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hot isostatic pressing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140055
EISBN: 978-1-62708-335-5
...Abstract Abstract Hot isostatic pressing (HIP) is a process refinement available to address internal porosity in castings. The HIP process may be used, in particular, for applications requiring very high quality and performance. This chapter discusses the principles, advantages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... application 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140021
EISBN: 978-1-62708-335-5
... process technologies used with castings, including metallurgical bonding, metal-matrix composites, and hot isostatic pressing. aluminum alloy castings expendable mold gravity-feed casting nonexpendable mold gravity feed casting pressure die casting 3.1 History Aluminum alloy castings were...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... electrode arc melting, electron beam hearth melting, rammed graphite mold casting, sand casting, investment casting, hot isostatic pressing, weld repair, and heat treatment -- along with related equipment, process challenges, and achievable properties and microstructures. It also explains how titanium parts...
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 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 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120039
EISBN: 978-1-62708-269-3
... for titanium and its alloys. The result has been a somewhat checkered application of titanium castings with a more widespread acceptance of the practice in the past decade. Now, a combination of casting and hot isostatic pressing (HIP) processing produces titanium alloys with acceptable mechanical properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
... such as niobium, chromium, manganese, vanadium, tantalum, and tungsten. Gamma titanium aluminide alloys can be processed by ingot metallurgy, powder metallurgy, or by casting to final shape ( Fig. 6.12 ). Fig. 6.12 Processing methods and routes for gamma titanium aluminides. HIP, hot isostatic pressing; HP...
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 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
... turbine rotor with cast gamma aluminide alloy blades after rigorous test in General Electric gas turbine Larger cast structures are more difficult to produce due to the need to hot isostatically press the cast structure for optimum properties. It is claimed that cast Ti-48Al-2Cr-2Nb alloy can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
.... , Cleveland, OH • Paquin R.A. , 1985 . Hot Isostatic Pressed Beryllium for Large Optics , SPIE Proceedings , Vol 571 , Sanger G.M. , Ed., p 259 – 266 10.1117/12.950416 • Pinto N.P. , 1954 . The Warm Pressing of Beryllium Powder , Trans. Am. Inst. Miner. Metall. Eng...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230209
EISBN: 978-1-62708-298-3
..., fatigue, ductile-to-brittle transition, notch sensitivity, microyield, and yield phenomena. 17.1 Vacuum Hot-Pressed Block Properties 17.2 Hot-Isostatic-Pressed Properties 17.3 Yield-Point and Portevin-Le Chatelier Effects 17.4 Microyield Properties 17.5 Fracture Toughness and Ductile...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
... was used some years ago but only to a very limited extent. Vacuum Hot Pressing Hot Isostatic Pressing Particle-reinforced TMCs are processed by PM methods. Although a variety of materials have been studied, the most common combination is Ti-6Al-4V reinforced with 10 to 20 wt% TiC...
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
...Comparison of powder processing methods Table 2 Comparison of powder processing methods Characteristic Method Conventional Metal injection molding Hot isostatic pressing Powder forging Size Good Fair Excellent Good Shape complexity Good Excellent Very good Good...
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...
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
..., and Structure on Properties of Ceramics and Glasses , Materials Selection and Design , Vol 20 , ASM Handbook , ASM International , 1997 10.31399/asm.hb.v20.a0002463 10.8 Quinn G.D. , Fracture Mechanism Maps for Advanced Structural Ceramics: Part 1, Methodology and Hot-Pressed Silicon Nitride...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120095
EISBN: 978-1-62708-269-3
... Number of melting steps Method for mechanically working ingots into mill products Steps in forging a shape Casting process and volume of cast article plus use of densification techniques, such as hot isostatic pressing (HIP), to reduce casting porosity Powder metallurgy (P/M) process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230163
EISBN: 978-1-62708-298-3
... of the aluminum phase. A composition of 50Be-47.5Al-2.5Ag (wt%) was centrifugally atomized and hot isostatically pressed to make a dense compact. One of the main features of the microstructure of this alloy was that the beryllium and aluminum phases were continuous, a consequence of rapid solidification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... for the manufacturing of beryllium. The vast majority of these methods involve the use of beryllium powders. The powders are consolidated under pressure in vacuum at an elevated temperature to produce vacuum hot pressed (VHP) blocks and vacuum hot isostatic pressed (HIP) forms and billets. (The term block...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... additives), water vapor, and gases; and (4) consolidation by vacuum hot pressing or hot isostatic pressing. Then the consolidated billets are normally extruded, rolled, or forged. Fig. 20.14 Powder metallurgy processing. PM Al, powder metallurgy aluminum; SiC p , silicon carbide particulate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
... 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, hot isostatic pressing, or cold isostatic pressing followed by vacuum sintering. Beryllium powder and dust are toxic, which further increases its cost, since...