1-20 of 125 Search Results for

laser-beam power

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 Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003200
EISBN: 978-1-62708-199-3
... frequency, power, duration of heating, and coil design for induction hardening. The article also discusses the scope, application, methods, and operation of flame hardening. electron-beam heat treating flame hardening induction hardening induction tempering laser surface hardening...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
... higher than is possible with any other known continuous beam, including laser beams. The high power density plus the extremely small intrinsic penetration of electrons in a solid workpiece result in almost instantaneous local melting and vaporization of the workpiece material. That characteristic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003194
EISBN: 978-1-62708-199-3
... important application for lasers, is not covered in this process summary chart. High velocity electrons focus on workpiece and vaporize material. Equipment Power supply, excitation source (the “pump”), lasing material, focusing lens, work handling fixtures, CNC control Electron beam cutter with...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006471
EISBN: 978-1-62708-190-0
... (homodyne or heterodyne or Fabry-Pérot) and optical beam deflection or gas-coupled laser acoustic detection (GCLAD) or knife edge detection ( Ref 20 ). Laser ultrasound instrumentation has been ruggedized, and point displacement detectors now are commercially available and seeing more use particularly for...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001233
EISBN: 978-1-62708-170-2
... electrochemical machining (ECM), electrodischarge machining (EDM), and laser beam machining. These processes belong to nonabrasive finishing methods where surface generation occurs with an insignificant amount of mechanical interaction between the processing tool and the workpiece surfaces. This article provides...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
..., plasma arc cutting, oxygen arc cutting, laser beam cutting, and air carbon arc cutting and gouging, describing their process capabilities, equipment used, operating principles and parameters, and factors affecting their efficiency. air carbon arc cutting air carbon arc cutting and gouging bars...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005771
EISBN: 978-1-62708-165-8
... vacuum chamber, and an arc lamp can deliver greater power to the part surface than can a laser beam. However, with the arc lamp method, significant power loss is encountered if arc radiation is concentrated onto surface areas smaller than the arc itself. Therefore, the illuminated spot on the sample...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001311
EISBN: 978-1-62708-170-2
... well as sprayed and sol-gel coatings and laser and electron-beam treatments. anodizing buffing chemical conversion coatings chemical vapor deposition cleaning diffusion treatment electron beam treatment finishing grease removal ion implantation laser treatment oxidation resistance...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003116
EISBN: 978-1-62708-199-3
.... Other very commonly used processes for stainless steels are gas-tungsten arc welding (GTAW), gas-metal arc welding (GMAW), submerged arc welding (SAW), flux-cored arc welding (FCAW), and several forms of resistance welding. The plasma arc welding (PAW), laser-beam welding (LBW), and electron-beam...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
... Abstract Ceramic materials serve important insulative, capacitive, conductive, resistive, sensor, electrooptic, and magnetic functions in a wide variety of electrical and electronic circuitry. This article focuses on various applications of advanced ceramics in both electric power and...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003821
EISBN: 978-1-62708-183-2
..., and corrosion by molten salts. Applications where the corrosion properties of nickel alloys are important factors in materials selection include the petroleum, chemical, and electrical power industries. Most nickel alloys are much more resistant than the stainless steels to reducing acids, such as...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005808
EISBN: 978-1-62708-165-8
... ( q ˙ ) = f ( P ,  A , β, η)] of the laser power ( P ), laser beam spot area ( A ), laser efficiency (β), and absorption coefficient (η) of the laser beam with the material. The interaction time: [ t i = d v ] is defined as the ratio between laser beam diameter...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003042
EISBN: 978-1-62708-200-6
... enough light is concentrated on the workpiece, the resulting temperature increase causes melting, vaporization, and decomposition. Lasers are useful light sources for cutting for two reasons: They produce large amounts of power in the form of light and they produce this light in parallel beams that can...
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
... a key factor that provides fairly broad independence regarding part shape and orientation of the part surface relative to the laser beam. The fact that ultrasound is emitted by the part itself, however, has the drawback that too high laser power or energy could cause undesirable damage. Also...
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
... components. However, high heat inputs are required to melt the workpiece material. Hence, for small-scale applications it is essential to provide enough power to melt the material without excessive heating. Pulsed Nd:YAG lasers produce intermittent laser beams (1 Hz to 1 kHz) that have sufficient power to...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001294
EISBN: 978-1-62708-170-2
... short-pulse, high-peak power laser to “flash evaporate” a multicomponent target and transfer the composition of that target to a nearby substrate. PLD did not achieve widespread popularity at the time of its discovery, partly because the lasers required were not commercially available and the duty...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005817
EISBN: 978-1-62708-165-8
... thermodynamically nor kinetically from the transformations occurring under conventional conditions. Electron beam hardening belongs, as does laser beam hardening (LBH), to the process group known as short-cycle heat treatments. When compared to all other conventional volume and surface-layer heat treatment...
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: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006677
EISBN: 978-1-62708-213-6
.... Adapted from Ref 16 . Reprinted with permission from Cambridge University Press The most recently introduced ion source technology relies on lasers to produce high-brightness ion beams from the ionization of “cold atoms.” This technology, shown schematically in Fig. 12 , takes advantage of the...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003240
EISBN: 978-1-62708-199-3
...) between the piezoelectrically detected object-beam signal and the simulated reference-beam signal occurs in the electronic domain. A pulser circuit—consisting of a continuous-wave oscillator and a pulse gate that is triggered by an electronic clock—and a power amplifier feed a single focused ultrasonic...