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Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005620
EISBN: 978-1-62708-174-0
... Abstract This article describes two methods based on rolling of sheet. The first is roll welding, where two or more sheets or plates are stacked together and then passed through rolls until sufficient deformation has occurred to produce solid-state welds. The other is laser roll welding, which...
Abstract
This article describes two methods based on rolling of sheet. The first is roll welding, where two or more sheets or plates are stacked together and then passed through rolls until sufficient deformation has occurred to produce solid-state welds. The other is laser roll welding, which is a hybrid process based on a thin-melting interface for a lap joint of dissimilar-metal sheets using a roller and one-sided laser heating. The article discusses the types, advantages, and applications of roll welding and laser roll welding. It also provides a detailed discussion on the laser roll welding of dissimilar metals.
Book Chapter
Roll Welding
Available to PurchaseSeries: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001380
EISBN: 978-1-62708-173-3
... Abstract Roll welding (ROW) is a process in which two or more sheets or plates are stacked together and then passed through the rolls until sufficient deformation has occurred to produce solid-state welds. This article begins with a process description of two modes of roll welding, including...
Abstract
Roll welding (ROW) is a process in which two or more sheets or plates are stacked together and then passed through the rolls until sufficient deformation has occurred to produce solid-state welds. This article begins with a process description of two modes of roll welding, including pack rolling. It describes a patented roll welding process for fabrication of heat exchangers. The article presents a table showing the typical properties of common roll welded clad laminates. The relative weldability of selected dissimilar metals and alloys roll welded into clad-laminate form are also tabulated. The article concludes with information on cladding of metals by strip roll welding.
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Laser roll welding. (a) Schematic of laser roll welding process with alumin...
Available to PurchasePublished: 31 October 2011
Fig. 5 Laser roll welding. (a) Schematic of laser roll welding process with aluminum and steel sheet. (b) Using a 2 kW fiber laser
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Laser roll welding. (a) Schematic of laser roll welding process with alumin...
Available to PurchasePublished: 30 November 2018
Fig. 11 Laser roll welding. (a) Schematic of laser roll welding process with aluminum and steel sheet. (b) Using a 2 kW fiber laser
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Schematic illustration of the roll welding process producing clad metals or...
Available to PurchasePublished: 31 October 2011
Fig. 17 Schematic illustration of the roll welding process producing clad metals or bimetal strips of sheet. Source: Ref 5
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Pack used for roll welding. The top cover, which would be welded in place b...
Available to PurchasePublished: 31 October 2011
Fig. 1 Pack used for roll welding. The top cover, which would be welded in place before rolling, is not shown.
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Published: 31 October 2011
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Macrostructure samples from joints after laser roll welding of low-carbon s...
Available to PurchasePublished: 31 October 2011
Fig. 9 Macrostructure samples from joints after laser roll welding of low-carbon steel sheet (JIS-SPCC) with (a) A1050 aluminum and (b) aluminum-magnesium alloy A5052. Laser power, welding speed, and roll pressure were: (a) 1.5 kW, 1.5 m/min (4.9 ft/min), and 150 MPa (22 ksi) for A1050, and (b
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Tensile shear specimens from steel-titanium joint after laser roll welding....
Available to PurchasePublished: 31 October 2011
Fig. 14 Tensile shear specimens from steel-titanium joint after laser roll welding. (a) Failure at interface. (b) Failure in base metal of SPCC
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Image
Published: 30 November 2018
Image
Pack used for roll welding. The top cover, which would be welded in place b...
Available to PurchasePublished: 01 January 1993
Fig. 1 Pack used for roll welding. The top cover, which would be welded in place before rolling, is not shown.
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Image
Roll resistance spot welding of a Z-section longitudinal stiffener to a she...
Available to PurchasePublished: 30 November 2018
Fig. 11 Roll resistance spot welding of a Z-section longitudinal stiffener to a sheet using intermittent electrode motion, a welding force, and a forging force. Dimensions given in inches
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Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006514
EISBN: 978-1-62708-207-5
... Abstract The resistance welding processes commonly employed for joining aluminum are resistance spot welding, resistance seam welding, resistance roll welding, upset and flash welding for butt joining welding, and high-frequency resistance welding. This article discusses the general factors...
