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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, such as...
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
... Specialty Handbook, 1994 ( Ref 16 ). Welding of PM stainless steels was not practiced to any great extent until the introduction of PM stainless steel exhaust flanges and hot exhaust gas outlet (HEGO) bosses in the early 1990s. Therefore, most publications addressing welding of PM stainless steels are...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000101
EISBN: 978-1-62708-312-6
... elements (copper, nickel, palladium, silver, gold, platinum). Gold, palladium, and platinum added to hot-pressed and sintered 316 stainless steel were observed to increase the oxide film thickness of the passive layer ( Ref 8 ). ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000023
EISBN: 978-1-62708-312-6
...-atomized stainless steel powder. SEM of (a) water-atomized 409L powder, (b) water-atomized 316 stainless powder of high apparent density (slightly more rounded edges); original magnified 100 times Stainless steel powders used for consolidation through extrusion or hot pressing are usually made by...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000001
EISBN: 978-1-62708-312-6
... over 15%, the third automotive application followed in the 1990s: coupling flanges and sensor bosses in car exhaust systems. Requirements, in addition to general and hot exhaust gas corrosion resistance, included elevated-temperature oxidation resistance, resistance to thermal cycling, leak resistance...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000185
EISBN: 978-1-62708-312-6
... consumer demands for extended service life, automotive exhaust systems are now increasingly made from stainless steel. For the connection of various components of an exhaust system ( Fig. 11.5 ) as well as for measuring exhaust gas properties, flanges and hot exhaust gas outlet fittings, so-called sensor...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000109
EISBN: 978-1-62708-312-6
... the Manufacturing of Exhaust Flanges and Oxygen Sensor Bosses ,” SAE Paper 03M-315, presented at SAE International Conference and Expo. , March 2003 ( Detroit, MI ) 10.4271/2003-01-0451 34. Grinder O. and Zhiqiang Z. , Effect of Oxide Inclusions on the Hot Ductility and the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000059
EISBN: 978-1-62708-312-6
..., Second European Symposium on Powder Metallurgy , Vol II , EPMA , 1968 55. Sieverts A. , Zapf G. , and Moritz H. , Z. Phys. Chem., Abt. A , Vol 183 , 1938 , p 19 – 37 10.1515/zpch-1939-18304 56. Miura H. and Ogawa H. , Austenitizing and Hot Compaction of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000005
EISBN: 978-1-62708-312-6
... temperature. However, due to the sluggish diffusion of nickel, γ would typically remain as the predominant phase. Hot working and annealing in the temperature range of 1010 to 1120 °C (1850 to 2050 °F) promotes precipitation and growth of austenite in the ferritic matrix; a duplex microstructure is developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... 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 on spray forming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... process must be compatible with the load, energy, time, and accuracy characteristics of a given forging machine. There are basically three types of presses: hydraulic, mechanical, and screw presses. These machines are used for hot and cold forging, cold extrusion trimming, and coining...
Book Chapter

By Eren Billur
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400181
EISBN: 978-1-62708-316-4
.... The chapter goes on to describe the load, energy, and time-dependent characteristics of hydraulic presses and the factors that determine accuracy. It also explains how hydraulic presses are used for deep drawing, fine blanking, and hydroforming as well as warm forming and hot stamping operations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040257
EISBN: 978-1-62708-300-3
... temperature and net shape capability while lowering the initial investment. All of the isothermal and hot-die forged aerospace parts require a stringent postforging heat treatment to produce the optimum microstructure and properties of the components. Isothermal hydraulic press forging has been developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... [ Dahl et al., 1998 ]. The press or hammer type influences the length of the contact time. Increased contact times result in increased wear. The reason for this is that the longer the die is in contact with the hot billet, the more the temperature of the dies increases and the temperature of the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500133
EISBN: 978-1-62708-317-1
... calculated at three nodes at the specified location. During the hot stamping process, the sheet is transferred from the furnace to the press. During this transfer, the sheet metal loses heat and also oxidizes. This may be avoided in the conductive heating method by directly heating the sheets, set into...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220353
EISBN: 978-1-62708-259-4
... Abstract This chapter discusses the effects of hot working on the structure and properties of steel. It explains how working steels at high temperatures promotes diffusion, which helps close cavities and pores, and how it changes the shape and distribution of segregates, offsetting their effect...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110219
EISBN: 978-1-62708-247-1
... Abstract This chapter describes three approaches for 3D hot-spot localization of thermally active defects by lock-in thermography (LIT). In the first section, phase-shift analysis for analyzing stacked die packages is performed. The second example employs defocusing sequences for the...