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BS EN ISO/ASTM 52928:2024

BS EN ISO/ASTM 52928:2024

$167.15

Additive manufacturing of metals. Feedstock materials. Powder life cycle management

Published By Publication Date Number of Pages
BSI 2024 36
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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.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols and abbreviations
11 5 Powder properties
5.1 General
5.2 Particle size distribution
5.2.1 General
12 5.2.2 Dynamic image analysis
5.2.3 Laser diffraction and light scattering
13 5.2.4 Dry sieving
5.2.5 Light or scanning electron microscopy (SEM) images
5.3 Chemical composition
5.3.1 General
14 5.3.2 Combustion methods
15 5.3.3 Flame AAS
5.3.4 X-ray fluorescence spectroscopy (XRF)
5.3.5 Inductively coupled plasma optical emission spectrometry (ICP-OES)
5.3.6 Energy-dispersive X-ray spectroscopy (EDX)
16 5.4 Characteristic densities
5.4.1 General
5.4.2 Apparent density
5.4.3 Tap density
5.4.4 Skeletal (true) density
5.4.5 Packing behaviour
17 5.5 Determination of powder density
5.5.1 Determination of the closed porosity of particles via indirect methods
5.5.2 Gas pycnometry
5.5.3 Metallographic section with porosity analysis
5.6 Shape and morphology
5.6.1 General
19 5.6.2 Image analysis
5.6.3 Scanning electron microscopy (SEM) images
20 5.6.4 Light microscopy images
5.6.5 Determination of specific surface area
5.7 Flowability
5.7.1 General
21 5.7.2 Determination of flow rate
5.7.3 Measuring the angle of repose
5.7.4 Ring shear test method
5.7.5 Rotating drum with dynamic image analysis
5.7.6 Powder rotational rheometer
5.7.7 Hausner ratio (ratio of tapped to bulk density)
22 5.8 Contamination
5.8.1 Moisture content
23 5.8.2 Impurities
5.8.3 O/H content
5.8.4 N content
5.9 Absorption rate of the powder
5.9.1 General
5.9.2 Diffuse reflectance infrared Fourier transform (DRIFTS)
24 6 Powder life cycle
6.1 Batch requirement
6.1.1 General
6.1.2 Specification
6.1.3 Batch
6.1.4 Blend
6.1.5 Powder mix
6.1.6 Combine
6.1.7 Reuse metric
25 6.2 Traceability
6.2.1 General
6.2.2 Event history
6.2.3 Powder state
6.2.4 Labelling
26 6.3 Handling
6.3.1 General
6.3.2 Storage
6.3.3 Transfer
27 6.3.4 Repacking
6.4 Recycling/reuse of feedstock
6.5 Disposal
28 7 Powder quality assurance
7.1 Documentation requirements
7.2 Certificate of analysis (CoA)
7.3 Sampling
7.3.1 General remarks
29 7.3.2 Characterization of virgin powder and powder blends
30 7.3.3 Characterization of used powder
7.4 Powder analysis test methods
7.5 Monitoring and control of the environment
31 7.6 Test frequency
32 Bibliography

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BS EN ISO/ASTM 52928:2024
$167.15