Results 21 to 30 of about 545,503 (269)

Features of Spot-Matrix Surface Hardening of Low-Carbon Steel Using Pulsed Laser [PDF]

open access: yesEngineering and Technology Journal, 2007
In this work, results of spot hardening in low-carbon steel by using a pulsedNd:YAG laser are presented. These results include determination ofhardening depth, diameter of hardened spot, aspect ratio and heat-affectedzone width with varying laser energy ...
Khawla Khashan
doaj   +1 more source

Laser-treatment-induced surface integrity modifications of stainless steel

open access: yesMaterials Research Express, 2023
Scanning of a high-power laser beam on the surface of martensitic stainless steel (SS420) has been studied, addressing the effect of scanning rate V on integrity modifications in the near-surface regions.
Na Gong   +8 more
doaj   +1 more source

Massive pulmonary hemorrhage and severe retinopathy of prematurity in very low birth weight infants

open access: yesThe Turkish Journal of Pediatrics, 2017
To examine several clinical factors for association with the development of greater than stage 2 of severe retinopathy of prematurity (ROP) and those who required laser treatment in very low birth weight infants (VLBWI).
Na Young Lee   +4 more
doaj   +1 more source

Synthesis of Ni-Ti Coatings on Different Metallic Substrates by Mechanical Alloying and Subsequent Laser Treatment

open access: yesMetals, 2018
In this work, we proposed a novel mechanical alloying method to deposit Nix-Tixintermetallic coating on various metallic substrates using laser treatment. Three different substrates (Al-based alloy, Ti-based alloy, and hypoeutectoid steel) were used, and
Vladislav Yu Zadorozhnyy   +7 more
doaj   +1 more source

Combined operations in outpatient laser treatment of chronic hemorrhoids of stage 2–3

open access: yesАмбулаторная хирургия, 2023
Introduction. When performing laser coagulation of hemorrhoids, there is a demand for the elimination of simultaneous diseases, but their laser treatment is under study and implementation in the practice of coloproctologists.Aim. To study the features of
I. A. Matveev   +4 more
doaj   +1 more source

Treatment of palpebral melanocytic nevi with a dual-wavelengths copper vapor laser

open access: yesVestnik Dermatologii i Venerologii, 2020
Acquired melanocytic nevi in aesthetically significant areas, especially palpebral nevi (PN), are becoming a frequent reason for patients to seek dermatologists.
I. V. Ponomarev   +3 more
doaj   +1 more source

Tribological properties of textured diamond-like carbon coatings

open access: yesTechnical Transactions, 2023
This paper presents selected mechanical and tribological properties of DLC coatings (diamond-like carbon coatings) and the results of an applied texture to improve these properties under specific circumstances. It presents the results of the selection of
Kalinowski Artur
doaj   +1 more source

Influence of Annealing, Normalizing Hardening Followed By Tempering And Laser Treatments on Some of The Static and Dynamic Mechanical Properties of Medium Carbon Steel [PDF]

open access: yesEngineering and Technology Journal, 2010
This research illustrates the influence of different heat treatments on the mechanical properties such as stress-strain curves ,wear resistance and fatigue properties of medium carbon steel,.
Sanna A. hafeed, AbdulKhaliq F. Hamood
doaj   +1 more source

Thermal Effects on Surface and Subsurface Modifications in Laser-Combined Deep Rolling

open access: yesJournal of Manufacturing and Materials Processing, 2021
Knowledge of the relationships between thermomechanical process loads and the resulting modifications in the surface layer enables targeted adjustments of the required surface integrity independent of the manufacturing process.
Robert Zmich, Daniel Meyer
doaj   +1 more source

Micropulse Laser Therapy as an Integral Part of Eye Disease Management

open access: yesMedicina, 2023
Ocular diseases can significantly impact vision and quality of life through pathophysiological alterations to the structure of the eye. The management of these conditions often involves a combination of pharmaceutical interventions, surgical procedures ...
Flaviu Bodea   +9 more
doaj   +1 more source

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