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powder forged steels

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Published: 01 October 2014
Fig. 25 Jominy end-quench test results for various powder-forged steels More
Image
Published: 01 October 2014
Fig. 26 Jominy end-quench test results for various powder-forged steels More
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Published: 01 October 2014
Fig. 27 Jominy end-quench test results for various powder-forged steels More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006112
EISBN: 978-1-62708-175-7
..., and mechanical properties of powder forged (PF) steels. It reviews the parameters involved in quality assurance tests for PF parts. The article includes examples of PF components and highlights the reasons for selecting them over those made by competing forming methods. mechanical properties powder forged...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003988
EISBN: 978-1-62708-185-6
... properties of as-sintered iron and powder forged low-alloy steel is shown in Fig. 2 . Powder forging is a deformation process that aims at achieving or exceeding wrought properties through the elimination of porosity. Fig. 2 Effect of density on mechanical properties. (a) and (b) As-sintered iron...
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Published: 30 September 2015
Fig. 23 Carbon-free, powder forged, low-alloy steel processed with a two-step chemical/tint etch. Illumination using polarized light with a sensitive tint filter. Etched with 2 vol% nital plus 4 wt% picral, then Beraha's 3-10 More
Image
Published: 30 September 2015
Fig. 5 Axial fatigue of powder-metallurgy-forged 4620 steel for various levels of forging deformation. Fatigue limit increases as deformation level (height strain) increases. Source: Ref 4 More
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002486
EISBN: 978-1-62708-194-8
... components. The P/F process has been successful in developing mechanical properties in P/F steel comparable to wrought steels (see Table 3 ). This process successfully overcomes the mechanical property limitations imposed by the residual porosity in conventional P/M products. Properties of powder forged...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001044
EISBN: 978-1-62708-161-0
... high levels of strength, toughness, or hardness, the mechanical properties can be improved or modified by infiltration, heat treatment, or a secondary mechanical forming operation such as cold re-pressing or powder forging. The article also discusses the effect of the secondary processes on P/M...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006080
EISBN: 978-1-62708-175-7
...-strength powder metallurgy (PM) aluminum alloys, tool steels, and superalloys. Successful application of forging and hot pressing involves careful consideration of powder preparation (compaction, heating, and atmosphere protection) and forming process parameters (preform design, heating, tooling...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005971
EISBN: 978-1-62708-168-9
... powder forging powder metallurgy pressing quenching sinter hardening sintering steel tempering warm compaction HEAT TREATMENT OF POWDER METALLURGY (PM) parts can be exactly the same as other parts produced by other methods, but there are significant differences that must be taken...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003113
EISBN: 978-1-62708-199-3
... Abstract This article discusses the production of low-alloy steel parts by powder forging, focusing on the material considerations, such as hardenability and inclusion assessment; and process considerations, including sintering and reheating, metal flow, and secondary operations. It presents...
Book Chapter

By Erhard Klar
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003185
EISBN: 978-1-62708-199-3
... industry with wrought metals. Examples of this evolution include powder forged steels, hot isostatically pressed tool steels, nickel-base superalloys, and high specific stiffness aluminum aircraft alloys Although early uses were based on the ability of P/M to form articles of high melting point metals...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004024
EISBN: 978-1-62708-185-6
... filled epoxy A6 tool steel and tungsten carbide slurry Ceramic Tool steel powder Tool steel Technique Vacuum degassing Mixing of slurry Vacuum cast Hot isostatic pressing Spray forming Post processing Curing Sintering and infiltration Thermal curing Decanning Cooling to room...
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Published: 30 September 2015
Fig. 41 Typical standard deviation obtained from fatigue tests on connecting rods manufactured through powder forging and steel forging. Source: Ref 82 More
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003991
EISBN: 978-1-62708-185-6
... temperatures, as well as any cost savings that may be achieved as a result of the elimination of post-forging heat treatments, must be weighed against the cost increases in the forge shop. Powder Metallurgy Steel Forgings Powder metallurgy (P/M) steels are also hot forged from unsintered, presintered...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006094
EISBN: 978-1-62708-175-7
... York, and was also supplying René 95 as-HIP components to GE. Wyman-Gordon was also active in these programs, purchasing René 95 powder from Carpenter Steel and consolidating the material by HIP at its Millbury, Massachusetts facility. In 1980, at the Farnborough location of the Paris Air Show...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006142
EISBN: 978-1-62708-175-7
...” in this Volume. A number of traditional metal working methods, such as rolling, forging, and extrusion, are found suitable for consolidating metal powders into high density PM materials. These processes are adapted to accommodate powders or powder compacts as feed material without much difficulty. Also...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003993
EISBN: 978-1-62708-185-6
... alloy forgings. cobalt-base alloys forging forging equipment grain refinement heat treatment heat-resistant alloys hot deformation iron-nickel superalloys melting microstructure nickel-base alloys powder alloys precipitation-strengthened superalloys solid-solution-strengthened...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006042
EISBN: 978-1-62708-175-7
.... The article describes the available process routes for fabricating products using HIP and the steps involved in the production of a part via direct HIP of encapsulated gas-atomized spherical powder. It concludes with information on the microstructures of 316L stainless steel HIP powder metallurgy valve body...