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compaction dies

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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
... and filling of hoppers and compaction dies, where individual components, due to differences in particle size, shape, density, surface roughness, and other properties, exhibit different flow rates. The most widely used P/M compacting grade powders are mixtures of iron with graphite, copper, nickel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170573
EISBN: 978-1-62708-297-6
..., swaging dies 11–25 Medium to coarse 84 Back extrusion punches, hot-forming punches 11–15 Medium 88 Back extrusion punches, blanking punches, and dies for high shear strength steel 10–12 Fine to medium 89 Powder compacting dies, Sendzimir rolls, strip-flattening rolls, wire-flattening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... plane has the lowest density. As more features are added to the compact, additional punches are required to produce an acceptable green compact. Cold isostatic pressing (where flexible dies press the powders togther from all directions equally) is another alternative to achieve more uniform compaction...
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
... is hot compacted in a forge press that is adapted to a vacuum system. Dies press the powder to an essentially 100% density in the required shape. The major disadvantages of this process appear to be the lack of flexibility in shapes that are pressable and the size of parts that can be produced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... for practically the entire spectrum of products, from the simple round bar to complicated sections with a circumscribing circle close to the container cross section. Flat dies are used for solid sections and porthole dies for hollow sections. Indirect extrusion comes into consideration for compact cross...
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
... is approximately 12 to 13 GPa (1.7 to 1.9 × 10 6 psi). Among the applications for this material are extrusion nozzles in steel production, wire-drawing cap stands, foils for the paper-making industry, and compacting dies. Among the toughened or high-technology ceramic materials, Mg-PSZ exhibits the best...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140021
EISBN: 978-1-62708-335-5
... and Processing Costs ,” SAE , 2000 10.4271/2000-01-0062 • Plaster Mold Handbook , American Foundrymen’s Society , 1984 • Pokorny H. and Thukkaram P. , Gating Die Casting Dies , Society of Die Casting Engineers , 1984 • Rooy E. , Improved Casting Properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
...-out systems and multiple mandrels so that several parts can be fabricated simultaneously. Filament-wound parts are usually cured in ovens rather than autoclaves, with the compaction pressure provided by mandrel expansion and fiber tension on the lay-up. Circular windings, separated from the part...
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
... best fits with production of thousands to hundreds of thousands of components, to amortize tool cost over a large number of components. Tool steel dies are used for shorter production runs, and cemented carbide dies are used for high compaction pressures and higher-volume production. Fig. 6.9...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... Abstract The vast majority of beryllium products are manufactured from blocks, forms, or billets of compacted powder that are machined or worked into shape. This chapter describes the metalworking processes used, including rolling, forming, forging, extrusion, drawing, and spinning. It covers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
... Bunshah R.F. , and Juntz R.S. , 1963 . “ Isostatic Compaction of Particulate Pure Metals without Contamination ,” UCRL-6932, University of California, Lawrence Livermore National Laboratory , Livermore, CA Butcher J.W. , 1965 . Activated Sintering of Beryllium , Conference...
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
... tools and dies for compaction of stainless steel powders: carbides and tool steels (in addition, a zirconia-base ceramic has found limited application as PM tooling material). Carbides typically comprise tungsten carbide with 12 to 14% Co, and, compared to tool steels, they offer higher strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... casting process derives its name from the mixture of clay and water added to the sand for bonding the sand particles. The sand molds are compacted into matching top and bottom flasks (or mold boxes) using a mulled mixture of silica sand, clay (bentonite), and water. The top (cope) and bottom (drag) molds...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040159
EISBN: 978-1-62708-300-3
... the requirements of various forging alloys, the influence of machine operating parameters, and production challenges related to lot tolerances and shape complexity. The chapter also covers the design of finisher dies, the prediction of forging stresses and loads, and the design of preform dies for steel, aluminum...
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
... material utilization. Powder compaction is conducted either by vacuum hot pressing (VHP) or hot isostatic pressing (HIP), as shown schematically in Fig. 4.4 . In VHP, the powder is loaded into a graphite die and vibrated, the die is placed into a vacuum hot press, a vacuum is established...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
...× life Ultrasonic electrodes D2 Welding aluminum to steel 2.5× life (mechanical wear) Wire compacting dies Inconel, M2 Compacting copper-base composite wire At least 16× life Source: Ref 30 A technique of localized alloy formation is laser surface melting with the simultaneous...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... on Fatigue Behavior of Ti-6Al-4V Prealloyed Powder Compacts , Metall. Trans. A , Vol 17 , Feb 1986 , p 271 10.1007/BF02643903 8.22 Dutta B. and Froes F.H. , The Additive Manufacture (AM) of Titanium Alloys , Adv. Mater. Process. , Feb 2014 , p 18 – 23 8.23 Dehoff R...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240453
EISBN: 978-1-62708-251-8
..., Sn, Mo, and Mn) promote the formation of cementite. This chapter examines the relative potencies of these alloys and their effect on microstructure. It covers the five most common commercial cast irons, including white, gray, ductile, malleable, and compacted graphite, describing their compositional...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7