ASTM C286-99(2009)
(Terminology)Standard Terminology Relating to Porcelain Enamel and Ceramic-Metal Systems
Standard Terminology Relating to Porcelain Enamel and Ceramic-Metal Systems
SCOPE
1.1 These definitions pertain to the terminology used in the porcelain enamel and ceramic-coated metal industries.
1.2 Words adequately defined in standard dictionaries are not included. Included are words that are peculiar to these industries.
1.3 Hyphenated words, double words, or phrases are listed alphabetically under the first word; additional important words are cross-referenced.
1.4 When a word or phrase, listed as a synonym, is not separately defined, the defined word or phrase is the accepted or preferred form.
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C286 − 99 (Reapproved 2009)
Standard Terminology Relating to
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Porcelain Enamel and Ceramic-Metal Systems
This standard is issued under the fixed designation C286; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope C347 Test Method for Reflectivity and Coefficient of Scatter
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of White Porcelain Enamels (Withdrawn 1990)
1.1 These definitions pertain to the terminology used in the
C374 Test Methods for Fusion Flow of Porcelain Enamel
porcelain enamel and ceramic-coated metal industries.
Frits (Flow-Button Methods)
1.2 Words adequately defined in standard dictionaries are
C448 Test Methods for Abrasion Resistance of Porcelain
not included. Included are words that are peculiar to these
Enamels
industries.
C614 Test Method forAlkali Resistance of Porcelain Enam-
els
1.3 Hyphenated words, double words, or phrases are listed
alphabetically under the first word; additional important words C633 Test Method for Adhesion or Cohesion Strength of
Thermal Spray Coatings
are cross-referenced.
C743 Test Method for Continuity of Porcelain Enamel
1.4 When a word or phrase, listed as a synonym, is not
Coatings
separately defined, the defined word or phrase is the accepted
C756 Test Method for Cleanability of Surface Finishes
or preferred form.
3. Terminology
2. Referenced Documents
2
2.1 ASTM Standards:
abrasion resistance—the degree to which a porcelain enamel
A424 SpecificationforSteel,Sheet,forPorcelainEnameling
will resist attack by abrasive materials.
A919 Terminology Relating to Heat Treatment of Metals
3
NOTE 1—See Test Methods C448.
(Withdrawn 1999)
C282 Test Method for Acid Resistance of Porcelain Enam-
acid annealing—an annealing process in which ferrous metal
els(Citric Acid Spot Test)
shapes are coated with acid before and in conjunction with
C283 Test Methods for Resistance of Porcelain Enameled
the annealing.
Utensils to Boiling Acid
C285 Test Methods for Sieve Analysis of Wet-Milled and acid resistance—the degree to which a porcelain enamel will
Dry-Milled Porcelain Enamel resist attack by acids.
C313 Method of Test for Adherence of Porcelain Enamel
3 NOTE 2—See Test Method C283 and Test Method C282.
and Ceramic Coatings to Sheet Metal (Withdrawn 1989)
C314 Test Method for Flatness of Porcelain Enameled Pan-
adherence—(1) the degree of adhesion of a porcelain enamel
3
els (Withdrawn 1979)
or other ceramic coating to a metal substrate.
C346 Test Method for 45-deg Specular Gloss of Ceramic
NOTE 3—See Test Method C313.
Materials
(2) Stress necessary to cause separation of one material from
another at their interface.
NOTE 4—See Test Method C633.
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This terminology is under the jurisdiction of ASTM Committee B08 on
Metallic and Inorganic Coatings and is the direct responsibility of Subcommittee
aging—thestoringofporcelainenamelslipsorpowdersbefore
B08.12 on Materials for Porcelain Enamel and Ceramic-Metal Systems.
use. The change occurring in slips or powders with the lapse
Current edition approved Sept. 1, 2009. Published January 2010. Originally
approved in 1951. Last previous edition approved in 2004 as C286–99(2004). DOI:
of time.
10.1520/C0286-99R09.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
air atomizing—air used to atomize powder and to control
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
powder/air mix and powder cloud density.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3
air fluidizer—air used to impart fluid-like properties to pow-
The last approved version of this historical standard is referenced on
www.astm.org. der via a fluid bed.
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C286 − 99 (2009)
alkali resistance—for porcelain enamels, the degree to which blemish—in dry process enameling, an insignificant imperfec-
a porcelain enamel will resist attack by aqueous alkaline tion in the porcelain enamel surface.
solutions.
blister—a defect caused by gas evolution consisting of a
NOTE 5—See Test Method C614. bubble that forms during fusion and remains when the
porcelain enamel solidifies.
alligator hide—a defect characterized by an extreme rough-
ness of the porcelain enamel surface: a severe case of orange
blow-off resistance—the degree to which a deposited layer of
peel. powder resists being blown off by a standard jet of air.
aluminum enamel—a porcelain enamel speci
...
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