1、CEN EN+2830 93 m 3404589 042b52 34T m EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2830: 1993 February 1993 UM: 621.793:620.176:629.7 Descripton: Aircraft industry, metal coathgs, coating processes, edhesion tests English version Aerospace series - Adhesion test for metallic coatingsbysheari
2、ngaction Srie arospatiale - Essai dadhrence des revteniants nitalliques par cisaillage Luft- und Raumfahrt - Prfung der Haftfestigkelt von metallischen Beschichtungen durch Scherbeanspnrchung This European Standard was approved by CEN on 1993-02-19. CEN rmnbers are bcund to canply with the CEN/CENEL
3、EC 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 refe- concrning such national standards may be obtained on application to the Central Secretariat or ta any CEN memb
4、er. The European Standards exist in three official versions (English, French, German). A version in any other languape made by translation under the responsibiltty of a CEN member into its ovn language and notified ta the Central Secretariat has the same status as the official versiom. CEN members a
5、re the national standards bodies of Austria, Belgium. Denmark. Finland, France, Germany, Greece. Iceland. Ireland, Italy, Luxembourg. Netherlands, Norway. Portugal, Spain, Sweden, Switzerland and United Kingdom. European kittee for Standardization hit Europen de Normalisation Europisches Komitee fr
6、Normung central secrptariat: rue de Strssart.36 8-1050 BNssels o 1993 bpyclqht reserved to CEN members Ref. No. EN 2x):1993 E CEN EN+2830 93 3404589 0042b53 286 Page 2 EN 2830:1993 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After
7、 inquiries and votes carried out in accordance with the rules of this Association, this Standard has successively received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the
8、 status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 1993, and conflicting national standards shall be withdrawn at the latest by August 1993. According to the CEN/CENELEC Internal Regulations, the following countries are bound to impl
9、ement this European Standard : Austria, Belgium, Demark, Finland, France, Gennany, Greece, Iceland, Ireland, Italy, Luxembourg , Netherlands 8 Norway, Portugal , Spain, Sweden , Switzerland and United Kingdom. 6 1 CEN EN*2830 73 m 3404587 0042b54 112 m Page 3 EN 2830:1993 1 Scope This standard speci
10、fies the test method to determine the adhesion of metallic coatings by shearing action. It applies to coatings with a hardness : - 75 prn, - 2 250 HV to 700 HV and a thickness of 2 15 pm. It is applicable whenever referenced. 2 Normative references This European Standard incorporates by dated or und
11、ated reference, provisions from other publications. These normative reference are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publication apply to this European Standard only when i
12、ncorporated in it by amendment or revision. For undated references the latest edition of the publication referted to applies. IS0 234-2 Files and rasps - Part 2 : Characteristics of cut 3 Test equipment - Vice and hack saw, - Flat saw-file (with one cut), bastard type, 150 mm, 200 mm or 250 mm long,
13、 in accordance with IS0 234-2 clean. 4 Procedure Cut the test specimen with the saw in order to obtain a test surface that is compatible with the file used. File the section in a horizontal position from the substrat towards the coating. The file shall be applied on the surface only during the forwa
14、rd stroke. 5 Fault sanction No flaking is permissible after visual inspection with the naked eye. 6 Test report It shall include the following : - reference to this standard; - reference number of the part or test specimen; - nature of thi coating; - thickness of the coating; - test surface of the test specimen cut with saw; - type of file used; - test result.
