ASTM-B330 Standard Test Methods for Estimating Average Particle Size of Metal Powders and Related Compounds Using Air Permeability

ASTM-B330 - 2020 EDITION - CURRENT
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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-B0330-20

Revision Level

2020 EDITION

Status

Current

Modification Type

Revision

Publication Date

Oct. 28, 2020

Document Type

Test Method

Page Count

7 pages

Committee Number

B09.03