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directed energy deposition

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230361
EISBN: 978-1-62708-298-3
... investigative effort, especially in more recent years, was and is still directed toward repairing the plasma-facing components in the International Thermonuclear Experimental Reactor and Tokamak Fusion Test Reactor. Such studies involved the use of several different physical vapor deposition methods. Another...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040020
EISBN: 978-1-62708-428-4
... is suitable for the deposition of oxygen- and temperature-sensitive materials and can produce thick coatings exhibiting wrought-like microstructures with near theoretical density. Cold spray is being used in the military and in aerospace and energy industry applications. The main research priorities...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
... directions there is destructive interference (i.e., the combining waves are out of phase and there is no net energy exiting the atom). However, the atoms in a crystal are arranged in a regular pattern that forms an ordered array. In such an ordered array of atoms, there are planes of high atomic density (i.e...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410551
EISBN: 978-1-62708-265-5
... layer or coating, deposited on a substrate by another technique, is subjected to a high-energy ion beam, as shown schematically in Fig. 22.5 ( Ref 22.14 ). Ions are deposited and transmitted through the coating and into the substrate, producing the same changes produced by direct ion implantation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460017
EISBN: 978-1-62708-285-3
... the critical velocity ( v crit ), particular thermomechanical conditions are reached, under which material can be deposited as a result of high-kinetic-energy impacts. It is shown later how this critical velocity depends on material strength, density, melting temperature, heat capacity, and impact temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110461
EISBN: 978-1-62708-247-1
..., the elastically (zero-loss) and inelastically (energy-loss) scattered electrons from the feature of interest in the sample are directed into a spectrometer attached to the bottom of the TEM column [5 , 40 - 42] . The spectrometer consists of a sector magnet and a detection system. The sector magnet deflects...
Book Chapter

By Eren Billur
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400181
EISBN: 978-1-62708-316-4
... the pump(s) and motor(s) to be selected for the highest power requirement ( Ref 12.1 , 12.8 ). Fig. 12.10 Direct-drive circuit for a hydraulic press. Source: Ref 12.21 Direct-driven hydraulic presses can be more energy efficient than accumulator-driven presses because the pump supplies...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110351
EISBN: 978-1-62708-247-1
... to be due to channeling of the Ga+ in certain orientations [34] ; the denser packed (111) crystal plane results in the energy deposition near the surface and thus increased sputtering over the more open planes. This is of particular concern when milling through power planes or bus lines to expose...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030380
EISBN: 978-1-62708-282-2
.... Resin polymerized from acrylic acid, methacrylic acid, esters of these acids, or acrylonitrile. activation. The changing of a passive surface of a metal to a chemically active state. Contrast with passivation. active. The negative direction of electrode potential. Also used to describe corrosion and its...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110335
EISBN: 978-1-62708-247-1
... ( 2010 ): C6F15 – C6F21 . 10.1116/1.3511509 [8] Shorubalko Ivan , Pillatsch Lex , and Utke Ivo . “ Direct–Write Milling and Deposition with Noble Gases. ” In Helium Ion Microscopy , 355 – 393 . Springer , 2016 . 10.1007/978-3-319-41990-9_15 [9] Castaldo Vincenzo...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... Fracture energy, kJ/m 2 GPa 10 6 psi MPa ksi MPa ksi Graphite 10–15 1.46–2.17 40–60 5.8–8.7 110–200 16–29 0.01 Unidirectional C-C composite 120–150 17.4–21.7 600–700 87–101 500–800 72.5–116 1.4–2.0 Three-directional C-C composite 40–100 5.8–14.5 200–350 29–50.7 150...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.9781627084284
EISBN: 978-1-62708-428-4
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... occurred in the form of a crack in the transverse direction, and leakage was noticed from this crack during a hydro test. There were white residues and deposits at the superheater tube surface. The MOC of the tube was SA 213 Grade T11 steel, and the tube dimensions were 47.6 mm (1.87 in.) OD and 4.6 mm...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... commonly found in cooling water systems called iron-related bacteria ( Gallionella ferruginea and Ferrobacilus sp .). They cause corrosion of iron and steel by direct metabolism of iron, by consuming iron in their metabolic process and then depositing it in the form of hydrated ferric hydroxide. Likewise...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720139
EISBN: 978-1-62708-305-8
... film deposits X-ray fluorescence with energy dispersive detectors have a threshold sensitivity of ~0.02% and a precision for quantitative analysis of ~1% relative, or 0.02% absolute, depending on count time. The detection threshold and precision for wavelength dispersive detectors is a threshold...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930003
EISBN: 978-1-62708-359-1
... the centerline, resulting in a finer fusion zone grain structure. Such observations are typical in high energy beam welds or arc welds made at low welding speeds. For a tear drop shaped puddle, there is almost an invariant direction of maximum thermal gradient at all points on the pool edge from the fusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 January 2023
DOI: 10.31399/asm.tb.itfdtktmse.t56060001
EISBN: 978-1-62708-440-6
...-beam), which involves a beam from a high-energy electron gun. The beam strikes the target and boils a spot of material, allowing material to be removed and transported to the substrate. Chamber pressure is usually between 10 −2 and 10 −5 Torr, so materials with lower vapor pressure can be deposited...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040010
EISBN: 978-1-62708-428-4
... measured for years. In the detonation gun process, the extremely high velocities and consequent kinetic energy of the particles cause most of the coatings to be deposited with residual compressive stress, rather than the tensile stress typical of most thermal spray coatings. This is particularly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460173
EISBN: 978-1-62708-285-3
... produced by MA do not usually meet the morphology and flowability targets for spraying deposition processes. Powders produced by high-energy ball milling are usually angular in shape because of flattening during high-energy impacts between particles and mill balls. The cold gas spraying process requires...