Results 101 to 110 of about 1,418,339 (359)
Observation of quantum criticality of a four-dimensional phase transition
Nature CommunicationsUnderstanding how a system’s behavior extrapolates beyond 3D is a fundamental question in physics, spanning topics from unification theories to critical phenomena.
Farid Madani +5 more
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Advanced Engineering Materials, EarlyView.The study presents an efficient simulation approach for the polymer laser powder bed fusion process polymers process, validated with polyamide 12, polyamide 6, and polyetherketoneketone. It shows that inter layer time affects part density, with 90s yielding dense parts.
Claas Bierwisch +4 more
wiley +1 more source
Single-shot observation of optical rogue waves in integrable turbulence using time microscopy
Nature Communications, 2016 A rogue wave is an unexpected oscillation of large amplitude and is an example of the spontaneous formation of a coherent structure out of disorder. Here, the authors develop an experimental strategy that can provide snapshots in time and thus record the
Pierre Suret +6 more
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Modeling of
IEEE Photonics Journal, 2013 A numerical study of As2S3 Raman fiber lasers is carried out to show their potential for the entire coverage of the 3-4-μm spectral band. Experimental results are first obtained from such a laser operated under controlled conditions in order to ...
Vincent Fortin +4 more
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On the potential role of the high power diode laser in modern dentistry [PDF]
, 2002 It is being increasingly realised by many that there is much to be said for the more extensive deployment of lasers to perform a wide variety of tasks. Within the fields of science, engineering and medicine, lasers have, and still are replacing existing ...
Lawrence, Jonathan
core
Advanced Engineering Materials, EarlyView.Additive manufacturing of magnesium alloys by laser is difficult because the melting point of the oxide layer is much higher than the evaporation temperature of the metal underneath. Making the oxide layer thinner can solve this problem. Alloying magnesium with strontium makes the oxide layer thinner, especially at 0.5 wt%.
Elmar Jonas Breitbach +8 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Temporal power modulation increases weld depth in high‐power laser beam welding of dissimilar round bars by nearly 20% compared to same average continuously welded welding power. The mechanism of action also applies to sheet welding and depends on the inertia of keyhole depth for the modulated laser beam power.
Jan Grajczak +7 more
wiley +1 more source
GaAs-GaAIAs injection lasers on semi-insulating substrates using laterally diffused junctions [PDF]
, 1978 Low‐threshold GaAs‐GaAlAs lasers operating in a stable single mode have been fabricated using laterally diffused junctions.
Lee, C. P. +3 more
core
Die Indikatoren der Acidimetrie und Alkalimetrie, von Dr. F
, 1901 F. W. Küster
openalex +1 more source
From Damage to Functionality: Remanufacturing of Thrust Roller Bearings by Tailored Forming
Advanced Engineering Materials, EarlyView.Herein, the wear and fatigue behavior of repaired bearing raceways with a new powder alloy is investigated using a FE8 test‐rig and an oscillating tribometer. The tests are compared with industrial manufactured bearings to evaluate the repair quality. The repair can extend the service life of the repaired bearing to that of a new bearing and improves ...
Felix Saure +3 more
wiley +1 more source