1-20 of 167 Search Results for

powder blending

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Published: 01 June 2016
Fig. 2.15 Effect of geometrical conditions in cold spraying a powder blend of 50 vol% copper and 50 vol% tungsten particles (a, b) with coarse hard-phase particles in sizes of 22 to 45 μm and (c, d) fine hard particles in sizes of 5 to 15 μm. Cold spraying was performed with nitrogen 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...
Image
Published: 01 June 2016
Fig. 2.13 SEM micrograph of a titanium-molybdenum composite cold sprayed with nitrogen at a process gas pressure of 4.2 MPa (610 psi) and a process gas temperature of 930 °C (1700 °F). The volume content of 50% Mo in the powder blend was reduced to 41% in the final coating at an overall More
Image
Published: 01 December 2000
Fig. 7.3 Impeller made from Ti-6Al-4V blended elemental powder. Courtesy of Dynamet Technology, Inc. More
Image
Published: 01 December 2000
Fig. 7.6 Typical tensile properties of blended elemental titanium alloy powder compacts. Shaded areas represent observed ranges. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460017
EISBN: 978-1-62708-285-3
... and impose particular challenges for successful coating production. In principle, the powder feedstock may consist of a mixed powder blend or even be discharged from two separate powder feeders simultaneously, providing an opportunity to produce graded coatings. In another approach, two different materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... are produced from powders and how the different methods compare with each other and with conventional production techniques. The methods covered include powder injection molding, spray forming, additive manufacturing, blended elemental processing, and rapid solidification. fatigue limit fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130395
EISBN: 978-1-62708-284-6
... are generally annealed in a reducing atmosphere. Special high-compressibility powders are produced by double-annealing operations. Blending Alloying elements are typically mixed with the iron powder by blending in a double-cone blender. Elemental addition of alloying elements, that is, graphite, copper...
Image
Published: 01 December 2000
Fig. 7.7 Room-temperature smooth axial fatigue behavior of blended elemental and prealloyed powder metallurgy powder compacts of Ti-6Al-4V compared with wrought annealed material More
Image
Published: 01 December 2000
Fig. 12.42 Comparison of Ti-6Al-4V alloy room-temperature fatigue life scatter bands for several powder compact types (prealloyed, PA, and blended elemental, BE, powders) with wrought mill-annealed material (IM, ingot metallurgy) More
Image
Published: 01 January 2015
Fig. 8.20 Scanning electron micrograph of porous titanium sponge fines used as starting stock in blended-elemental powder metallurgy More
Image
Published: 01 January 2015
Fig. 8.23 Comparison of fatigue behavior of annealed blended-elemental and prealloyed Ti-6Al-4V powder metal compacts with ingot metallurgy material More
Image
Published: 01 December 2000
Fig. 12.41 Fracture toughness versus density for pressed and sintered compacts from blended elemental powders of Ti-6Al-4V alloy. Note that the toughness values are not valid K Ic and thus are labeled as K Q . More
Image
Published: 01 December 2000
Fig. 7.1 Aerospace and automotive Ti-6Al-4V parts produced using blended elemental powder. (a) Impeller. (b) F-18 pivot fitting. (c) Missile housing. (d) Lens housing. (e) Automotive cylinder More
Image
Published: 01 June 2016
Fig. 2.14 (a) Individual deposition efficiencies (DE) and (b) hard-phase contents in the powders and the coatings for cold spraying copper-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 More
Image
Published: 01 December 2000
Fig. 12.44 Effect of density on room-temperature fatigue strength of cold isostatically pressed (CIP) and sintered Ti-6Al-4V compacts made from blended elemental powders. Note that the higher densities are only possible in the low-chloride material with broken-up structure (BUS). TCP More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120047
EISBN: 978-1-62708-269-3
... be highly pyrophoric. Purity is important for all powder products and is critical for the consolidation of blended elemental fines where the void content must be minimal—the residual chloride content is a major factor in the amount of residual porosity of the final product. Contaminants are detrimental...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... less than 25 percent, and are relatively low in cost. Normal volume percentages are 15 to 25 percent, with SiC p particle diameters of 0.19 to 1.2 mil (3 to 30 μm). Discontinuously reinforced aluminum is usually manufactured by melt incorporation during casting or by powder blending and consolidation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
.... Then powder lots are blended. The necessity for blending is multifold. First, some powder lots or remaining portions thereof may be of insufficient weight to produce the desired component. Second, by averaging the powder over large weights, the risk of an individual lot being excluded because it fails to meet...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900167
EISBN: 978-1-62708-350-8
... during molding Preheat powder or premold; momentarily release pressure during fluid state. Burst Too short a cure period; insufficient pressure Lengthen cure period; apply sufficient pressure during transition from fluid state to solid state. Unfused Insufficient molding pressure...