Additive manufacturing of metals - Feedstock materials - Powder life cycle management (ISO/ASTM 52928:2024)

This document specifies requirements and describes aspects for the lifecycle management of metal feedstock materials for powder based additive manufacturing processes. These aspects include but are not limited to:
—     powder properties;
—     powder lifecycle;
—     test methods;
—     powder quality assurance.
This document supplements ISO/ASTM 52907, which primarily focuses on requirements for virgin powder. This document covers on powder life cycle management, and therefore focuses on control of virgin and used powders.
This document can be used by manufacturers of metal powders, purchasers of powder feedstock for additive manufacturing, those responsible for the quality assurance of additively manufactured parts and suppliers of measurement and testing equipment for characterizing metal powders for use in powder-based additive manufacturing processes.

Additive Fertigung von Metallen - Ausgangsmaterialien - Steuerung des Lebenszyklus von Pulvern (ISO/ASTM 52928:2024)

Dieses Dokument legt Anforderungen fest und beschreibt Aspekte, die die Steuerung des Lebenszyklus von Metall-Ausgangsmaterialien für pulverbasierte additive Fertigungsprozesse betreffen. Diese Aspekte umfassen unter anderem:
   Pulvereigenschaften;
   Pulver-Lebenszyklus;
   Prüfverfahren;
   Pulver-Qualitätssicherung.
Dieses Dokument ergänzt ISO/ASTM 52907, das sich hauptsächlich mit den Anforderungen für neues Pulver befasst. Dieses Dokument deckt die Steuerung des Lebenszyklus von Pulver ab und beschäftigt sich daher mit der Kontrolle sowohl von neuen als auch gebrauchten/wiederverwendeten Pulvern.
Dieses Dokument kann von Herstellern von Metallpulvern, Einkäufern von Pulver-Ausgangsmaterial für die additive Fertigung, Verantwortlichen für die Qualitätssicherung additiv gefertigter Teile und Lieferanten von Mess- und Prüfeinrichtungen für die Charakterisierung von Metallpulvern, für den Gebrauch in pulverbasierten additiven Fertigungsprozessen verwendet werden.
Dieses Dokument legt Anforderungen fest und beschreibt Aspekte, die das Lebensdauermanagement von Metall-Ausgangsmaterialien für pulverbasierte additive Fertigungsprozesse betreffen. Diese Aspekte umfassen unter anderem:
   Pulvereigenschaften;
   Pulver-Lebensdauer;
   Prüfverfahren;
   Pulver-Qualitätssicherung.
Dieses Dokument ergänzt ISO/ASTM 52907, bei dem es hauptsächlich um Anforderungen für neues Pulver geht. Dieses Dokument deckt das Lebensdauermanagement von Pulver ab und beschäftigt sich daher mit der Kontrolle von neuen und gebrauchten Pulvern.
Dieses Dokument kann von Herstellern von Metallpulvern, Käufern von Pulver-Ausgangsmaterial für die additive Fertigung, Verantwortlichen für die Qualitätssicherung additiv gefertigter Teile und Lieferanten von Mess- und Prüfeinrichtungen für die Charakterisierung von Metallpulvern für den Gebrauch in pulverbasierten additiven Fertigungsprozessen verwendet werden.

Fabrication additive de métaux - Matières premières - Gestion du cycle de vie de la poudre (ISO/ASTM 52928:2024)

Le présent document spécifie les exigences et décrit les aspects concernant la gestion du cycle de vie des matières premières métalliques utilisées pour les procédés de fabrication additive à base de poudres. Ces aspects incluent, sans toutefois s’y limiter:
—     les propriétés de la poudre;
—     le cycle de vie de la poudre;
—     les méthodes d’essai;
—     l’assurance qualité de la poudre.
Le présent document complète l’ISO/ASTM 52907, qui se concentre principalement sur les exigences pour la poudre vierge. Le présent document couvre la gestion du cycle de vie de la poudre et se concentre ainsi sur le contrôle des poudres vierges et utilisées.
Le présent document peut être utilisé par les fabricants de poudres métalliques, les acheteurs de matières premières en poudre pour la fabrication additive, les personnes responsables de l’assurance qualité des pièces fabriquées additivement et les fournisseurs d’équipements de mesure et d’essai pour caractériser les poudres métalliques destinées à être utilisées dans des procédés de fabrication additive à base de poudres.

