1-20 of 220 Search Results for

laser projection interface

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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
..., 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 molding...
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
..., where scan vectors of a laser scan over the resin surface and “draw” the part cross section to form the layer Pattern projection, where patterned light is projected onto the resin surface so the entire part cross section is illuminated and causes the part layer to cure everywhere simultaneously...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005680
EISBN: 978-1-62708-198-6
.... These points protrude from the workpiece ( Fig. 6a ). Projections are typically pressed or machined into the material prior to welding. During application of current, the protruding projections collapse and the workpiece interface comes in contact while creating a metallurgical bond. Resistance butt welding...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006568
EISBN: 978-1-62708-290-7
...) processes, such as laser powder-bed fusion, electron beam melting, and binder jet three-dimensional (3-D) printing methods, are some of the most commonly used techniques, necessitating the accurate measurement of powder flowability properties. Flowability of powder systems affects the layer thickness...
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
... Abstract This article discusses the fundamentals and operating principles of the following acoustic microscopy methods: scanning laser acoustic microscopy, C-mode scanning acoustic microscopy, and scanning acoustic microscopy. It describes the applications of acoustic microscopy for detecting...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005630
EISBN: 978-1-62708-174-0
... internal damage. The challenge is to be able to launch a useful amount of laser energy into an optical fiber, because the air-to-glass interface has a significantly lower damage threshold than the bulk material ( Ref 3 ). Minute pits, scratches, and contamination on the fiber face (cross section) can act...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006901
EISBN: 978-1-62708-392-8
... ( Ref 5 ) ( Fig. 2 ). Fig. 2 Schematic representation of various printing protocols used in vat photopolymerization printers. (a) Direct light processing. (b) Laser beam stereolithography apparatus (SLA). (c) Liquid-crystal-display-masked SLA. Purple areas represent ultraviolet light projected...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006882
EISBN: 978-1-62708-392-8
... of the subsequent layer. This process continues until the targeted 3D construct is obtained. Vat polymerization can be divided into two main subcategories: Laser-based, which includes SLA and two-photon polymerization (2PP) Projection-based, which includes DLP, continuous liquid interface production...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.9781627082907
EISBN: 978-1-62708-290-7
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
... the root, which results in porosity ( Fig. 1c ); and reestablishment of the full depth of the keyhole ( Fig. 1d ). Also illustrated in the figure is the interface of the fusion zone at full penetration, shown as the dashed line. Fig. 1 Schematic of keyhole instability in laser beam welding. (a) Full...
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
... of discrete voxels ( Fig. 1 ). Basic Setup The laser beam is directed and focused onto the donor substrate, where it is absorbed at the interface between the transparent carrier, for example, a glass slide, and a laser-absorbing layer comprised of the material to be transferred or a sacrificial film...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005552
EISBN: 978-1-62708-174-0
...; and fusion welding with directed energy sources, such as laser welding, electron beam welding. The article reviews the different types of nonfusion welding processes, regardless of the particular energy source, which is usually mechanical but can be chemical, and related subprocesses of brazing and soldering...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005646
EISBN: 978-1-62708-174-0
... Abstract This article is a compilation of definitions for terms related to welding fundamentals and all welding processes. The processes include arc and resistance welding, friction stir welding, laser beam welding, explosive welding, and ultrasonic welding. arc welding explosive welding...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0009211
EISBN: 978-1-62708-194-8
.... The deposition methods use a powder bed system, a powder feed system, or a wire feed system. Powders are solidified by melting with either a high-energy electron or laser beam. The advantage of AM systems is that parts can be made in small quantities relatively quickly compared to machining. It is also possible...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003207
EISBN: 978-1-62708-199-3
..., projection welding, and laser welding, are: Gas-tight or liquid-tight joints can be produced (not possible with spot welding or projection welding). Seam width may be less than the diameter of spot welds, because the electrode contour can be continuously dressed and is therefore of a stable shape...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
... to the laser wavelength, then any residual energy will be absorbed at the opaque resin-fiber interface. In the case where the light is primarily absorbed below the resin layer at the fiber interface, this produces what is termed as a buried source. As a simplification of this general mechanism, buried sources...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
.... If the resin is thin or particularly transparent to the laser wavelength, then any residual energy will be absorbed at the opaque resin-fiber interface. In the case where the light is primarily absorbed below the resin layer at the fiber interface this produces what is termed as a buried source...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.9781627081900
EISBN: 978-1-62708-190-0
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001421
EISBN: 978-1-62708-173-3
.... This article provides a detailed discussion on weldability and the effect of viscosity, chemical reactions, and solidification on weldability. It discusses different welding processes, namely, gas-tungsten arc welding, gas-metal arc welding, laser-beam welding, electron-beam welding, resistance welding...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005631
EISBN: 978-1-62708-174-0
... and defining the weld procedures and qualification requirements within a facility or for a specific program/project, it is important to reference and define those terms employed. Additional information can be found in Ref 39 to 42 . Weld Quality Assessment The profile for the laser weld seam...