ASTM-C703 Standard Test Methods for Spalling Resistance of Porcelain Enameled Aluminum

ASTM-C703 - 1972 R21 EDITION - CURRENT
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Standard Test Methods for Spalling Resistance of Porcelain Enameled Aluminum
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Scope

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. Method A, using a 5% solution of ammonium chloride, requires 96-h immersion while Method B, 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, Method B is preferred for simple alloys or commercially pure aluminum, such as 1100.

1.2 The methods appear in the following order:

Sections Method A---Ammonium Chloride 4 to 9 Method B---Antimony Trichloride 10 to 15

Keywords

Accelerated aging/testing; Aluminum; Aluminum alloys; Ammonium chloride method; Antimony trichloride method; Moisture analysis; Porcelain enamel products; Resistance-spalling; Spalling; Weathering; spalling resistance-porcelain enameled aluminum (to; moisture/weathering), test; ICS Number Code 25.220.50 (Enamels)

To find similar documents by ASTM Volume:

02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)

To find similar documents by classification:

25.220.50 (Enamels)

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Document Number

ASTM-C0703-72R21

Revision Level

1972 R21 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

May 14, 2021

Document Type

Test Method

Page Count

3 pages

Committee Number

B08.12