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Book Chapter

Particle Size and Size Distribution

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By Ronald G. Iacocca
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006096
EISBN: 978-1-62708-175-7
... Abstract Particle size and size distribution have a significant effect on the behavior of metal powders during their processing. This article provides an overview of the sample preparation process for particle size measurement, which is a key step in the measurement of particle size...
Abstract
Particle size and size distribution have a significant effect on the behavior of metal powders during their processing. This article provides an overview of the sample preparation process for particle size measurement, which is a key step in the measurement of particle size distributions. Common particle size measuring techniques discussed in this article include sieve analysis, quantitative image analysis, laser diffraction, sedimentation methods, aerodynamic time-of-flight method, electrical zone sensing, and photon correlation spectroscopy. The advantages and disadvantages of these methods are reviewed.
View PDF for content titled, <span class="search-highlight">Particle</span> Size and Size <span class="search-highlight">Distribution</span>
Image

Distribution of original particle boundaries in unetched specimens from a d...

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in Metallography and Microstructures of Powder Metallurgy Alloys > Metallography and Microstructures
Published: 01 December 2004
Fig. 24 Distribution of original particle boundaries in unetched specimens from a diffusion-alloyed steel (6.7 g/cm 3 ), pressed at 480 MPa and sintered in dissociated ammonia in hot zone at 1120 °C (2050 °F). Image (a) is from materials sintered for 5 min. Numerous particle boundaries (arrows More
Image

Distribution of wear particle size (δ) described in terms of its probabilit...

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in Polishing Wear > Friction, Lubrication, and Wear Technology
Published: 31 December 2017
Fig. 5 Distribution of wear particle size (δ) described in terms of its probability density, ϕ(δ), observed for WC pin/stainless steel disk in 10 friction cycles of 1 m (3.3 ft) sliding distance. The used pin tip radius, contact load, and number of wear particles ( n ) are shown together More
Image

Log normal Gaussian particle size distribution for vacuum induction melt in...

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in Metal Additive Manufacturing Supply Chain, Powder Production, and Materials Life-Cycle Management > Additive Manufacturing Design and Applications
Published: 30 June 2023
Fig. 5 Log normal Gaussian particle size distribution for vacuum induction melt inert gas atomization (VIGA). The D 50 can be adjusted for a variety of alloys using pour rates, gas velocity, nozzle/manifold design, and other factors. MIM, metal injection molding; SLM, selective laser More
Image

Particle size distribution from typical vacuum inert gas atomized productio...

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in Metal Additive Manufacturing Supply Chain, Powder Production, and Materials Life-Cycle Management > Additive Manufacturing Design and Applications
Published: 30 June 2023
Fig. 7 Particle size distribution from typical vacuum inert gas atomized production, showing the relative ranges typically used in different additive manufacturing modalities: binder jet, laser powder-bed fusion (L-PBF), electron beam powder-bed fusion (EB-PBF), and directed-energy deposition More
Image

Cumulative particle size distribution of free-machining agents

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in Machinability of Powder Metallurgy Steels[1] > Powder Metallurgy
Published: 30 September 2015
Fig. 10 Cumulative particle size distribution of free-machining agents More
Image

Particle size distribution measured by Microtrac in some Alcoa powder grade...

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in Production of Aluminum and Aluminum-Alloy Powder[1] > Powder Metallurgy
Published: 30 September 2015
Fig. 13 Particle size distribution measured by Microtrac in some Alcoa powder grades (grade 130/2 is by sonic sieve method) More
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Expected particle size distribution from various shapes of milling media. S...

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in Processing and Characterization of Ceramic Powders > Engineered Materials Handbook Desk Edition
Published: 01 November 1995
Fig. 3 Expected particle size distribution from various shapes of milling media. Source: Ref 46 More
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Variation in particle size distribution and morphology as a function of grit size for F1500, F1200, F600, and F360 grit SiC powders

Variation in particle size distribution and morphology as a function of gri...

