SAE AMS 2483C-2010 Blackening Solution for Aluminum Touch-Up Solution《涂铝修整方案用涂黑处理方法》.pdf

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1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref

2、rom, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2015 SAE InternationalAll rights reserved. No part of this publi

3、cation may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada)Tel: +1 724-776-4970 (ou

4、tside USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS2483CAEROSPACEMATERIAL SPECIFICATIONAMS2483 REV. CIssued 1983-10Revised 2010-04Reaffirmed

5、 2015-06Superseding AMS2483BBlackening Solution for AluminumTouch-Up SolutionRATIONALEAMS2483C has been reaffirmed to comply with the SAE five-year review policy.1. SCOPE 1.1 Purpose This specification covers a blackening solution, applied at room temperature, to damaged or reworked surfaces of blac

6、k-dyed anodized (AMS2472) aluminum to provide a uniform ebony-black surface. 1.2 Application This solution has been used typically for touch-up of dyed anodic coatings used for decorative and optical applications, but usage is not limited to such applications. 1.3 Safety - Hazardous Materials While

7、the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the sa

8、fe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the exte

9、nt specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply. 2.1 SAE Publications

10、 Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS2472 Anodic Treatment of Aluminum Alloys, Sulfuric Acid Process, Dyed Coating AMS4037 Aluminum Alloy Sheet and Plate, 4.4Cu -

11、 1.5Mg - 0.60Mn (2024; -T3 Flat Sheet, -T351 Plate), Solution Heat Treated 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM B 117 Operating Salt Spray (Fog) Testing Apparatus ASTM D

12、2247 Testing Water Resistance of Coatings in 100% Relative Humidity 3. TECHNICAL REQUIREMENTS 3.1 Composition shall be established by the solution supplier to yield a product conforming to the requirements of 3.2. 3.2 Properties Coated test panels shall conform to the following requirements. 3.2.1 C

13、orrosion Resistance Coated test panels shall withstand, without evidence of corrosion, exposure for not less than either (1) 120 hours to humidity test conducted in accordance with ASTM D 2247, except that the temperature in the humidity cabinet shall be 122 F 5 (50 C 3) or (2) 24 hours continuous s

14、alt spray conducted in accordance with ASTM B 117. 3.2.2 Blackening Ability Solution shall form a coating that completely covers the existing bare aluminum surface providing a uniform, ebony-black surface that is free from smut when wiped with a clean, dry, white cloth. 3.2.3 Dimensional Change Solu

15、tion shall cause no change in dimensions of test panels, measured by micrometer. 3.3 Quality The blackening solution, as received by purchaser, shall be uniform in quality and condition and free from foreign materials and from other contaminants detrimental to usage of the product. 3.3.1 Applied coa

16、ting on polished surfaces shall have a uniform, lustrous black color. Coating on non-polished surfaces shall be black or dark gray in color and uniform on areas of equivalent surface finish. An overall reddish-brown cast on a basically black color is acceptable. 3.3.2 Coating shall not cause damage

17、or degradation of existing anodic coatings on aluminum surfaces and shall not rub off under normal handling. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The supplier of the blackening solution shall supply all samples for suppliers tests and shall be responsible for the perform

18、ance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the blackening solution conforms to the requirements of this specification. 4.2 Classification of Tests All technical requirements are acceptance tests and and s

19、hall be performed on each lot and when the cognizant engineering organization requires confirmatory testing. SAE INTERNATIONAL AMS2483C Page 2 of 4_ 4.3 Sampling for Testing 4.3.1 Sufficient blackening solution shall be taken at random from each lot to perform all required tests. The number of deter

20、minations for each requirement shall be as specified in the applicable test procedure or, if not specified therein, not less than three. A lot shall be all blackening solution manufactured at one time from one batch each of raw materials. 4.3.2 Samples for determining conformance to the requirements

21、 of 3.2 shall be two panels of AMS4037 (2024T3xx) aluminum alloy, approximately 0.040 x 3 x 3 inches (1 x 76 x 76 mm), anodized and dyed black in accordance with AMS2472. An area of the anodized coating shall be removed using 240 grit abrasive paper. Clean the panels by wiping with a cloth dampened

22、with a suitable solvent, coat the abraded area with the blackening solution at room temperature using either swab or dip method, rinse, and dry in accordance with suppliers recommendations. Blackening solution shall be applied to the panels at the lowest use dilution recommended by the supplier. 4.4

23、 Reports The supplier of the blackening solution shall furnish with each shipment a report stating that the blackening solution conforms to the specified requirements and that it conforms to acceptance test requirements. This report shall include the purchase order number, lot number, AMS2483C, supp

24、liers identification, and quantity. 4.5 Resampling and Retesting If any sample used in the above tests fails to meet the specified requirements, disposition of the blackening solution may be based on the results of testing three additional samples for each original nonconforming sample. Failure of a

25、ny retest sample to meet the specified requirements shall be cause for rejection of the blackening solution represented. Results of all tests shall be reported. 5. PREPARATION FOR DELIVERY 5.1 Packaging and Identification 5.1.1 Packaging shall be accomplished to ensure that the blackening solution,

26、during shipment and storage, will be protected against damage from exposure to weather or any other normal hazards. 5.1.2 Blackening solution shall be packaged in containers of a type and size acceptable to purchaser. 5.1.2.1 A lot of solution may be packaged in small quantities and delivered under

27、the basic lot approval provided lot identification is maintained. 5.1.3 Product shall be assigned a unique identification number, letter, name, or combination of these, representative of the materials and processes used to make the product. This identification shall be changed if there is any change

28、 in material or manufacturing process. 5.1.4 Each container shall be legibly marked with not less than AMS2483C, purchase order number, suppliers identification, lot number, date of manufacture, quantity, and directions for use and precautions for storage. 5.1.5 Containers of blackening solution sha

29、ll be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the solution to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENT The supplier shall mention this speci

30、fication number and its revision letter in all quotations and when acknowledging purchase orders. SAE INTERNATIONAL AMS2483C Page 3 of 4_ 7. REJECTIONS Blackening solution not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES 8.1 A

31、change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, inclu

32、ding technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Anodizing results in an increase in external dimensions of the basis metal. Removal of anodize decreases those dimensions. The blackening process does not re

33、store the anodized dimensions. 8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.4 Purchase documents should specify not less than the following: AMS2483C Type and size of containers desired Quantity of blackening solution desired. PREPARED BY AMS COMMITTEE “B“ SAE INTERNATIONAL AMS2483C Page 4 of 4_