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ASTM International, 04/01/2021
Publisher: ASTM
File Format: PDF
$23.00$46.00
Published:01/04/2021
Pages:3
File Size:1 file , 61 KB
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1.1''These test methods cover accelerated determination of the resistance of porcelain enamel coatings on aluminum alloys to spalling from exposure to moisture or weathering. Test Method A,2 using a 5'''% solution of ammonium chloride, requires 96-h immersion while Test Method B,3 using a 1'''% solution of antimony trichloride, is completed after 20 h of immersion. The spalling tendency is evaluated by the same criteria in both methods. While either method is suitable for magnesium silicon alloys, such as 6061, Test Method B is preferred for simple alloys or commercially pure aluminum, such as 1100.
1.2''The test methods appear in the following order:
''
Sections
Test Method A'''Ammonium Chloride
'''4 ''' 9
Test Method B'''Antimony Trichloride
10 ''' 15
1.3''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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