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laser patterning

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006421
EISBN: 978-1-62708-192-4
..., and laser-based design approaches such as laser patterning and dimpling. Laser-surface modification of novel materials, such as high-entropy alloys and metallic glasses, is explored. The article provides an overview of hybrid techniques involving laser as a secondary tool, as well as a discussion...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003394
EISBN: 978-1-62708-195-5
... interface, the resin transfer molding interface, the fiber placement and tape-laying interface, and the laser projection interface. continuous fiber composite material fabric deformation core sample flat-pattern evaluation laminate surface offset structural analysis interface resin transfer...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006565
EISBN: 978-1-62708-290-7
.... , Chung H.K. , Wolk M.B. , Bellmann E. , and Baetzold J.P. , High Efficiency AMOLED Using Hybrid of Small Molecule and Polymer Materials Patterned by Laser Transfer , J. Inf. Disp. , Vol 4 , 2003 , p 1 10.1080/15980316.2003.9651920 6. Hirano T. , Matsuo K...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006365
EISBN: 978-1-62708-192-4
... focused UV lasers as well as picosecond and femtosecond lasers with pulsation capability has further extended the possibility for tribological surface topography modification ( Ref 45 ), including formation of nanoscale to microscale patterns on hard coatings. Experimental results published...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006556
EISBN: 978-1-62708-290-7
... (consumable) part used indirectly, as in the use of an AM-generated pattern in investment casting. These direct metal methods include laser melting, material extrusion, binder jetting, material jetting, and vat photopolymerization methods. All of these methods require metal powder: The jewelry industry...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003200
EISBN: 978-1-62708-199-3
...Abstract Abstract This article discusses the fundamentals and applications of localized heat treating methods: induction hardening and tempering, laser surface transformation hardening, and electron-beam heat treatment. The article provides information about equipment and describes...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004024
EISBN: 978-1-62708-185-6
..., elastomer, and metal, into a solid object. Parts are built upon a moveable platform for a surface in a bin of the heat fusible powder ( Fig. 1 ). A roller levels powder on the surface, and then selective sintering of the powder is done by a laser beam that traces the pattern of the first layer...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006546
EISBN: 978-1-62708-290-7
... Surface Consolidation of Adjacent Particles in the Fusion Process Fusion and Molecular-Level Behavior within Particles Droplet Generation Droplet Impact Laser-Scanning VPP Pattern-Projection VPP High-fidelity, continuum modeling of VPP processes takes the form of a finite-element...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002449
EISBN: 978-1-62708-194-8
... equations that represent build times for each of the three classes. area sequential volume addition computer-aided design models extrusion deposition fused deposition modeling numerical control machining periphery cutting rapid prototyping selective cure layered process selective laser...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005579
EISBN: 978-1-62708-174-0
... transport on arc plasma and weld pool are discussed. The article reviews the strategies for controlling poor and variable penetration and describes the formation of keyhole and fluid flow in electron beam and laser welds. It also explains the fluid flow in gas metal arc welding and submerged arc welding...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006567
EISBN: 978-1-62708-290-7
.... Smaller particles, by contrast, have larger diffraction angles, generating more diffuse diffraction patterns. As the laser interacts with the sample volume, a series of diffraction patterns are cast onto the detectors as the laser interacts with the powder particles. The intensity and radial position...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006490
EISBN: 978-1-62708-207-5
... with traditional laser beam welding (LBW) for comparison One aspect of the LSW process that must be considered when using circular or elliptical beam-manipulation patterns is the relative velocity of the laser beam with respect to the workpiece. Figure 8 shows the relative velocity ( V L ) of the laser...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003408
EISBN: 978-1-62708-195-5
... reduced the amount of raw material required and the amount of scrap material yielded ( Fig. 4 ). Overhead laser projectors can also improve material use by providing a preview of pieces to be cut. It is often helpful to view the cutting patterns while positioning material on the table, because, many...
Book Chapter

By Don Smith
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006553
EISBN: 978-1-62708-290-7
... of parts made from various resins Table 2 Utilization of parts made from various resins Material Utilization Accura25 (a) General-purpose models, snap-fit assemblies, and room-temperature vulcanized (RTV) master patterns. Durability and accuracy are reported as “better.” Accura...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001334
EISBN: 978-1-62708-173-3
.... Instabilities in the liquid film around the keyhole in electron beam and laser welds are responsible for the uneven penetration (spiking) characteristic of these types of welds. Mass Transport in the Arc High-velocity gas motion occurs in and around the arc during welding. The gas motion is partially due...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006466
EISBN: 978-1-62708-190-0
..., optically reflective surfaces, a mirrored plastic block, or coverslip, is placed in close proximity to the surface and is acoustically coupled with fluid. The laser is focused onto the bottom surface of the coverslip, which has an acoustic pattern that corresponds to the sample surface. By rapid sweeping...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006564
EISBN: 978-1-62708-290-7
... create distortion in the viewed pattern. Analysis of the distortion produces a height map of the surface. To investigate this technique, a customized projection and camera system was installed in a laser PBF research platform ( Ref 21 ). The projector produces fringe patterns with spacing as small...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002168
EISBN: 978-1-62708-188-7
... by punch press or fabricated by hand after laborious layout of the pattern. Currently, most metal cutting falls within 9.5 mm (0.375 in.) and thinner, although CO 2 lasers are now competitive with plasma arc cutting for metal thicknesses of 13 mm (0.500 in.) and greater. The principal factor in the use...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006555
EISBN: 978-1-62708-290-7
... at the 7th Altair CAE Technology Conference, Altair Engineering , 2011 3. Gardan N. and Schneider A. , Topological Optimization of Internal Patterns and Support in Additive Manufacturing , Journal of Manufacturing Systems , Vol 37 ( No. 1 ), Oct 2015 , p 417 – 425 10.1016/j.jmsy...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006460
EISBN: 978-1-62708-190-0
... emission but having the advantage of distributing the laser energy over a broader area, so ablation and surface damage can be avoided. A chirp array also has been used in combination with a matched pattern used for detection ( Ref 23 ), as well as a pattern obtained by using a computer-generated hologram...