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press-sintering

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Published: 01 June 2007
Fig. 5.5 Effect of density on corrosion resistance of 316L parts. Δ, pressed and sintered only; o, pressed, sintered, re-pressed, and annealed. Source: Ref 13 . Reprinted with permission from MPIF, Metal Powder Industries Federation, Princeton, NJ More
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Published: 01 January 2015
Fig. 8.24 Effect of density on yield and tensile strengths of pressed-and-sintered Ti-6Al-4V More
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Published: 01 January 2015
Fig. 8.25 Effect of density on the fatigue endurance limit of pressed-and-sintered Ti-6Al-4V More
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Published: 01 January 2015
Fig. 8.27 Pressed-and-sintered blended-elemental Ti-6Al-4V connector link arm for the Pratt & Whitney F100 engine. Courtesy of Imperial Clevite Inc. More
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Published: 01 January 2015
Fig. 8.33 Ti-6Al-4V parts produced using a pressed-and-sintered approach and titanium hydride. 1) Connecting rod with big end cap. 2) Saddles of inlet and exhaust valves. 3) Plate of valve spring. 4) Driving pulley of distributing shaft. 5) Roller of strap tension gear. 6) Screw nut. 7 More
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Published: 01 June 2007
Fig. 8.7 Hysteresis curves of as-sintered, annealed, and re-pressed 410L stainless steel sensor rings. Source: Ref 16 . Reprinted with permission from SAE Paper 930449 ©2003 SAE International More
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Published: 01 December 2000
Fig. 7.5 Cold isostatically pressed-plus-sintered compressor blade preform and final part forged from preform. At left, a preform; at right, finished part. Courtesy of Imperial Clevite Technology Center More
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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
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170596
EISBN: 978-1-62708-297-6
... HRB … … (a) PSR, press-sinter-repress; INF, press-sinter-infiltrate; PS, press-sinter; PSE, press-sinter-extrude; IO, internal oxidation; PPSE, preoxidize-press-sinter-extrude. (b) Annealed. (c) Cold worked Refractory Metal and Carbide-Base Composites Refractory metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
..., continuous fiber ceramic composites, and carbon-carbon composites. It also describes a number of ceramic-matrix composite processing methods, including cold pressing and sintering, hot pressing, reaction bonding, directed metal oxidation, and liquid, vapor, and polymer infiltration. ceramic-matrix...
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
... range for P/M steel consolidation methods Table 2 Density range for P/M steel consolidation methods P/M method Density range, g/cm 3 Notes Pressed-and-sintered steel 6.9–7.1 Conventional powder metallurgy Double processing (press, presinter, restrike, full sinter, heat treat) 7.2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
... in consolidating normal-purity grades of beryllium is related to the oxide coating and contaminants, especially silicon. Silicon is a sintering aid that permits full densification of the hot pressed billets using hot pressing conditions. Sintering can be performed, but the properties of the sintered billets...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000223
EISBN: 978-1-62708-312-6
... are then averaged. the compact during sintering, caused by dynamic evolution of air or gases hold the axial loading. The application of pressure on a green compacts during passage through powder or compact in the direction of the a continuous sintering furnace. press axis. bonding. The joining of compacted or loose...
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
..., or by gravity, from a storage hopper into the die in an automated compacting press. With decreasing particle size, increasing amounts of fines (–325 mesh), and with more irregular particle shapes, powder flowability deteriorates. Moderate amounts of fines also provide for a good balance between sintering speed...
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Published: 01 August 1999
Fig. 6.18 Effect of sintering temperature on iron. Low-carbon iron mixed with 0.75% lubricant, pressed to a density of 6.5 g/cm 3 . Sintered in dissociated ammonia for 30 min. 2% nital. 300×. Sintering temperature: (a) As-pressed. (b) 1066 °C. (c) 1121 °C. (d) 1171 °C. More
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 October 2012
compaction and sintering in the final stages of pressing (right). (b) Hot isostatic pressing. In this process, the powder is simultaneously compacted and sintered to full density inside a pressure vessel within a resistance-heated furnace (left). The powder is placed in a container, which collapses when 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
... elemental (BE) method, a blend of elemental powders, along with master alloy or other desired additions, is cold pressed into shape and subsequently sintered to higher density and uniform chemistry. In the prealloyed (PA) method, hot consolidation is performed on powder produced from prealloyed stock...