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powder processing

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Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.9781627082907
EISBN: 978-1-62708-290-7
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.9781627081757
EISBN: 978-1-62708-175-7
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005669
EISBN: 978-1-62708-198-6
.... biomedical applications cast cobalt alloys cast cobalt-chromium-molybdenum alloys chemical composition cobalt-chromium alloy implants coring corrosion properties crystal structure diffusionless phase transformation lattice defects mechanical properties metal powder processing microstructure...
Book Chapter

By P.S. Grant
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005225
EISBN: 978-1-62708-187-0
... ingot casting, direct chill casting, powder metallurgy, and so on. The process is shown schematically in Fig. 1 for the most widely employed spray casting configuration used in the production of cylindrical preforms. Other configurations allow for the manufacture of large-diameter rings and tubes or...
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
... Abstract This article focuses on the significant fundamental powder characteristics, which include particle size, particle size distribution, particle shape, and powder purity, followed by an overview of general and individual powder production processes such as mechanical, chemical...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003129
EISBN: 978-1-62708-199-3
... Abstract This article provides an overview of the composition and properties of powder metallurgy (P/M) aluminum powders for pressed and sintered parts. It includes the steps involved in the processing of high-performance P/M alloys. The article describes the classes of high-performance P/M...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001317
EISBN: 978-1-62708-170-2
... silica, in powder or particulate form; and structural supports such as the monoliths upon which catalyzed carders are deposited. The article also describes catalyst powder processing techniques for tableting, beading, extrusion, spray drying and honeycombing. active carriers beading catalyst...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... Abstract This article explains how ceramic powders are made. It begins by briefly describing the raw materials used in structural clay products, whitewares, refractories, and advanced ceramics. It then examines various additives that promote uniformity at different stages of the process. After...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003141
EISBN: 978-1-62708-199-3
... short note on powder metallurgy products of titanium. Casting processes and properties are covered in the final section. casting die forging extrusion fabrication forming joining machining mill products titanium titanium alloys TITANIUM metal passes through three major steps during...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003112
EISBN: 978-1-62708-199-3
... process, Pyron process, atomization of liquid metal, thermal decomposition and the electrodeposition process for carbonyl and electrolytic iron powders. It describes the types of compaction and sintering, explaining their effects of processing with designations. Further, the article deals with the...
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
... Abstract Powder forging is an extension of the conventional press and sinter powder metallurgy process, which is recognized as an effective technology for producing a variety of parts to net or near-net shape. This article focuses on the material considerations, such as powder characteristics...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003113
EISBN: 978-1-62708-199-3
... for powder forging is 86%. 1 lb = 453.6 g Fig. 3 Jominy hardenability curves for (a) P/F-4600, (b) P/F-4200, and (c) Fe-Cu-C materials at various forged carbon levels. Vickers hardness was determined at a 30 kgf load. Fig. 4 Small, well-distributed, rounded pores in a MIM-processed...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006015
EISBN: 978-1-62708-172-6
... systems, pigments, extenders, and additives. The basic process flow for the manufacture of powder coatings consists of premix, extrusion, grinding, and packing. The article also provides information on application of powder coatings, including pretreatment, deposition, and curing as well as on...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006445
EISBN: 978-1-62708-190-0
... Abstract The potential for introducing defects during processing becomes greater as the relative density of pressed and sintered powder metallurgy (PM) parts increases and more multilevel parts with complex geometric shapes are produced. This article discusses the potential defects in pressed...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003835
EISBN: 978-1-62708-183-2
... Abstract This article provides a detailed discussion on the most commonly employed tests and specific examples of the use of these tests in evaluating the corrosion resistance of powder metallurgy (P/M) stainless steels. It describes the influence of various processing parameters on the...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005199
EISBN: 978-1-62708-187-0
... processes: (c) powder injection and (d) wire feeding. Vacuum processes: (e) stream degassing, (f ) Ruhrstahl-Heraeus degassing, and (g) Dortmund-Horder-Huttenunion degassing. Heating processes: (h) Vacuum oxygen decarburization process, (i) vacuum arc degassing process, and (j) ladle furnace process...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003972
EISBN: 978-1-62708-185-6
... processing or to bulk machining to produce the finished product form. In all cases, whether the finished product form is produced directly by powder consolidation, casting, deformation, or machining processes, it may require further processing to meet the product design objectives. Improved mechanical...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005339
EISBN: 978-1-62708-187-0
... speed is too fast, the preform can be deformed on infiltration. A threshold pressure is required to initiate melt flow through a fibrous preform or powder bed. This pressure begins in the thermodynamic surface energy barrier because of nonwetting. The threshold pressure increases with increasing...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003065
EISBN: 978-1-62708-200-6
... powdered raw materials into a homogeneous liquid, free of visible defects, ready for forming by various processes. The product requirements of each application determine the quality of raw materials, the type of melter, and its operating conditions. The melting process should minimize the internal...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005425
EISBN: 978-1-62708-196-2
... flow, gross defects in bulk forming Finite-element models deformation processes Strain/metal flow, strain rate, temperature in deformation processes; powder consolidation Finite-element/finite-difference models solidification processes Fluid flow, solidification in solidification processes...