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ISO 10070:2019 Metallic powders - Determination of envelope-specific surface area from measurements of the permeability to air of a powder bed under steady-state flow conditions >
ISO 10070:2019 Metallic powders - Determination of envelope-specific surface area from measurements of the permeability to air of a powder bed under steady-state flow conditions, 2019
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols
- 5 General principles
- 5.1 Permeability
- 5.2 Carman-Arnell and Kozeny-Carman formulae
- 5.3 General
- 5.4 Envelope density
- 6 Procedure
- 6.1 Preparation of test portion
- 6.2 Preparation of packed powder bed
- 6.3 Determination
- 7 Expression of results
- 8 Test report
- Annex A (informative) Examples of methods of determining the permeability to air of a powder bed
- Annex B (informative) Preliminary treatment of powder for de-agglomeration
- Bibliography [Go to Page]