Aditivna proizvodnja kovinskih izdelkov - Surovine - Obvladovanje življenskega cikla prahu (ISO/ASTM 52928:2024)

General Information

Status
Published
Publication Date
28-May-2024
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
29-May-2024
Due Date
25-Oct-2023
Completion Date
29-May-2024

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SLOVENSKI STANDARD
oSIST prEN ISO/ASTM 52928:2023
01-januar-2023
[Not translated]
Additive manufacturing of metals - Feedstock materials - Powder life cycle management
(ISO/ASTM DIS 52928:2022)
Additive Fertigung von Metallen - Ausgangsmaterialien - Steuerung des Lebenszyklus
von Pulvern (ISO/ASTM DIS 52928:2022)
Fabrication additive de métaux - Matières premières - Gestion du cycle de vie de la
poudre (ISO/ASTM DIS 52928:2022)
Ta slovenski standard je istoveten z: prEN ISO/ASTM 52928
ICS:
25.030 3D-tiskanje Additive manufacturing
oSIST prEN ISO/ASTM 52928:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN ISO/ASTM 52928:2023

oSIST prEN ISO/ASTM 52928:2023
DRAFT INTERNATIONAL STANDARD
ISO/ASTM DIS 52928
ISO/TC 261 Secretariat: DIN
Voting begins on: Voting terminates on:
2022-11-17 2023-02-09
Additive manufacturing of metal — Feedstock materials —
Powder life cycle management
ICS: 25.030
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/ASTM DIS 52928:2022(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. © ISO/ASTM International 2022

oSIST prEN ISO/ASTM 52928:2023
ISO/ASTM DIS 52928:2022(E)
DRAFT INTERNATIONAL STANDARD
ISO/ASTM DIS 52928
ISO/TC 261 Secretariat: DIN
Voting begins on: Voting terminates on:

Additive manufacturing of metal — Feedstock materials —
Powder life cycle management
ICS: 25.030
This document is circulated as received from the committee secretariat.
© ISO/ASTM International 2022 THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
NOT BE REFERRED TO AS AN INTERNATIONAL
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below STANDARD UNTIL PUBLISHED AS SUCH.
or ISO’s member body in the country of the requester. In the United States, such requests should be sent to ASTM International.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
ISO copyright office ASTM International
TECHNOLOGICAL, COMMERCIAL AND
CP 401 • Ch. de Blandonnet 8 100 Barr Harbor Drive, PO Box C700
USER PURPOSES, DRAFT INTERNATIONAL
CH-1214 Vernier, Geneva West Conshohocken, PA 19428-2959, USA
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
Phone: +41 22 749 01 11 Phone: +610 832 9634
POTENTIAL TO BECOME STANDARDS TO
Fax: +610 832 9635
WHICH REFERENCE MAY BE MADE IN
Reference number
Email: copyright@iso.org Email: khooper@astm.org
NATIONAL REGULATIONS.
Website: www.iso.org Website: www.astm.org ISO/ASTM DIS 52928:2022(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
Published in Switzerland
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
ii
© ISO/ASTM International 2022 – All rights reserved
PROVIDE SUPPORTING DOCUMENTATION. © ISO/ASTM International 2022

oSIST prEN ISO/ASTM 52928:2023
ISO/ASTM DIS 52928:2022(E)
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviations .2
5 Powder properties . 2
5.1 General . 2
5.2 Particle size distribution . 3
5.2.1 General . 3
5.2.2 Dynamic image analysis . 3
5.2.3 Laser diffraction . 4
5.2.4 Dry sieving . 4
5.2.5 Light or scanning electron microscopy (SEM) images . 4
5.3 Chemical composition . 4
5.3.1 General . 4
5.3.2 Combustion methods. 5
5.3.3 Flame AAS . 6
5.3.4 X-ray fluorescence spectroscopy (XRF) . 6
5.3.5 Inductively coupled plasma optical emission spectrometry (ICP-OES) . 6
5.3.6 Energy-dispersive X-ray spectroscopy (EDX) . 6
5.4 Characteristic densities . 7
5.4.1 General . 7
5.4.2 Apparent density . 7
5.4.3 Tap density . 7
5.4.4 Skeletal (true) density . 7
5.4.5 Packing behaviour . 7
5.5 Determination of powder density (closed porosity of particles) . 8
5.5.1 General . 8
5.5.2 Gas pycnometry. 8
5.5.3 Metallographic section with porosity analysis . 8
5.6 Apparent and tap density. 8
5.6.1 Tap density . 8
5.6.2 Apparent density . 8
5.7 Morphology . . 8
5.7.1 General . 8
5.7.2 Dynamic image analysis . 10
5.7.3 Scanning electron microscopy (SEM) images . 10
5.7.4 Light microscopy images . 10
5.7.5 Determination of specific surface area . 10
5.8 Flowability . 11
5.8.1 General . 11
5.8.2 Determination of flow rate .12
5.8.3 Measuring the angle of repose .12
5.8.4 Ring shear test method .12
5.8.5 Revolving powder cylinder with dynamic image analysis .12
5.8.6 Powder rotational rheometer .12
5.8.7 Hausner ratio (ratio of tapped to bulk density) .12
5.9 Contamination .12
5.9.1 Moisture content .12
5.9.2 Impurities .13
5.9.3 O/H content . 14
iii
© ISO/ASTM International 2022 – All rights reserved

oSIST prEN ISO/ASTM 52928:2023
ISO/ASTM DIS 52928:2022(E)
5.9.4 N content. 14
5.10 Absorption rate of the powder . 14
5.10.1 General . 14
5.10.2 Diffuse reflectance infrared Fourier transform (DRIFTS). 14
6 Powder life cycle . .14
6.1 Batch requirement .
...

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