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SAE J2334 International surface vehicle standard--涂料鹽霧腐蝕試驗(yàn)
點(diǎn)擊次數(shù)：2231 發(fā)布時(shí)間：2014-11-4
SAE J2334 International surface vehicle standard--
Cosmetic Corrosion Lab Test
Foreword－This cosmetic corrosion lab test procedure is based on field correlated lab test procedure parameters as Committee（SAE/ACAP） and the Auto/Steel Partnershio（A/SP） Corrosion Task Force. Results from this test will provide excellent correlation to severe corrosive field environments with respect to cosmetic corrosion performance. For historical information on the development of this test, refer to 2.1.4.
1. Scope－The 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 other than cosmetic or general corrosion are to be examined using this test, field correlation must be established.
2.References
2.1 Applicable Publications－The following publications from a part of this specification to the extent specified herein. Unless otherwise indicated, the latest version of SAE publications shall apply.
2.1.1 SAE PUBLICATION－Available from SAE, 400 Commonwealth Drive, Warrrendale, PA 15096-0001.
SAE J1563－Guidelines for Laboratory Cyclic Corrosion Test Procdures for Painted Automotive Parts
2.1.2 ASTM Publications－Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.
Environments
ASTM D 1735－Practice for Testing Water Resistance of Coatings Using Water Fog Apparatus
ASTM D 2247－Practice for Testing Water Resistance of Coatings in 100% Relative Humidity
ASTM E 70-90－Test Method for pH of Aqueous Solutions with the Glass Electrode
ASTM G 1－Recommended Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens
2.1.3 General Motors Publications－Available from Global Engineering Documents, 15 Inverness Way East, Englewood, CO 80112.
GM 9540P
2.1.4 Other 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, 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 Automotive Engineers, Warrendale, PA, 1993, pp. 53-63.
3. Townsend, H.E.,"Accelerated Corrosion Testing:A Cooperative Effort by the Automotive and Steel Materials Congress,"ASM International, Metals Park, OHM, 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. Townsend, H.E., Granata, R.D., McCune, D.C.,Schumacher, W.A., and Neville, R.J.,"Progress by the Atuomotive and Steel Industries Toward an Improved Laboratory Cosmetic Corrosion Test," Automotive Corrosion and Prevention Conference Proceedings, P-250, Society of Automotive Engineers, Warrendale, PA,1991,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 Corrosion 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 Corrosion 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 Comparion With Actual Field Exposure," Automotive 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 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 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 McCune D.C.,"Round-Robin Evaluation of a New Standard Laboratory Test for Cosmetic Corrosion," Automotive Corrosion and Prevention Conference Proce edings, SP-1265, Society of Automotive Engineers, Warrendale, PA, 1997,pp. 53-68.
15. H.E. Townsend, D.D. Davidson, and M.R. Ostermiller, "Development 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）.
16. F.W. Lutze, D.C. McCune, and K.A. Smith,"Develpment of and Interlaboratory Test Evaluation of a Laboratory Corrosion Tests by the Automotive and Steel Industries of North America." 24th Annual Conference of Future Of Coatings Under Study（FOCUS）, Detroit Society for Coatings Technology, Troy Michigan, U.S.A,（4-1999）.
17. F.w. Lutze, D.C. McCune, H.E. Townsend, K.A. Smith, R.J. Shaffer, L.S. Thompson, and H.D. Hilton,"The Effects of Temperature and Salt Concentration on the Speed of the SAE J2334 Cyclic Corrosion Test,"Proceedings of the European Corrosion Congress, London（2000）.
18. F.W. Lutze, D.C. McCune, J.R. Schaffer, K.A. Smith, L.S. Thompson, and H.E Townsend, "Interlaboratory Testing to Evaluate improvements in the precision of the SAE J2334 Cyclic Corrosion Test," Proceedings of the Fifth International Conference on Zinc and Zinc Alloy Coated Steel Sheet, Centre for Research in Metallurgy, Brussels Belgium （June 2001）.