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hydrostatic hot extrusion

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980059
EISBN: 978-1-62708-342-3
... Fig. 3.1 (a) Direct extrusion processes. (b) Indirect extrusion processes. (c) Hydrostatic extrusion processes. (d) Special extrusion processes Fig. 3.2 Process sequence of direct hot extrusion without lubrication and without a shell, with loose dummy block. a, platen; b, die holder...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980001
EISBN: 978-1-62708-342-3
...Abstract Abstract This chapter provides an overview of the basic principles and historic development of metal extrusion processes. It starts by illustrating the two major process categories: direct extrusion and indirect extrusion. It then briefly defines hydrostatic extrusion and the conform...
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...
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...
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 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
...Abstract Abstract Compared with other deformation processes used to produce semifinished products, the hot-working extrusion process has the advantage of applying pure compressive forces in all three force directions, enhancing workability. The available variations in the extrusion process...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480207
EISBN: 978-1-62708-318-8
.... Cold extrusion of titanium including hydrostatic extrusion has been performed, but it is not a commercial process. Hot extrusion is used to produce long sections. Shapes can also be made by rolling, but the process is practical only if sufficient quantities are produced to justify the high cost...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
..., bulky items. Blow molding is a variant where the heated powder-binder feedstock is blown into a die cavity using gas pressure. It is akin to blowing a bubble, where the hot feedstock expands to touch the mold walls, where the shape is frozen. Extrusion binders are based on cellulose-water, paraffin...
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 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 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030338
EISBN: 978-1-62708-282-2
... Differential Cell Corrosion Microbiologically Influenced Corrosion Stray Current Corrosion Stress-Corrosion Cracking Prevention and Mitigation of Corrosion and SCC Detection of Corrosion and SCC Assessment and Repair of Corrosion and SCC Stages of SCC Conditions for SCC Hydrostatic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740373
EISBN: 978-1-62708-308-9
... nearly full density. The problem of powder flow is solved by compounding the fine powder with the organic binder into a coarser-grained, flowable powder. Powders containing particles exceeding 177 μm (7 mils) are sometimes used in powder forging, hot isostatic pressing, and powder extrusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... B.D. , Meyer G.E. , Uy J.C. , Fiorentino R.F. , and Sabroff A.M. , 1970 . “ Prototype Production Process for the Fabrication of Wire and Tubing by Hydrostatic Extrusion Drawing ,” Report AFML TR-70-82, Battelle Memorial Institute , Columbus, OH Sawyer C.B. , Beaver...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
..., Nuclear Metals Inc. , West Concord, MA Reeves G.L. , and Keeley R.L. , 1961 . “ The Pressureless Sintering of Beryllium Powder to Billets for Hot Extrusion ,” Paper 11, Institute of Metals Conference on the Metallurgy of Beryllium ( London ) Siergiej J.M. , 1965...
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 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290067
EISBN: 978-1-62708-319-5
... 10.1016/j.jmatprotec.2010.08.014 • Zheng J. , Reed J.S. , and Verma S.K. , Ceramic Extrusion with PEG , Ceram. Bull. , Vol 73 ( No. 12 ), 1994 , p 61 – 66 A binder is a mixture of ingredients, customized to the forming process. As noted in Chapter 3, “Binder Constituents...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230209
EISBN: 978-1-62708-298-3
... of chemical composition, impurities, and grain size and the use of hydrostatic testing. beryllium creep properties fatigue properties fracture toughness tensile properties THE EFFECT of the many variables of the material, in the processing and in testing (such as temperature, grain size...
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 December 2006
DOI: 10.31399/asm.tb.ex2.t69980417
EISBN: 978-1-62708-342-3
... Direct-extrusion aluminum alloys Interference-fit forces Friction/shear forces, container sealing forces 0.35 0.65 Source: Groos Characteristic material parameters of hot working tool steels and a nickel-base hot working material measured at room temperature (RT) and at 500 °C under static...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500157
EISBN: 978-1-62708-317-1
... Rosen H. , Schwarz S. , Birkert A. , and Schneider S. , Hydroforming for the Automobile Industry , Hydroforming of Tubes, Extrusions and Sheet Metals , Vol 2 , Siegert K. , Ed., IFU-Stuttgart , 2001 , p 135 – 157 8.2 Altan T. , Oh S. , and Gegel H.L...