BS ISO 18549-2:2009
Current
The latest, up-to-date edition.
Metallic powders. Determination of apparent density and flow rate at elevated temperatures Determination of flow rate at elevated temperatures
Hardcopy , PDF
English
31-10-2009
Foreword
1 Scope
2 Normative references
3 Apparatus
4 Calibration of the funnel
4.1 Method A
4.2 Method B
5 Test sample
6 Procedure (Methods A and B)
7 Result
7.1 Method A
7.2 Method B
8 Test report
Specifies two methods for the determination of the time (flow rate) it takes for a given quantity of a heated powder mix, based on iron or steel powders and to be used for warm compaction, to pass through a funnel with a given orifice diameter.
| Committee |
W/-
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This part of ISO18549 describes two methods for the determination of the time (flow rate) it takes for a given quantity of a heated powder mix, based on iron or steel powders and to be used for warm compaction, to pass through a funnel with a given orifice diameter.
Method A uses a funnel with an orifice of 2,5mm and a test portion of 50g and is, to a large extent, based on the method standardized in ISO4490. The method can only be used for powder mixes that flow freely through the 2,5mm orifice in the heated condition.
Method B uses a funnel with an orifice of 5mm and a test portion with a size of 150g.
Both methods cover a testing temperature range of 60°C to 180°C and either of them can be selected after agreement between the parties involved.
| Standards | Relationship |
| ISO 18549-2:2009 | Identical |
| ISO 4490:2014 | Metallic powders — Determination of flow rate by means of a calibrated funnel (Hall flowmeter) |
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