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in Discontinuous Reinforcements for Metal-Matrix Composites > Composites
Published: 01 January 2001
Fig. 1 Variation in particle size distribution and morphology as a function of grit size for F1500, F1200, F600, and F360 grit SiC powders More
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Particle size distribution for F400-, F600-, and F800-grit silicon carbide particles and commercial 6061 aluminum powder

Particle size distribution for F400-, F600-, and F800-grit silicon carbide ...

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in Quality Assurance of Metal-Matrix Composites > Composites
Published: 01 January 2001
Fig. 2 Particle size distribution for F400-, F600-, and F800-grit silicon carbide particles and commercial 6061 aluminum powder More
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Silicate inclusions (dark gray particles) randomly distributed in the ferri...

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in Solidification Structures of Steels and Cast Irons > Metallography and Microstructures
Published: 01 December 2004
Fig. 13 Silicate inclusions (dark gray particles) randomly distributed in the ferrite matrix (light) of strand cast UNS G10170 steel that also contains pearlite (medium gray). Etchant: picral. 500×. Courtesy of J.R. Kilpatrick More
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Effect on the size distribution of removal of particles cut by the image ed...

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in Quantitative Image Analysis > Metallography and Microstructures
Published: 01 December 2004
Fig. 17 Effect on the size distribution of removal of particles cut by the image edges or lying outside the area of interest. Counted particles are darkened. More
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Unbiased choice of particles for size distribution purposes using the guard...

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in Quantitative Image Analysis > Metallography and Microstructures
Published: 01 December 2004
Fig. 18 Unbiased choice of particles for size distribution purposes using the guard frame. (a) Initial object. (b) Guard frame with right and bottom edges darkened. (c) Particles within frame or intersected by either the bottom or right edge, or both, are selected. (d) Objects selected based More
Image

Three-dimensional reconstruction showing the distribution of MnS particles ...

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in Three-Dimensional Microscopy > Metallography and Microstructures
Published: 01 December 2004
Fig. 20 Three-dimensional reconstruction showing the distribution of MnS particles located on grain boundaries in an Fe-0.8Mn-0.03S alloy. Source: Ref 29 More
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Three-dimensional reconstruction showing the distribution of MnS particles ...

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in Three-Dimensional Microscopy > Metallography and Microstructures
Published: 01 December 2004
Fig. 21 Three-dimensional reconstruction showing the distribution of MnS particles located within grain interiors in an Fe-0.8Mn-0.03S alloy. The MnS particles are evident in this color version. Source: M. Uno and M. Enomoto, Distribution of MnS Particles during Grain Growth of Ferrite More
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Set of sieves used for analysis of particle size distributions

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in Introduction to Characterization of Powders > Materials Characterization
Published: 15 December 2019
Fig. 6 Set of sieves used for analysis of particle size distributions More
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Cumulative particle size distributions for several injection molding powder...

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in Introduction to Metal Powder Injection Molding > Powder Metallurgy
Published: 30 September 2015
Fig. 3 Cumulative particle size distributions for several injection molding powders show similar features in the shapes of their distributions. Also shown is the determination of the three key particle sizes ( D 10 , D 50 , and D 90 ) and their estimation from the 10, 50, and 90% points More
Image

Typical particle size distributions of atomized powders

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in Atomization[1] > Powder Metallurgy
Published: 30 September 2015
Fig. 2 Typical particle size distributions of atomized powders More
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Typical water-atomized particle size distributions. Source: Ref 14

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in Atomization[1] > Powder Metallurgy
Published: 30 September 2015
Fig. 10 Typical water-atomized particle size distributions. Source: Ref 14 More
Image

Cumulative particle size distributions of some common iron powders. Source:...

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in Production of Powder Metallurgy Carbon and Low-Alloy Steels[1] > Powder Metallurgy
Published: 30 September 2015
Fig. 1 Cumulative particle size distributions of some common iron powders. Source: Ref 1 More