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powder pressing

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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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000039
EISBN: 978-1-62708-312-6
... Abstract This chapter discusses the methods by which stainless steel powders are shaped and compacted prior to sintering, including rigid die compaction, metal injection molding, extrusion, and hot isostatic pressing. It explains where each process is used and how processing parameters...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... as aluminum-reduced master alloys. The aluminum content of such binary and ternary alloys is generally 6% (by weight) or less. Oxygen is often added as well-dispersed TiO 2 powder. Such melt charges are most commonly blended, with or without granular scrap, and are then compacted into blocks by pressing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
... Abstract This chapter describes secondary processes employed in the production of powder-metal stainless steel parts, including various machining operations, welding, brazing, sinter bonding, resin impregnation, re-pressing and sizing, and surface finishing. It also discusses the factors...
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
... and powder pressing (conventional powder metallurgy). Such shaping ideas are applicable to almost all engineering materials. Powder-binder fabrication routes are inherently similar, yet the processing details for any component vary widely on close inspection. The common features are outlined in Fig. 1.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120143
EISBN: 978-1-62708-269-3
... OT Others total PH Precipitation hardened PHT Precipitation heat treated Pip Pipe Plt Plate Powd Powder Press Pressure Prl Pearlitic Quen Quenched and aged QT Quenched Q/T Quenched/tempered Res Resistant Rng Ring Rod Rod RT Room temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... to use higher compaction pressures in an effort to achieve high density, high performance powder metallurgy (P/M) steels. Proper press setup for molding P/M parts is also critical to prevent cracking. In a flanged part that experiences a change in diameter, density in the hub and flange should be nearly...
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
... cracks, density variations, and microlaminations. powder characteristics powder metallurgy POWDER METALLURGY (P/M) is the process of blending fine powdered materials, pressing (compacting) them into a desired shape or form, and then heating the compressed material in a controlled atmosphere...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
... on the Metallurgy of Beryllium ( Grenoble, France ), p 555 – 564 Butcher J.W. , and Beasley D. , 1964 . The Influence of Pressure, Temperature, and Time on the Hot Pressing of Commercial Beryllium Powder , Powder Metall. , Vol 7 ( No. 14 ), p 313 – 326 10.1179/pom.1964.7.14.015...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
... applicable to these shaping processes. additive manufacturing cold isostatic pressing die compaction extrusion injection molding shaping slip casting slurry casting tape casting Various powders and powder-binder formulations are used with combinations of pressure and temperature to form...
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
..., B 4 C is densified with pressure, as in hot pressing. This limits the complexity of shapes possible without excessive grinding and machining. Another disadvantage of B 4 C is the high cost of the powders and subsequent processing. As such, B 4 C has found use only in applications that demand...
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
..., powder metallurgy; STA, solution treated and aged; HIP, hot isostatically pressed. (a) Charpy values at –40 °C (–40 °F). (b) ~94% dense. (c) Almost 100% dense. (d) Annealed at 730 or 845 °C (1345 or 1555 °F). (e) Alpha-beta STA: 955 °C, 1 h, cool + 620 °C, 2 h (1750 °F, 1 h, cool...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230209
EISBN: 978-1-62708-298-3
.... , 1990 . Fracture Toughness of Vacuum Hot-Pressed Beryllium Powder , Advances in Powder Metallurgy Proceedings , Metals Powder Industries Federation , Princeton, NJ , p 27 – 36 Hashiguchi D.H. , Clement T.P. , and Marder J.M. , 1988 . Properties of Beryllium Consolidated...
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
... components. Powder metallurgy processing allows grain sizes as low as 1 to 10 μm when required. Consolidation by vacuum hot pressing, hot isostatic pressing, pressing and sintering, or other processes can produce parts with density values in excess of 99.5% of the theoretical value of 1.85 g/cm 3 (0.067 lb...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... Beryllium from 195 °C to 700 °C ,” RFP-1194, The Dow Chemical Company, Rocky Flats Division , Golden, CO Benshuang S. , and Xinghai S. , 1996 . Beryllium Benefits from CIP/HIP Pressing , Met. Powder Rep. , Vol 51 ( No. 5 ), p 28 – 30 10.1016/S0026-0657(99)80527-X Bishop J.F...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730139
EISBN: 978-1-62708-283-9
... powder processing sheet forming References 13.1 Hosford W.F. , Materials for Engineers , Cambridge University Press , 2008 10.1017/CBO9780511810732 13.2 Hosford W.F. and Caddell R.M. , Metal Forming: Mechanics and Metallurgy , 4th ed...
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 controlled (and often unusual) properties can be produced by PM methods. The most common method of PM part production is the two-step process of powder compaction (by pressing) and densification (by sintering), referred to as PM pressing and sintering . There are also other methods of powder compaction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000131
EISBN: 978-1-62708-312-6
... Abstract This chapter discusses the advantages of using powder metallurgy to produce magnetic materials, particularly its ability to control chemistry and near-net shape. It also explains how process parameters and powder characteristics influence the physical and magnetic properties of common...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
..., and powder metals. It discusses their properties and applications as well as suitable equipment for extrusion. It further discusses the processes involved in the extrusion of semifinished products in exotic alloys and extrusion of semifinished products from metallic composite materials. extruded metal...