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.

General Information

Status
Historical
Publication Date
30-Sep-2004
Current Stage
Ref Project

Relations

Effective Date
01-Oct-2004

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ASTM C286-99(2004) - Standard Terminology Relating to Porcelain Enamel and Ceramic-Metal Systems
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 2004)
Standard Terminology Relating to
1
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 Scat-
3
ter of White Porcelain Enamels
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 TestMethodforAlkaliResistanceofPorcelainEnam-
1.3 Hyphenated words, double words, or phrases are listed
els
alphabetically under the first word; additional important words
C633 Test Method for Adhesion or Cohesion Strength of
are cross-referenced.
Thermal Spray Coatings
1.4 When a word or phrase, listed as a synonym, is not
C743 Test Method for Continuity of Porcelain Enamel
separately defined, the defined word or phrase is the accepted
Coatings
or preferred form.
C756 Test Method for Cleanability of Surface Finishes
2. Referenced Documents
3. Terminology
2
2.1 ASTM Standards:
A424 Specification for Steel, Sheet, for Porcelain Enamel- abrasion resistance—the degree to which a porcelain enamel
ing will resist attack by abrasive materials.
3
A919 Terminology Relating to Heat Treatment of Metals
NOTE 1—See Test Methods C448.
C282 Test Method for Acid Resistance of Porcelain Enam-
els(Citric Acid Spot Test) acid annealing—an annealing process in which ferrous metal
shapes are coated with acid before and in conjunction with
C283 Test Methods for Resistance of Porcelain Enameled
the annealing.
Utensils to Boiling Acid
acid resistance—the degree to which a porcelain enamel will
C285 Test Methods for Sieve Analysis of Wet-Milled and
resist attack by acids.
Dry-Milled Porcelain Enamel
C313 Test Method for Adherence of Porcelain Enamel and
NOTE 2—See Test Method C283 and Test Method C282.
3 3
Ceramic Coatings to Sheet Metal
adherence—(1) the degree of adhesion of a porcelain enamel
C314 Discontinued 1981; Test Method for Flatness of
4
or other ceramic coating to a metal substrate.
Porcelain Enameled Panels
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.
1
This terminology is under the jurisdiction of ASTM Committee B08 on
aging—thestoringofporcelainenamelslipsorpowdersbefore
Metallic and Inorganic Coatings and is the direct responsibility of Subcommittee
use. The change occurring in slips or powders with the lapse
B08.12 on Materials for Porcelain Enamel and Ceramic-Metal Systems.
Current edition approved Oct. 1, 2004. Published October 2004. Originally
of time.
approved in 1951. Last previous edition approved in 1999 as C286 – 99. DOI:
air atomizing—air used to atomize powder and to control
10.1520/C0286-99R04.
2 powder/air mix and powder cloud density.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
air fluidizer—air used to impart fluid-like properties to pow-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
der via a fluid bed.
the ASTM website.
alkali resistance—for porcelain enamels, the degree to which
3
Withdrawn.
4 a porcelain enamel will resist attack by aqueous alkaline
Withdrawn. The last approved version of this historical standard is referenced
on www.astm.org. solutions.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C286–99 (2004)
NOTE 5—See Test Method C614.
boiling—a defect visible in the fired porcelain enamel caused
by gas evolution which results in the formation of blisters,
alligator hide—a defect characterized by an extreme rough-
pinholes, black specks, dimples, or spongy surface.
ness of the porcelain enamel surface: a severe case of orange
bolt-hole brush—a special round brush used to remove
peel.
porcelain enamel bisque from in and around small openings
aluminum enamel—a porcelain enamel specifically designed
in the ware.
for application to aluminum.
bond—see adherence.
annealing—see Terminolog
...

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