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particle shape

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Published: 01 June 2008
Fig. 4.9 Strain energy as a function of second-phase particle shape. Source: Ref 2 More
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Published: 30 April 2020
Fig. 5.22 The role of particle shape on mixture rheology is evident by using three titanium powders (spherical, rounded, and irregular) in a paraffin wax binder. Torque rheometry identifies significant differences in solids loading for the target 1 N ∙ m mixing torque. More
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Published: 01 November 2013
Fig. 8 Effect of milling time on particle shape change of spherical Ti-6Al-4V alloy particles. (a) As-received particle. (b) After 1 h. (c) After 2 h. (d) After 4 h. (e) After 8 h. (f) After 16 h. Source: Ref 4 More
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Published: 01 November 2013
Fig. 16 Effect of particle size and shape of components of 90%Fe-10%Cu mixtures on degree of blending. Quality of blending improves as variability coefficient decreases. Particle size and shape for components: (a) Cu, 200–300 μm; Fe, <63 μm of spherical particle shape. (b) Cu, 200–315 μm More
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...
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Published: 01 September 2008
Fig. 23 Magnetic particle inspection of the failed pinion gear showed arc-shaped cracks on the gear tooth faces. More
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Published: 01 August 1999
Fig. 7.1 (Part 5) (k) Shapes of cementite particles (shown cross-hatched) located at ferritic grain boundaries. A, Triple point in ferrite; B, Single particle at a triple point in ferrite; C, Single particle at a ferritic grain boundary; D, Two particles at a triple point in ferrite. More
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Published: 30 April 2021
Fig. 4.12 Crater shape produced by a continued stream of particles with a 90-degree impingement angle More
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...
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Published: 30 April 2020
Fig. 2.2 Large, spherical titanium powder fabricated by plasma atomization, giving a spherical particle shape More
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Published: 01 June 2007
Fig. 4 SEM image of a stainless steel powder having a marginally irregular particle shape, leading to high apparent density, low green strength, high compressibility, and a high flow rate More
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Published: 01 June 2007
Fig. 1 SEM image of a water atomized stainless steel powder (316L) having a moderately irregular particle shape, leading to a good combination of apparent density, green strength, compressibility, and flow rate More
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Published: 01 June 2007
Fig. 2 SEM image of a stainless steel powder (409L) having a highly irregular particle shape, leading to low apparent density, high green strength, low compressibility, and marginal flow rate More
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Published: 01 June 2007
Fig. 5 SEM of a gas atomized 316L powder having the typical spherical particle shape. Such powders are used in MIM and in hot isostatic compaction. Source: Courtesy of Roberto Garcia, N.C. State University More
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Published: 01 December 2016
Fig. 4.1 Microstructure of the AlSi21CuNi alloy. Phase constituent identification is based on the visual attributes of the particles, shape and color. Eutectic silicon: irregular polygons and plates, dark gray. β MgSi : Chinese script, blue. θ Cu : rounded, light yellow. Nickel intermetallics More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000203
EISBN: 978-1-62708-312-6
... Fig. 1 SEM image of a water atomized stainless steel powder (316L) having a moderately irregular particle shape, leading to a good combination of apparent density, green strength, compressibility, and flow rate Fig. 2 SEM image of a stainless steel powder (409L) having a highly irregular...
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 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
... processing into the realm of metals and alloys, ceramics, cemented carbides, and composite materials. The forming operations rely on a binder or polymer (the two terms are often used synonymously) to enable shaping. The binder is removed after shaping, while the shaped particles are subjected to sintering...