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nonlubricated hot extrusion

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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
... types of hot extrusion are nonlubricated, lubricated, and hydrostatic ( Fig. 16.17 ). In nonlubricated hot extrusion, the material flows by internal shear, and a dead-metal zone is formed in front of the extrusion die. Lubricated extrusion, as the name implies, uses a suitable lubricant, usually glass...
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.t51040067
EISBN: 978-1-62708-300-3
... to 0.3 in hot forming of titanium and high-temperature alloys with glass lubricants. m = 0.7 to 1.0 when no lubricant is used, e.g., in hot rolling of plates or slabs and in nonlubricated extrusion of aluminum alloys. There are numerous parameters that influence the friction and lubrication...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260149
EISBN: 978-1-62708-336-2
... extrusion speed before the onset of speed cracking or hot shortness. Figures 20 and 21 illustrate the concept of optimizing speed and exit temperature to maintain the best quality of extrusion with maximum output. The extrusion press equipped with a closed-loop temperature measuring system for both...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980141
EISBN: 978-1-62708-342-3
.... , Warmformverhalten von Aluminiumlegierungen beim direkten Strangpressen ( Hot-Working Characteristics of Aluminum Alloys in Direct Extrusion ), Aluminium , Vol 65 , 1989 , p 291 – 294 [Los 77]: Lossack E. , Erzmetall , Vol 30 , 1977 , p 243 10.1111/j.2044-8317.1977.tb00747.x [Los 83...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040159
EISBN: 978-1-62708-300-3
..., copper, and aluminum alloys with graphite-based lubricants m = 0.1 to 0.3 in hot forging of titanium and high-temperature alloys with glass lubricants m = 0.7 to 1 when no lubricant is used, e.g., in hot rolling of plates or slabs and in nonlubricated extrusion of aluminum alloys Heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... a few selected forming operations, such as hot rolling of plates or slabs and nonlubricated extrusion of aluminum alloys. Boundary lubrication ( Fig. 7.2 ) is defined as a condition where the solid surfaces are so close together that surface interaction between single or multimolecular films...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.9781627083423
EISBN: 978-1-62708-342-3
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 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... (a) W, wrought; C, cast; HP, hot pressed; PS, pressed and sintered. (b) Manufacturer: BW, Babcock and Wilcox; Carbor, Carborundum Co.; GE, General Electric Co.; HA, Huntington Alloy Products; N, Norton Co.; OGC, Oregon Graduate Center; RA, Rolled Alloys Corp.; Stellite, Stellite Div., Cabot Corp...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2