SAE J2334-2002 Cosmetic Corrosion Lab Test.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 therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2002 Society of Automotive Engineers, Inc. All rights reserved. No part of
3、this publication 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: 724-776-4
4、970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS:http:/www.sae.org SURFACE VEHICLE STANDARD J2334 REV. OCT2002 Issued1998-06 Revised2002-10 Superseding J2334 JUN1998 Cosmetic Corrosion Lab Test ForewordThis cosmetic corrosion lab test procedure is based on field correlated l
5、ab test procedure parameters as determined by a Design of Experiment process conducted by the SAE Automotive Corrosion and Prevention Committee (SAE/ACAP) and the Auto/Steel Partnership (A/SP) Corrosion Task Force. Results from this test will provide excellent correlation to severe corrosive field e
6、nvironments with respect to cosmetic corrosion performance. For historical information on the development of this test, refer to 2.1.4. A typical automotive paint system was used to develop this test. See 2.1.4, 1 to 5. If a different type of coating system is used, field correlation must be determi
7、ned. 1.ScopeThe SAE J2334 lab test procedure should be used when determining cosmetic corrosion performance for a particular coating system, substrate, process, or design. Since it is a field correlated test, it can be used as a validation tool as well as a development tool. If corrosion mechanisms
8、other than cosmetic or general corrosion are to be examined using this test, field correlation must be established. 2.References 2.1Applicable PublicationsThe following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest version of SA
9、E publications shall apply. 2.1.1SAE PUBLICATIONAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J1563Guidelines for Laboratory Cyclic Corrosion Test Procedures for Painted Automotive Parts 2.1.2ASTM PublicationsAvailable from ASTM, 100 Barr Harbor Drive, West Conshohocken,
10、 PA 19428-2959. ASTM D 1193Specification for Reagent Water ASTMD1654Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments ASTM D 1735Practice for Testing Water Resistance of Coatings Using Water Fog Apparatus ASTM D 2247Practice for Testing Water Resistance of Coat
11、ings in 100% Relative Humidity ASTM E 70-90Test Method for pH of Aqueous Solutions with the Glass Electrode ASTM G 1Recommended Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens SAE J2334 Revised OCT2002 -2- 2.1.3GENERAL MOTORS PUBLICATIONSAvailable from Global Engineering Do
12、cuments, 15 Inverness Way East, Englewood, CO 80112. GM 9540P 2.1.4OTHER PUBLICATIONS 1.Townsend, H. E., “Development of an Improved Laboratory Corrosion Test by the Automotive and Steel Industries,” in Advanced Coatings Technology, Proceedings of the fourth Annual ESD Advanced Coatings Conference,
13、The Engineering Society, Ann Arbor, MI, 1994, pp. 29-49. 2.Roudabush, L.A., Townsend, H.E., and McCune, D.C., “Update on the Development of an Improved Cosmetic Corrosion Test by the Automotive and Steel Industries,” Automotive Corrosion and Prevention Conference Proceedings, P-268, Society of Autom
14、otive Engineers, Warrendale, PA, 1993, pp. 53-63. 3.Townsend, H.E., “Accelerated Corrosion Testing: A Cooperative Effort by the Automotive and Steel Industries, “ Proceedings of the Symposium on Corrosion-Resistant Automotive Sheet Steels, ASM Materials Congress, ASM International, Metals Park, OH,
15、1988, pp. 55-67. 4.Townsend, H.E., “Status of a Cooperative Effort by the Automotive and Steel Industries to Develop a Standard Accelerated Corrosion Test,” Automotive Corrosion and Prevention Conference Proceedings, P-228, Society of Automotive Engineers, Warrendale, PA, 1989, pp. 133-145. 5.Townse
16、nd, H.E., Granata, R.D., McCune, D.C., Schumacher, W.A., and Neville, R.J., “Progress by the Automotive and Steel Industries Toward an Improved Laboratory Cosmetic Corrosion Test,” Automotive Corrosion and Prevention Conference Proceedings, P-250, Society of Automotive Engineers, Warrendale, PA, 199
17、1, pp. 73-97. 6.Stephens, M.L., “SAE ACAP Division 3 Project: Evaluation of Corrosion Test Methods,” Automotive Corrosion and Prevention Conference Proceedings, P-228, Society of Automotive Engineers, Warrendale, PA, 1989, pp. 157-164. 7.Lutze, F.W., and Shaffer, R.J., “Accelerated Atmospheric Corro
18、sion Testing of AISI Panels,” Automotive Corrosion and Prevention Conference Proceedings, P-250, Society of Automotive Engineers, Warrendale, PA, 1991, pp. 115-127. 8.Petschel, M., “Statistical Evaluation of Accelerated Corrosion Tests and Correlation with Two-Year On- Vehicle Tests,” Automotive Cor
19、rosion and Prevention Conference Proceedings, P-250, Society of Automotive Engineers, Warrendale, PA, 1991, pp. 179-203. 9.Davidson, D.D. and Schumacher, W.A., “An Evaluation and Analysis of Commonly Used Accelerated Cosmetic Corrosion Tests Using Direct Comparison with Actual Field Exposure,” Autom
20、otive Corrosion and Prevention Conference Proceedings, P-250, Society of Automotive Engineers, Warrendale, PA, 1991, pp. 205-219. 10. Ostermiller, M.R., and Townsend, H.E., “On-Vehicle Cosmetic Corrosion Testing of Coated and Cold- Rolled Steel Sheet,” Automotive Corrosion and Prevention Conference
21、Proceedings, P-268, Society of Automotive Engineers, Warrendale, PA, 1993, pp. 65-83. 11. Granata, R.D. and Moussavi-Madani, M., “Characterization of Corrosion Products and Corrosion Mechanisms on Automotive Coated Steels Subjected to Field and Laboratory Exposure Tests,” Leigh University Report to
22、the ASP Corrosion Task Force, January 10, 1996. 12. ASTM E 691-92, “Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method.” 13. ASTM E 177-90a, “Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods.” 14. Townsend, H.E. and McC
23、une D.C., “Round-Robin Evaluation of a New Standard Laboratory Test for Cosmetic Corrosion,” Automotive Corrosion and Prevention Conference Proceedings, SP-1265, Society of Automotive Engineers, Warrendale ,PA, 1997, pp. 53-68. 15. H. E. Townsend, D. D. Davidson, and M. R. Ostermiller, “Development
24、of Laboratory Corrosion Tests by the Automotive and Steel Industries of North America,” Proceedings of the Fourth International Conference on Zinc and Zinc-Alloy Coated Steel Sheet, Iron and Steel Institute of Japan, Tokyo, pp. 659-666 (1998). SAE J2334 Revised OCT2002 -3- 16. F. W. Lutze, D. C. McC
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