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extrusion welding

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Published: 01 December 2006
Fig. 4.55 Extrusion weld in aluminum. (a) Different etchant attack. (b) Full recrystallization across the weld [ Ake 92 ] More
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Published: 01 March 2000
Fig. 4 Continuous-type extrusion using welding plate in front of the die (method 1) More
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Published: 01 March 2000
Fig. 18 Schematic of welding chamber (porthole) die hollow extrusion. (a) Cross section showing metal flow into port streams and around the mandrel. (b) Billet entrance face of the die set More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... are obtained. This transverse weld in soft solders has to be capable of withstanding the drawing loads during the reduction in diameter of the extruded wires on multispindle drawing machines. Semifinished products in tin materials including bar, wire, tubes, and sections are produced on direct extrusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260149
EISBN: 978-1-62708-336-2
..., and similar) have been used particularly for railway rolling stock bodies, load-bearing structures, and welded structures. These alloys respond well in solution heat treatment if the extrusion comes out of the press a little over 400 °C (752 °F), they have a low quench sensitivity, and they maintain good...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980141
EISBN: 978-1-62708-342-3
... the characteristics of pure metals and alloys at higher temperatures. The processes involved in extrusion are then covered. The chapter provides details on how the toughness and fracture characteristics of metals and alloys affect the extrusion process. The weld seams in hollow profiles, the production of composite...
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Published: 01 December 2006
Fig. 2.18 Coal silo wagon produced in welded self-supporting large extrusion technology to U.S. standard. Source: Alusuisse More
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Published: 01 March 2000
Fig. 27 Longitudinal weld streaking on anodized 6063 extrusion. Source: Ref 16 More
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Published: 01 March 2000
Fig. 32 Typical example of an improper weld joint in hollow shape extrusion. (a) Split at the fracture (magnification, 2×). (b) Full cross section showing two poor-quality welds (magnification, 3×). (c) Partially bonded joint (magnification, 12×) More
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Published: 01 March 2000
Fig. 33 Weld joint in round-tube extrusion More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
... reduction of 82%. Source: Ref 6.5 6.4 Coextrusion Welding Coextrusion welding is a solid-state process that produces a weld by heating two or more workpieces to the welding temperature and then forcing them through an extrusion die. The process typically is conducted at elevated temperatures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260087
EISBN: 978-1-62708-336-2
... dies and tooling are normally used for softer alloy extrusion: Solid-shaped dies and tooling Feeder plate with diverging cavity in front of the flat-face die for solid-shaped extrusion Straight cavity (welding pocket) in front of the die opening Stepped cavity in front of the die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260245
EISBN: 978-1-62708-336-2
... Abstract This chapter provides a summary of ongoing efforts to improve quality and productivity in the aluminum extrusion industry. It assesses advancements in several areas including extrusion presses and auxiliary equipment, tool and die technology, billet casting, extrusion thermodynamics...
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Published: 01 December 2006
Fig. 5.30 Extrusion of aluminum “billet on billet.” (a) Extrusion of a billet on the discard R in the container. (b) With feeder die. (c) In the ports of a porthole die. (d) Pulling off the discard in a bridge die to avoid transverse welds [ Ake 92 ] More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980417
EISBN: 978-1-62708-342-3
... the section as well as defect-free extrusion welds in the extruded section with hollow sections and tubes Enable high throughputs with simultaneous optimal quality of the produced extrusion for dimensional stability, shape accuracy, and surface quality Have low maintenance costs Offer a favorable...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... Abstract This chapter describes the processes involved in the fabrication of wrought and cast metal products. It discusses deformation processes including bending and forming, material removal processes such as milling, cutting, and grinding, and joining methods including welding, soldering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260001
EISBN: 978-1-62708-336-2
.... 2 Variation of load or pressure with ram travel for both direct and indirect extrusion process Billet-on-Billet Extrusion Billet-on-billet extrusion is a special method for aluminum alloys that are easily welded together at the extrusion temperature and pressure. Using this process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980009
EISBN: 978-1-62708-342-3
... the shape-forming aperture of the extrusion die enables cross-sectional shapes to be produced that cannot be manufactured by any other hot-working process. The favorable deformation conditions with nonferrous metals such as tin and lead alloys as well as magnesium and aluminum alloys with good welding...
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Published: 01 December 2006
Fig. 2.10 Large section in the aluminum alloy AlMgSi0.7 for aluminum carriages for the San Francisco Metro using large section welded technology on the runout table of the 98,000 kN direct extrusion press at Alusuisse Singen. Source: Alusuisse More
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
.... extrusion forging rolling wrought titanium TITANIUM AND TITANIUM ALLOYS are fabricated using many methods to produce mill products, including billet, bar, rod, wire, plate, sheet, strip, extrusions, pipe, and tubing ( Ref 9.1 – 9.13 ). Most integrated titanium mills have primary working equipment...