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closed-die forging

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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
.... Using EMPA (WDS) manganese segregation was identified: (Mn average = 1.0% Mn segregate = 1.8%). Etchant: nital 2%. Fig. 11.54 Cross sections of parts produced by closed die forging. Fiber orientation is clearly visible. The fibers are not cut, indicating a good forging design. For improved...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
... methods, including open-die and closed-die forging, hot upset and roll forging, high-energy-rate forging, ring rolling, rotary swaging, radial and orbital forging, isothermal and hot-die forging, precision forging, and cold forging. The chapter also includes information on cold and hot extrusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040007
EISBN: 978-1-62708-300-3
... forging processes, including closed-die forging, extrusion, electrical upsetting, radial forging, hobbing, isothermal forging, open-die forging, orbital forging, and coining. forging processes 2.1 Introduction 2.2 Forging Operation as a System 2.3 Types of Forging Processes References...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480225
EISBN: 978-1-62708-318-8
.... 10.13 Macrostructure of rolled Ti-6Al-4V ring illustrating the predominantly tangential grain flow Fig. 10.14 The grain flow shown in this macrostructure of a closed-die radial section of a compressor wheel forging differs from that of the rolled ring in Fig. 10.13 . Fig. 10.9...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040193
EISBN: 978-1-62708-300-3
... includes a variety of application examples. closed-die forging finite-element analysis impression-die forging microstructure process modeling 16.1 Introduction 16.2 Information Flow in Process Modeling 16.3 Process Modeling Input 16.4 Characteristics of the Simulation Code 16.5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040159
EISBN: 978-1-62708-300-3
.... , Oh S.-I. , Gegel H.L. , Metal Forming Fundamentals and Applications , American Society for Metals , 1983 . [Bruchanov et al., 1955] Bruchanov A.N. , and Rebelski A.V. , Closed-Die Forging and Warm Forging , Verlag Technik , 1955 (German translation from Russian...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
...Abstract Abstract This chapter defines near-net shape forging as the process of forging parts close to their final dimensions such that little machining or only grinding is required as a final step. It then describes the causes of dimensional variations in forging, including die deflection...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
... of the microstructure; therefore, forging is often used to prepare cast ingots for other bulk deformation processes, such as hot rolling; and (2) forging is also a major method of producing semifinished or near-net shapes. Forging processes can be described as open-die forging or closed-die forging ( Fig. 16.10 ). Open...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
.... , Handbook of Forging (in German), Hanser Verlag , 1971 . [Haller, 1982] Haller H.W. , Practice of Impression Die Forging (in German), Hanser Verlag , 1982 . [Lange, 1958] Lange K. , Closed-Die Forging of Steel (in German), Springer-Verlag , Berlin , 1958 . [Neuberger et...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... A A A A A A LC A LC A LC Investment casting LC A A A A A LC LC LC A LC Die casting NA NA NA NA A LC A A NA NA NA Impact extrusion NA A A LC A A A LC NA NA NA Cold heading NA A A A A A LC LC NA LC NA Closed die forging NA A A A A A NA A A LC...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040107
EISBN: 978-1-62708-300-3
... [Altan et al., 1973] Altan T., et al. , Forging Equipment, Materials and Practices , Metal and Ceramics Information Center , HB03, 1973 , p 4 – 7 . [Kienzle, 1965] Kienzle O. , Characteristics of Data in Machine Tools for Closed Die Forging , (in German), Werkstatttechnik...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040185
EISBN: 978-1-62708-300-3
.... , and Altan T. , “ Estimation of Forging Load in Closed-Die Forging, ” Battelle Columbus Laboratories , 1975 . [Schey et al.] Schey J.A., et al. , “ Metal Flow in Closed-Die Press Forming of Steel, ” Research Report to American Iron and Steel Institute, IIT Research Institute , Chicago...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... Limitations Liquid Penetrant Detection of Flaws in Steel Forgings Liquid Penetrant Detection of Flaws in Heat-Resistant Alloy Forgings Postemulsifiable System Solvent-Removable System Open-Die Forgings Closed-Die and Upset Forgings Ring-Rolled Forgings Steel Forgings Heat-Resistant...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280091
EISBN: 978-1-62708-267-9
... forging categories can be subdivided into: Open-die forgings Open-die forgings formed with the aid of plugs and rings to impart certain shapes Closed-die blocker-type forgings Closed-die finish forgings Which type is produced depends on complexity of shape and tolerances required...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120033
EISBN: 978-1-62708-269-3
... currently available. These methods include open-die, closed-die, rotary forging, and others. Selection of the optimal forging method is based on the shape desired for the forged component as well as its desired mechanical properties and microstructure (which largely determine properties after alloy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250129
EISBN: 978-1-62708-345-4
...-die forging, closed-die forging ( Fig. 7 ), and hot upset forging. During the past thirty-five years there has been considerable research and development aimed at producing near-net or net-shape gears by precision forging. Today precision forged gears requiring little or no finish machining...
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.t51040059
EISBN: 978-1-62708-300-3
... at the Die/Material Interface 6.5 Measurement of Interface Heat Transfer Coefficient 6.6 Influence of Press Speed and Contact Time on Heat Transfer References References [Altan et al., 1970] Altan T. , Gerds A.F. , “ Temperature Effects in Closed-Die Forging ,” ASM Technical Report...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
... • Schey J.A. and Wallace P.W. , Research Report: Metal Flow in Closed Die Forging of Steel, Part 2: Speed and Lubrication Effects , American Iron and Steel Institute , New York , 1966 • Schey J.A. , Wallace P.W. , and Shunk F.A. , Research Report: Metal Flow in Closed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
... breakdown of ingots of gamma titanium aluminide alloys leads to improved workability with regard to both fracture resistance and reduced flow stresses. These improvements are useful in secondary processes such as sheet rolling, superplastic forming of sheet, and isothermal, closed-die forging. Two major...