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particle size distribution

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Published: 30 April 2020
Fig. 2.6 Cumulative mass particle size distribution for a small powder that is smaller than 3 μm. Three sizes are typically cited based on the particle size corresponding to 10, 50, and 90% points on the distribution. More
Image
Published: 01 June 2007
Fig. 11.28 (a) SEM and (b) particle size distribution of stainless steel flake pigment. Source: Ref 41 . Reprinted with permission of John Wiley & Sons, Inc. More
Image
Published: 01 June 2007
Fig. 3.5 Log-normal plots of cumulative undersized particle size distributions of water-atomized (80Ni-20Cr and type 316L) metal powders. Source: Ref 2 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... Abstract This chapter introduces the key powder fabrication attributes to assist in the identification of the right powders for an application. First, it describes the characteristics of engineering powders such as particle size distribution, powder shape and packing density, surface area...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460173
EISBN: 978-1-62708-285-3
... by the physical properties of the powder, such as particle shape and size distribution. 6.1 Key Powder Properties The required particle size distribution is specific to the cold spray equipment used and varies in the range of 5–200 μm. The powder must flow freely through the feeding system, creating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000023
EISBN: 978-1-62708-312-6
..., particle size distribution, and particle shape, so as to produce powders that are suited for their intended uses and to conduct the powder production process in a cost-effective way. Intended uses of powders are most often discussed in terms of specific requirements of their engineering properties...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740373
EISBN: 978-1-62708-308-9
... Abstract This chapter covers the basic steps of the powder metallurgy process, including powder manufacture, powder blending, compacting, and sintering. It identifies important powder characteristics such as particle size, size distribution, particle shape, and purity. It compares and contrasts...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290261
EISBN: 978-1-62708-319-5
... system. BET surface area. The speci c surface area as measured by gas adsorption according to the Brunauer-Emmett-Teller theory. Widely used in characterization of ceramic powders and expressed as square meters per gram (m2/g). bimodal. A particle size distribution exhibiting two mode (mode is the most...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
... are not equal to properties of hot pressed material. Plasma-sprayed thin-walled preforms may be sintered into hollow shapes with satisfactory properties. Control of the beryllium particle size distribution and impurity control is essential to achieve extruded products. During the course of beryllium powder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000223
EISBN: 978-1-62708-312-6
.... The shape of the particle size distribution curve. die. The part or parts making up the confining double-action press. A press that provides form in which a powder is pressed or a sin- pressure from two sides, usually opposite tered compact is re-pressed or coined. The each other, such as from top...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030177
EISBN: 978-1-62708-349-2
.... The level of filtering of the preformed particles on the prepreg surface and therefore control of the cured composite interlayer dimensions is a function of the prepreg processing parameters and particle size distribution. Fig. 10.6 Area of a preformed-particle-modified interlayer composite showing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850410
EISBN: 978-1-62708-260-0
... Abstract This chapter covers the emerging practice of quantitative microscopy and its application in the study of the microstructure of metals. It describes the methods used to quantify structural gradients, volume fraction, grain size and distribution, and other features of interest...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... (or other temperature), depending on the amount of additive, heat treatment, cooling rate, grain size, and grain size distribution. As shown in Fig. 10.6 , the tetragonal zirconia can transform to the monoclinic phase under the influence of a crack tip stress. The transformation may cause the crack tip...
Image
Published: 30 April 2020
Fig. 10.38 Sintering time influence on densification for a slip cast 0.4 μm median particle size alumina, comparing a narrow and broad size distribution. At intermediate densities, the broad distribution improves sintering, but the two distributions converge to similar behavior at more than 95 More
Image
Published: 01 June 2016
Fig. 2.21 Particle velocity and critical velocity for given process parameters as a function of particle size (schematic). Successful deposition is possible only if the particle impact velocity exceeds the critical velocity. Thus, the powder size distribution should be in the range between More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560039
EISBN: 978-1-62708-291-4
... affect ferritic grain size and the distribution of cementite particles. It also discusses subsequent processing, including cold rolling and annealing, and the parameters with the greatest impact on grain size and microstructure. In addition, it describes the production of enameling irons, the benefits...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460017
EISBN: 978-1-62708-285-3
...-tungsten blends of similar particle-size cuts. Cold spraying was performed with nitrogen at a process gas pressure of 4 MPa (580 psi) and a process gas temperature of 900 °C (1650 °F). In addition to volume fraction, geometrical boundaries related to the particle size distributions also must...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... by a discussion on the tools used for measuring bulk properties to monitor sintering and density. The effects of key parameters, such as particle size, oxygen content, sintering atmosphere, and peak temperature, on the sintered properties are discussed. Further, the chapter covers sintering cycles and sintering...
Image
Published: 01 August 2018
Fig. 9.52 Volume fraction and size for typical second-phase particles in steels. Non-metallic inclusions (see Chapter 8, “Solidification, Segregation, and Nonmetallic Inclusions,” in this book) normally have a combination of size and distribution out of the region where second phase More