Round-Robin Evaluation of a New Standard Laboratory Test for Cosmetic Corrosion

Townsend, H. E.; McCune, Duncan

doi:10.4271/970734

Cited by 7 publications

(2 citation statements)

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“…11 The precision of the new test was determined in a round-robin, or interlaboratory, test program conducted by nine laboratories on the standard set of 10 materials. 12 It also was shown that the SAE J2334 test might be useful for evaluation of the perforation corrosion resistance of autobody steel sheet materials. 13 In 1992, license plate test racks containing a subset of the standard materials were distributed to committee members.…”

Section: Introductionmentioning

confidence: 98%

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License Plate Cosmetic Corrosion Test of Automotive Coated Steel Sheet

Townsend¹,

Simpson²,

Lin-de³

et al. 1999

CORROSION

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A new standard laboratory test (SAE J2334) for evaluation of the cosmetic corrosion resistance of autobody steel sheet has been developed through the joint efforts of the Society of Automotive Engineers Automotive Corrosion Prevention Committee (SAE/ACAP) and the Auto/Steel Partnership (A/SP) Corrosion Task Force. Results from this test gave an excellent correlation with those of on-vehicle tests conducted for 5 years in Canada at St. John's, Newfoundland, and Montreal, Quebec. To determine how results of the Canadian tests related to environments in the United States, racks of identical materials were mounted on the front license plate brackets of cars driven in various locations in the U.S. snowbelt, including Bethlehem, Pennsylvania; Detroit, Michigan; and Chardon, Ohio. After 4 years to 5 years, these tests showed the U.S. environments produced less scribe creep and more red rust than those conducted in Canada. Similar rankings were obtained for the scribe creep resistance of the various coated steel sheet products when compared at equivalent amounts of corrosion. However, the ranking of materials changed at longer exposure times in Canada, and for that reason, it was concluded that the 5-year Canadian results used in the development of the SAE J2334 test provided a better real-world performance standard.

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Section: Introductionmentioning

confidence: 98%

“…The steps included in this development have been documented in a series of papers. [1][2][3][4][5][6][7][8][9][10][11][12][13] First, a reservoir of standard test materials was established. These included cold-rolled and coated sheet products representing a broad range of performance.…”

Section: Introductionmentioning

confidence: 99%