1-20 of 136

Search Results for powder consolidation

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 October 2012
Fig. 4.4 Schematic diagrams of two powder consolidation methods. (a) Vacuum hot pressing. In this method, a column of loose beryllium powders is compacted under vacuum by the pressure of opposed upper and lower punches (left). The billet is then brought to final density by simultaneous More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2024
DOI: 10.31399/asm.tb.pmamfa.t59400073
EISBN: 978-1-62708-479-6
... of minerals ( Ref 5.4 ). However, the materials community is especially indebted to Coolidge, who performed the groundbreaking work on consolidation of tungsten powders into filament by sintering ( Ref 5.4 ). In 1918, the first research article on sintering of ceramics was published by Ferguson ( Ref 5.5...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
..., and brazing. It also discusses powder consolidation, rolling, drawing and extrusion, and common forging methods. fabrication finishing forging forming joining material removal powder processing METAL PRODUCTS that are subjected to mechanical reduction operations subsequent to casting...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... to superalloys. It describes the gas, vacuum, and centrifugal atomization processes used to make commercial superalloy powders. It explains how the powders are consolidated into preforms or billets using hot isostatic pressing, extrusion, or a combination of the two. It also provides information on spray forming...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2024
DOI: 10.31399/asm.tb.pmamfa.t59400191
EISBN: 978-1-62708-479-6
... strength phase evolution powder metallurgy shock consolidation POWDER METALLURGY (PM) has been a key player in the manufacturing sector since the 20th century, when PM principles played a significant role in fabricating tungsten filaments for incandescent lamps. Archaeological studies revealed...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2024
DOI: 10.31399/asm.tb.pmamfa.t59400051
EISBN: 978-1-62708-479-6
... Abstract This chapter covers various consolidation techniques used in powder metallurgy, including laser sintering (pressureless sintering), hot pressing, high-pressure torsion, microwave sintering, spark plasma sintering, and pulse plasma sintering. It also discusses the effect of milling...
Book Chapter

By James Foley, David L. Olson, Edgar E. Vidal
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
... they are consolidated prior to sintering. It also compares and contrasts the properties of beryllium products made using different methods and provides composition and particle size data on commercially available powders. beryllium powder beryllium powder metallurgy sintering 19.1 Introduction Powder...
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
... mechanical, chemical, electrochemical, and atomizing processes used in powder production, discusses powder treatments, and describes consolidation techniques along with secondary operations used to obtain special properties or improve dimensional precision. It also discusses common defects such as ejection...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550193
EISBN: 978-1-62708-307-2
... the properties, compositions, and processing characteristics of beryllium and its alloys. It provides information on powder production and consolidation, commercial designations and grades, wrought products, and forming processes. It also discusses the issue of corrosion, the use of protective treatments...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
... coarse grains that are difficult to process, and attempts to refine them by alloying have been largely unsuccessful. A fine grain size is produced primarily by powder metallurgy (PM) techniques, from which it inherits the fine grain size (5 to 15 μm). Powder consolidation is done by vacuum hot pressing...
Image
Published: 30 September 2024
Fig. 9.5 (a) Backscattered electron image of gas-atomized CoCrFeMnNi high-entropy alloy (HEA) powder. (b) Corresponding elemental mapping. (c) Pictures of the sample at different processing stages of consolidation. (d) Cross-sectional view of high-pressure torsion (HPT) consolidated disk. (e 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
... consolidation and shaping processes along with associated property data. fracture toughness powder metallurgy tensile properties titanium titanium alloys titanium powders FAR LESS TITANIUM is used in production applications than might be anticipated based on its performance durability. Special...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2024
DOI: 10.31399/asm.tb.pmamfa.t59400141
EISBN: 978-1-62708-479-6
... techniques. PM, powder metallurgy; P, pressure; DC, direct current Shu et al. prepared iron-base laminated metal composites (LMCs), Fe-4Ni-3Cr-0.5Mo-0.5C/Fe and 410/304L, by the PM route ( Ref 7.22 ). They consolidated the previously blended aforementioned compositions at 1250 and 1120 °C (2280...
Image
Published: 01 July 2009
Fig. 20.28 Effect of hot isostatic pressing (HIP) temperature on the ultimate tensile strength and elongation of three types of consolidated beryllium powders. The dotted line is for elongation; the solid line is for ultimate tensile strength; solid circles are for impact-ground powder More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the types of fibers and matrix materials used in ceramic matrix composites and the role of interfacial coatings. It describes the methods used to produce ceramic composites, including powder processing, slurry infiltration and consolidation, polymer infiltration...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240135
EISBN: 978-1-62708-251-8
... place during heat treatment; and true dispersion hardening, which can be achieved by mechanical alloying and powder metallurgy consolidation. It provides information on the three steps of precipitation hardening of aluminum alloys: solution heat treating, rapid quenching, and aging. precipitation...
Image
Published: 30 September 2023
Figure 10.14: The friction stir extrusion process, illustrating a rotating die pressed into a container filled with powder or machining chips/swarf. Frictional heating and pressure consolidate the powder and push the material through a die as shown. More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2024
DOI: 10.31399/asm.tb.pmamfa.t59400247
EISBN: 978-1-62708-479-6
... and condensate outside the processing chamber ( Ref 11.5 ). Laser powder-bed fusion used for metallic powder feedstock has two subsets depending on the nature of the powder consolidation process. Complete melting of the powder particles on a molecular level takes place during selective laser melting, giving rise...
Image
Published: 30 September 2024
Fig. 7.10 (a) Microstructure of molybdenum powder sintered at 1900 °C (3450 °F) under 70 MPa pressure for 30 min, showing a carbide layer on the surface. (b) Fractured surface of molybdenum consolidated at 1450 °C (2640 °F) under a load of 70 MPa with a holding time of 30 min. Source: Ref More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... of the product form used. For example, well-consolidated hot melt–impregnated tape can be successfully consolidated in very short times (minutes if not seconds), while woven powder coated or comingled prepregs require longer times for the resin to flow and impregnate the fibers. Occasionally, a process called...