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    ASD-STAN PREN 3027-1992 Aerospace Series Test Method for Dry Film Lubricants Salt Spray Test (Edition 1)《航空航天系列 干膜润滑剂盐雾试验用试验方法 第1版》.pdf

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    ASD-STAN PREN 3027-1992 Aerospace Series Test Method for Dry Film Lubricants Salt Spray Test (Edition 1)《航空航天系列 干膜润滑剂盐雾试验用试验方法 第1版》.pdf

    1、CEN PRENx3027 92 m 3404589 0039980 49T m Approved by COMITE DE NORMALISATION Of A.E.C.M.A.1992-12-31 A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM The equivalent wrsions in fnnch and German languages can be supplied by B.N.A.E. - Technopolis 54 - 199, NO Jean-Jacques Rousseau 92138 ISSY - LES

    2、 - MOULINEAUX CEDEX -FRANCE prEN 3027 Edition 1 December 1992 EDITE PAR LASSOCIATION EUROPtENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopoiis - 175, rue Jeen-Jacques Rousseau - F-92138 issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Key words : Srie arospatiale Mthode dessai pourfilms

    3、lubrifiants solides Essai au brouillard salin ENGLISH VERSION Aerospace series Test method for dry film lubricants Salt spray test Luft- und Raumfahrt Prfverfahren fr Trockenschrniermittelfilme Salzsprhnebelprfung This “Aerospace series“ standard has been drawn up under the responsibility of AECMA (

    4、Association Europenne des Constructeurs de Matriel Arospatial). t is published on yellow paper in three equivalent versions English, French, German). It will be submitted as a draft European Standard to CEN European Committee for Standardization) for final vote. aecma 1992 CEN PREN*3027 92 3404589 0

    5、03998L 326 = prEN 3027 Page 3 1 Scope and field of application This standard specifies a test method to verify that dry film lubricants ensure the required corrosion protection after exposure to salt spray. 2 References IS0 9227 EN 2491 EN 2793 Corrosion tests in artificial atmospheres - Salt spray

    6、tests Aerospace series - Molybdenum disulphide dry film lubricants applied to fasteners l) Aerospace series - Phosphate treatment of ferrous alloys EN 3021 Aerospace series - Molybdenum disulphide dry lubricants to be applied as a film - Technical specification 1 ) Aerospace series - Test method for

    7、 dry film lubricants - Thickness measurement 2, EN 3032 3 Specimens and test equipment Three specimens in 0,18 % (nominal) carbon steel of about de 75 mm x 150 mm x 3 mm. An apparatus suitable for the measurementof the coating thickness and a salt spray chamber to IS0 9227. 4 Procedure Degrease the

    8、specimens and dry abrasive blast both surfaces and edges of the specimens with clean dry alumina of 125 pm grain size. Phosphate the specimens according to EN 2793 : zinc phosphate to a mass per unit area of not less than 7 gim or manganese phosphate to a mass per unit area of not less than 4 glm. M

    9、easure the thickness of the specimen taking care not to damage the phosphating. Apply the dry lubricant to the surfaces and edges in accordance with EN 2491. After curing, to avoid the edge effect, seal the edges on 10 mm width with a suitable sealing compound. In preparation at the date of publicat

    10、ion of this standard 2, Published as AECMA standard at the date of publication of this standard Previous page is blank CEN PREN*3027 92 3404589 0039982 2b2 prEN 3027 Page 4 Verify according io EN 3032 that the thickness meets the requirements of EN 3021. Test the specimens according to IS0 9227. Afl

    11、er an exposure for 96 h, remove them and rinse them in deionized water to remove salt residues. 5 Expression of recuits Examine the specimens visually, note the number and size of any rust spots and the number of blisters on each specimen. 6 Test report It shall include the following: - reference to this standard, - film designation to EN 3021, - application method to EN 2491 - curing conditions, - visual inspection results.


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