ASTM-B330 › Historical Revision Information
Standard Test Methods for Estimating Average Particle Size of Metal Powders and Related Compounds Using Air Permeability
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Scope
1.1 This test method uses air permeability to determine an envelope-specific surface area and its associated average equivalent spherical diameter of metal powders and related compounds. The powders may be analyzed in their "as-supplied" (shipped, received, or processed) condition or after they have been de-agglomerated or milled by a laboratory procedure ("lab milled") such as that specified in Practice B859. The values obtained are not intended to be absolute but are generally useful on a relative basis for control purposes.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
envelope-specific surface area; Fisher Number; metal powder; particle size; porosity; powder; specific surface; ICS Number Code 77.160 (Powder metallurgy)
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:
77.160 (Powder metallurgy Including sintered metal materials and hardmetals)
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Document Number
ASTM-B330-98e1
Revision Level
1998(E1) EDITION
Status
Superseded
Modification Type
Revision
Publication Date
May 1, 1999
Document Type
Test Method
Page Count
4 pages
Committee Number
B09.03