Abstract
The resistance welding processes commonly employed for joining aluminum are resistance spot welding, resistance seam welding, resistance roll welding, upset and flash welding for butt joining welding, and high-frequency resistance welding. This article discusses the general factors affecting resistance welding: electrical and thermal conductivities, rising temperature, plastic range, shrinkage, and surface oxide. It reviews the weldability of base materials such as Alclad alloys and aluminum metal-matrix composites. The article describes the joint design and welding procedures for resistance spot welding, as well as the joint type, equipment, and welding procedures for seam and roll spot welding. It concludes with information on flash welding, high-frequency welding, and cross-wire welding.
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006502
EISBN: 978-1-62708-207-5
..., absorptivity, traverse speed, laser welding efficiency, and plasma suppression and shielding gas. The article concludes with a discussion on laser cutting, laser roll welding, and hybrid laser welding. aluminum alloys laser beam welding porosity laser cutting laser roll welding hybrid laser welding...
Abstract
Most welding lasers fall into the category of fiber, disc, or direct diode, all of which can be delivered by fiber optic. This article provides a comparison of the energy consumptions and efficiencies of laser beam welding (LBW) with other major welding processes. It discusses the two modes of laser welding: conduction-mode welding and deep-penetration mode welding. The article reviews the factors of process selection and procedure development for laser welding. The factors include power density, interaction time, laser beam power, laser beam diameter, laser beam spatial distribution, absorptivity, traverse speed, laser welding efficiency, and plasma suppression and shielding gas. The article concludes with a discussion on laser cutting, laser roll welding, and hybrid laser welding.
Book Chapter
Beryllium and Aluminum-Beryllium Alloys
Available to PurchaseBook: Powder Metallurgy
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006058
EISBN: 978-1-62708-175-7
... and aluminum-beryllium alloys such as extrusion, rolling, welding, joining, and machining are discussed. The article discusses quality control and provides information on the structural, optical, and high-purity grades of beryllium. aluminum-beryllium alloys beryllium alloys beryllium powder cold...
Abstract
This article briefly describes the production of beryllium powder and beryllium/beryllium oxide metal-matrix powder. It discusses fully dense consolidation methods: vacuum hot pressing, hot isostatic pressing, and cold isostatic pressing. Secondary fabrication operations of beryllium and aluminum-beryllium alloys such as extrusion, rolling, welding, joining, and machining are discussed. The article discusses quality control and provides information on the structural, optical, and high-purity grades of beryllium.
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Schematic showing 70% reduction in cross section of a U.S. Mint quarter coi...
Available to PurchasePublished: 31 October 2011
Fig. 4 Schematic showing 70% reduction in cross section of a U.S. Mint quarter coin (composed of an inside layer of pure copper sandwiched between two thin layers of cupronickel material) as it undergoes an initial roll welding operation. A second rolling operation further reduces the material
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Schematic showing 70% reduction in cross section of a U.S. Mint quarter coi...
Available to PurchasePublished: 01 January 1993
Fig. 4 Schematic showing 70% reduction in cross section of a U.S. Mint quarter coin (composed of an inside layer of pure copper sandwiched between two thin layers of cupronickel material) as it undergoes an initial roll welding operation. A second rolling operation further reduces the material
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Cross section of an aluminum solar collector panel produced by the roll wel...
Available to PurchasePublished: 31 October 2011
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Cross section of an aluminum solar collector panel produced by the roll wel...
Available to PurchasePublished: 01 January 1993
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Low-carbon hot-rolled sheet, resistance spot weld (composition and weld par...
Available to PurchasePublished: 01 December 2004
Fig. 29 Low-carbon hot-rolled sheet, resistance spot weld (composition and weld parameters unknown). Macrostructure shows 60% penetration of the weld and columnar growth pattern in the fusion zone. Etchant: 85 mL H 2 O + 15 mL HNO 3 + 5 mL methanol. Magnification: 10×
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