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powder consolidation

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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: 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...
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: 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 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...
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...
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 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...
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
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: 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...
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...
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...
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 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
... additives, water vapor, and gases; and (4) consolidation by vacuum hot pressing or hot isostatic pressing. The consolidated cylindrical billets can then be subsequently extruded, rolled, or forged. Fig. 33.9 Powder metallurgy (PM) processing. Source: Ref 7 Whisker-reinforced MMCs may...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... (even with substantial superheat), also makes it an unsuitable candidate for precision casting [ Marder et al. 1990 , Marder 1991 ]. 20.1 Powder Consolidation To overcome these problems, alternative methods have been developed for the manufacturing of beryllium. The vast majority...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
... are available to deposit powder of the desired titanium matrix on the fibers to create a tape product. A number of processing techniques have been evaluated to consolidate continuously reinforced titanium composites, but only high-temperature/short-time roll bonding, hot isostatic pressing, and vacuum hot...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... castings is typically done in the temperature range of 890 to 955 °C (1650 to 1750 °F) under pressures ranging from 70 to 105 MPa (10 to 15 ksi) for 2 to 4 h. Similar conditions are used for titanium prealloyed powder HIP consolidation. Titanium castings are HIPed without a can or mold, making...
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
... 2.1 illustrates variations in size, shape, and surface texture for powders employed in binder-assisted processing. Variations in the powder characteristics impact the consolidation response. Fig. 2.1 Scanning electron micrographs of representative powders used in binder-assisted processing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000023
EISBN: 978-1-62708-312-6
...-atomized stainless steel powder. SEM of (a) water-atomized 409L powder, (b) water-atomized 316 stainless powder of high apparent density (slightly more rounded edges); original magnified 100 times Stainless steel powders used for consolidation through extrusion or hot pressing are usually made...