1-20 of 265 Search Results for

closed-die steel forgings

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Published: 01 November 2013
, copper alloys, magnesium alloys, beryllium, stainless steels, nickel alloys, titanium and titanium alloys, iron and nickel and cobalt superalloys, niobium and niobium alloys, tantalum and tantalum alloys, molybdenum and molybdenum alloys, tungsten alloys Process variations Closed-die forging More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040007
EISBN: 978-1-62708-300-3
... flows through a die in the same direction as the punch. Equipment Hydraulic and mechanical presses. Materials Carbon and alloy steels, aluminum alloys, copper alloys, magnesium alloys, titanium alloys. Process Variations Closed-die forging without flash, P/M forging. Application...
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
... steels, nickel alloys, titanium and titanium alloys, iron and nickel and cobalt superalloys, niobium and niobium alloys, tantalum and tantalum alloys, molybdenum and molybdenum alloys, tungsten alloys Process variations Closed-die forging with lateral flash, closed-die forging with longitudinal flash...
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
.... It describes special cases of segregation, including banding and why it occurs, and the application of closed die forging. The chapter also presents several examples of hot working defects, including forging laps, cracks, and overheated or burned steel. closed die forging hot working inclusions open...
Image
Published: 01 November 2013
Fig. 13 Closed-die forging without flash. Source: Ref 9 Definition In this process, a billet with carefully controlled volume is deformed (hot or cold) by a punch in order to fill a die cavity without any loss of material. The punch and the die may be made of one or several pieces More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040159
EISBN: 978-1-62708-300-3
.... Fig. 14.1 A flow chart illustrating forging process design [ Vasquez et al., 2000 ] The terminology used to describe the flash zone in impression- and closed-die forging can be seen in Fig. 14.2 . The flash dimensions and billet dimensions influence: The flash allowance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... are sometimes heated close to the forging temperature in processes known as isothermal forging or hot-die forging . This prevents excessive cooling when producing thin walls or webs. Tool steel dies are often not capable of processing temperatures for hot-die and isothermal forging, and so more expensive die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040193
EISBN: 978-1-62708-300-3
... a variety of application examples. closed-die forging finite-element analysis impression-die forging microstructure process modeling 16.1 Introduction Development of finite-element (FE) process simulation in forging started in the late 1970s. At that time, automatic remeshing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250129
EISBN: 978-1-62708-345-4
... Forging has long been used in the manufacture of gears. This is particularly true for the production of gear blanks which would subsequently be cut/machined into the final desired configuration. Gear blanks have been produced by open-die forging, closed-die forging ( Fig. 7 ), and hot upset forging...
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 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, press...
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
... or closed-die forging ( Fig. 16.10 ). Open-die forging is carried out between two flat dies or dies with very simple configurations, such as V-shaped or semicircular cavities. In closed-die forging, the metal to be forged is placed between two dies that have the upper and lower impressions of the desired...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340165
EISBN: 978-1-62708-427-7
... While impression or closed-die forging confines the metal in dies, open-die forging is distinguished by the fact that the metal is never completely confined or restrained in the dies. Most open-die forgings are produced on flat dies. Different modifications to the process are possible using various...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
... 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 al., 1968] Neuberger F., et al. , “ Transverse Rolling, ” Met. Form. , Vol 35 , Oct 1968 , p 1...
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
... or low-alloy steels. For example, preforms made by open-die forging, upsetting, ring rolling, or extruding are used to a greater extent for closed-die forging of superalloys than for steel. Because of the greater difficulties in forging superalloys, compared with forging similar sizes and shapes from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480225
EISBN: 978-1-62708-318-8
... Abstract This chapter discusses the equipment and processes used to convert titanium billet and bar into useful shapes or more refined product forms. These secondary working operations include open-die, closed-die, hot-die and isothermal forging as well as ring rolling and extruding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040185
EISBN: 978-1-62708-300-3
... of the forging with an empirical pressure value, for example, 60 to 100 ksi (415 to 690 MPa) for forging steels and 20 to 30 ksi (140 to 205 MPa) for forging aluminum alloys, where higher values are used for thinner forgings and stronger alloys. The forging load and die stresses may be calculated using...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390325
EISBN: 978-1-62708-459-8
... of metals in open-die, closed-die, and impression-die forging and in back extrusion and piercing operations. It presents various ways to achieve fluid-film lubrication in upset forging processes and examines the cause of barreling, defect formation, and folding in the upsetting of cylinders, rings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040211
EISBN: 978-1-62708-300-3
... and forged in several steps. In forging of relatively small production lots, vertical presses are used, and individual billets (after being lubricated) are fed into the first die station. Billet volume or weight is closely controlled, and it is desirable to obtain square billet faces during shearing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
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
..., magnetic particle, liquid penetrant, ultrasonic, eddy current, and radiographic inspection. Flaws Originating in the Ingot Many large open-die forgings are forged directly from ingots. Most closed-die forgings and upset forgings are produced from billets, rolled bar stock, or preforms. Many, though...