids content . 87.15 Sulfur and halogen content 88 Testing requirements 89 Test report . 910 Packaging and labell

    19、ing 9Annex A (normative) Procedure for type, batch, and in-service testing 10Annex B (normative) Reference blocks .12Annex C (normative) Corrosion testing of steel 17Bibliography .21 ISO 2015 All rights reserved iiiContents PageBS EN ISO 9934-2:2015ISO 9934-2:2015(E)ForewordISO (the International Or

    20、ganization 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 a technical committee has been establ

    21、ished 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 matters of electrotechnical standardizati

    22、on.The procedures used to develop 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

    23、the editorial rules of the ISO/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 pat

    24、ent rights identified during 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

    25、an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.ISO 9934-2 was prepared by the

    26、European Committee for Standardization (CEN) Technical Committee CEN/TC 138, Non-destructive testing, in collaboration with ISO/TC 135, Non-destructive testing, Subcommittee SC 2, Surface methods, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).This s

    27、econd edition cancels and replaces the first edition (ISO 9934-2:2002), which has been technically revised.ISO 9934 consists of the following parts under the general title Non-destructive testing Magnetic particle testing: Part 1: General principle Part 2: Detection media Part 3: Equipmentiv ISO 201

    28、5 All rights reservedBS EN ISO 9934-2:2015INTERNATIONAL STANDARD ISO 9934-2:2015(E)Non-destructive testing Magnetic particle testing Part 2: Detection media1 ScopeThis part of ISO 9934 specifies the significant properties of magnetic particle testing products (including magnetic ink, powder, carrier

    29、 liquid, contrast aid paints) and the methods for checking their properties.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated ref

    30、erences, the latest edition of the referenced document (including any amendments) applies.ISO 2160, Petroleum products Corrosiveness to copper Copper strip testISO 2591-1, Test sieving Part 1: Methods using test sieves of woven wire cloth and perforated metal plateISO 3059, Non-destructive testing P

    31、enetrant testing and magnetic particle testing Viewing conditionsISO 3104, Petroleum products Transparent and opaque liquids Determination of kinematic viscosity and calculation of dynamic viscosityISO 4316, Surface active agents Determination of pH of aqueous solutions Potentiometric methodISO 9934

    32、-1, Non-destructive testing Magnetic particle testing Part 1: General principleISO 9934-3, Non-destructive testing Magnetic particle testing Part 3: EquipmentISO 12707, Non-destructive testing Terminology Terms used in magnetic particle testingEN 1330-1, Non-destructive testing Terminology Part 1: L

    33、ist of general termsEN 1330-2, Non-destructive testing Terminology Part 2: Terms common to the non-destructive testing methodsEN 1330-7, Non-destructive testing Terminology Part 7: Terms used in magnetic particle testingEN 10083-2, Quenched and tempered steels Part 2: Technical delivery conditions f

    34、or non-alloy steelsEN 10204, Metallic products Types of inspection documents3 Terms and definitionsFor the purposes of this document, the terms and definitions given in EN 1330-1, EN 1330-2, EN 1330-7, ISO 12707, and the following apply.3.1batchquantity of material produced during one manufacturing

    35、operation having uniform properties throughout and with a unique identifying number or mark ISO 2015 All rights reserved 1BS EN ISO 9934-2:2015ISO 9934-2:2015(E)4 Safety precautionsThe materials used in magnetic particle inspection and those used in their testing include chemicals that can be harmfu

    36、l, flammable, and/or volatile. All necessary precautions should be observed. All relevant regulations, including national and local regulations pertaining to health and safety, anti-pollution requirements, etc., shall be observed.5 Classification5.1 GeneralThe magnetic particle materials covered by

    37、this specification shall be classified as follows.5.2 Magnetic inksMagnetic inks shall consist of finely divided coloured or fluorescent magnetic particles in a suitable carrier liquid. They shall form a uniform suspension when agitated.Magnetic inks can be produced from products supplied as concent

    38、rates, including paste and powders, or ready for use.5.3 PowdersPowders for the dry technique shall consist of finely divided coloured or fluorescent magnetic particles.6 Testing and test certificate6.1 Type testing and batch testingType testing and batch testing of magnetic particle materials shall

    39、 be carried out in accordance with the requirements of ISO 9934-1, ISO 9934-2, and ISO 9934-3.Type testing is carried out in order to demonstrate suitability of a product for the intended use. Batch testing is carried out in order to demonstrate conformity of the characteristics of a batch to the pr

    40、oduct type specified.The supplier shall provide a test certificate showing compliance with this International Standard having used the methods detailed. This certificate shall include results obtained and tolerances allowed.If any changes are made to the detection media, then a new type test shall b

    41、e performed.6.2 In-service testingInservice testing is carried out to demonstrate the continued performance of the detection media.7 Requirements and test methods7.1 Performance7.1.1 Type testing and batch testingType testing and batch testing shall be carried out according to Annex A using the refe

    42、rence blocks type 1 or type 2 as described in Annex B.2 ISO 2015 All rights reservedBS EN ISO 9934-2:2015ISO 9934-2:2015(E)7.1.2 In-service testingIn-service testing shall be carried out according to Annex A using one of the reference blocks type 1 or type 2 as described in Annex B or a test block w

    43、hich exhibit similar discontinuities to those normally found in components typically processed in the equipment.7.1.3 Contrast aid paintsType testing and batch testing shall be carried out according to 7.1.1 after having applied the paint in accordance with the manufacturer instructions and using a

    44、type test approved, compatible magnetic ink.7.2 ColourThe colour of magnetic particles detection media under working conditions shall be stated by the supplier.The colour of the batch test sample shall not differ from the colour of the type test sample when visually compared.7.3 Particle size7.3.1 M

    45、ethodThe method for determination of particle size is dependent on the range of the particle size distribution. For magnetic inks, the particle size distribution can be determined by the Coulter Method 2or an equivalent method.7.3.2 Definition of the particle sizeThe range of particle size shall be

    46、as follows: lower diameter, dl: no more than 10 % of the particles shall be smaller than dl; average diameter, da: 50 % of the particles shall be larger and 50 % by volume smaller than da; upper diameter, du: no more than 10 % by volume of the particles shall be larger than du.dl, da, and dushall be

    47、 reported.For dry powders, dlis generally 40 m.7.4 Temperature resistanceThere shall be no degradation of the product after 5 min heating at the maximum temperature specified by the supplier. This shall be verified by repeating the performance test as specified in 7.1.1.7.5 Fluorescent coefficient a

    48、nd fluorescent stabilityTo carry out these tests, it is necessary to use a dry sample of the particles. ISO 2015 All rights reserved 3BS EN ISO 9934-2:2015ISO 9934-2:2015(E)7.5.1 Type testing7.5.1.1 MethodThe fluorescent coefficient in cd/W is defined as given in Formula (1):=LEe(1)whereL is the lum

    49、inance in cd/m2of a plane powder surface;Eeis the level of UV-irradiance in W/m2at the surface of the powder.The arrangement of the apparatus used is shown in Figure 1.The powder surface shall be evenly irradiated with UV-A at an angle of 45 5. Luminance shall be measured with a suitable meter with an accuracy of 10 % or better. It shall measure the luminance from the powder surface and be unaffected by areas outside of the target area. The level of irradiance shall be measured with a meter


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