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compacting presses

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Image
Published: 01 December 2006
Fig. 6.4 Short-stroke press (compact press) for direct extrusion More
Image
Published: 30 April 2020
Fig. 6.11 Mechanical die compaction press More
Image
Published: 30 April 2020
Fig. 6.12 Cross-sectional view of a small mechanical compaction press, where an electric motor drives the system. The enlarged view sketches the type of tool set that would be inserted in this press. More
Image
Published: 30 April 2020
Fig. 6.30 Productivity measured by the parts per minute possible in die compaction. The higher-compaction presses naturally run slower. More
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...
Image
Published: 30 September 2023
Figure 11.25: Powder compaction with (a) single action and (b) dual action press; (c) and (d) illustrate density variations in single vs. multi-action presses. Lighter shade indicates lower density (exaggerated). 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: 30 April 2020
Fig. 6.5 Example of alumina compaction data showing the pressed density as a percentage of theoretical for 0.4 μm powder agglomerated with 5 wt% polyvinyl glycol. At high pressures, the compact becomes more resistant to densification. Source: Verma et al. ( Ref 1 ) More
Image
Published: 01 October 2012
Fig. 4.5 Effects of compaction method on properties of S-200. VHP, vacuum hot press; HIP, hot isostatic press; YS, yield strength; UTS, ultimate tensile strength; L, longitudinal; T, transverse. Source: Ref 4.2 More
Image
Published: 01 July 2009
Fig. 20.29 Effect of compacting pressure on the green density of uniaxially cold pressed beryllium powder. Source: Marder 1998b More
Image
Published: 01 January 2015
Fig. 8.45 Microstructures of prealloyed Ti-6Al-4V compacts. (a) Hot isostatic pressed (HIP) at 900 °C (1650 °F), 105 MPa (15 ksi), for 2 h. (b) Thermohydrogen processed (THP) using HIP at 900 °C (1650 °F), 105 MPa (15 ksi), for 2 h. (c) THP at 900 °C (1650 °F), 105 MPa (15 ksi), for 12 h More
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250139
EISBN: 978-1-62708-345-4
.... Figure 1 summarizes the various P/M manufacturing methods used in gear production. The conventional process consisting of compaction (pressing) and sintering is the most commonly employed method for producing gears. Selection of a process method depends on factors such as dimensional accuracy...
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 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000223
EISBN: 978-1-62708-312-6
...- repeated compacting, sizing, or coining. See mingling of powder fractions of the same press. nominal composition to adjust physical characteristics. average density. The density measured on an entire body or on a major number of its parts blistering. The formation of surface bubbles on whose measurements...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
..., licensed to General Astrometals. (b) Semicommercial high-purity powder. (c) Semicommercial very high-purity flake 19.3 Powder Consolidation 19.3.1 Cold Compaction Traditionally, a major part of commercial operations is based on vacuum hot pressing. Some complex configurations have been...
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
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
.../M compact, annealed and forged (c) 925 134 840 122 12 27 … … … … P/M compact, STA(g) 965 140 895 130 4 6 … … … … P/M, powder metallurgy; STA, solution treated and aged; HIP, hot isostatically pressed. (a) Charpy values at –40 °C (–40 °F). (b) ~94% dense. (c...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Image
Published: 01 January 2015
Fig. 8.66 (a) Pseudobinary phase diagram for Ti-6Al-4V. X represents the hydride phase. CST, constitutional solution treatment. Refinement of the microstructure of Ti-6Al-4V powder compact using the thermohydrogen processing technique is shown in (b) as hot isostatic pressed coarse alpha laths More