Results 21 to 30 of about 331,986 (354)

Üç Farklı Tek Renkli Rezin Kompozitlerin Mekanik Özelliklerinin Değerlendirilmesi

open access: yesSelcuk Dental Journal, 2023
Amaç: Bu çalışmanın amacı, üç farklı tek renkli rezin kompozitin yüzey sertliği, yüzey pürüzlülüğü, su emilimi ve suda çözünürlük özelliklerini karşılaştırmaktır.
Nazmiye Dönmez   +2 more
doaj   +1 more source

The effects of material combination and surface roughness in lubricated silicon nitride/steel rolling contact fatigue [PDF]

open access: yes, 2003
Four kinds of commercially finished 12.7 min HIPed silicon nitride bearing balls with surface roughness values R-a ranging from 0.002 to 0.016 mum were tested using a four-ball rolling configuration.
Ahmed, R, Hadfield, M, Kang, J
core   +1 more source

PENGARUH POST-TREATMENT PLASMA CVD LAPISAN DIAMOND-LIKE CARBON TERHADAP SIFAT KEKERASAN PERMUKAAN BAJA AISI 410

open access: yesRotor: Jurnal Ilmiah Teknik Mesin, 2017
This study is aimed to determine the effect of post-treatment plasma CVD on diamond-like carbon films of surface hardness AISI 410 steel. Enhancement of surface hardness on AISI 410 can be done with deposition thin layer by plasma CVD, and continued by ...
Wahyu Anhar   +2 more
doaj   +1 more source

Fuzzy Control Modeling to Optimize the Hardness and Geometry of Laser Cladded Fe-Based MG Single Track on Stainless Steel Substrate Prepared at Different Surface Roughness

open access: yesMicromachines, 2022
Metallic glass (MG) is a promising coating material developed to enhance the surface hardness of metallic substrates, with laser cladding having become popular to develop such coatings.
Maha M. A. Lashin   +5 more
doaj   +1 more source

Hardness of Demineralized Enamel with the Application of Toothpaste Containing Green Tea Extract [PDF]

open access: yes, 2015
The aim of this study was to analyze the influence of toothpastes with or without green tea extract on the enamel hardness. Human teeth were used as specimens and surface enamel demineralization by soaking in 1% citric acid.
Indrani, D. J. (Decky)   +2 more
core   +2 more sources

Individuals with and without Visual Impairments Use a Force Feedback Device to Identify the Friction and Hardness of Haptic Surfaces

open access: yesSensors, 2022
The general purpose of this study is to promote access to haptic virtual environments. Using a haptic device, people with and without visual impairments (VI) are able to feel different textures and compare these textures based on different surface ...
Konstantinos Papadopoulos   +3 more
doaj   +1 more source

Enhanced thermal stability and fracture toughness of TiAlN coatings by Cr, Nb and V-alloying [PDF]

open access: yes, 2018
The effect of metal alloying on mechanical properties including hardness and fracture toughness were investigated in three alloys, Ti~0.33Al0.50(Me)~0.17N (Me¿=¿Cr, Nb and V), and compared to Ti0.50Al0.50N, in the as-deposited state and after annealing ...
Andersson, J. M.   +7 more
core   +2 more sources

Regression analysis of the influence of auger surface hardness on its wear during dehydration of solid waste in a garbage truck

open access: yesПроблеми трибології, 2021
The article is dedicated to the study of the influence of the surface hardness of the auger on its wear during dehydration of solid waste in the garbage truck.
O.V. Bereziuk   +2 more
doaj   +1 more source

Synthesizing Ti–Ni Alloy Composite Coating on Ti–6Al–4V Surface from Laser Surface Modification

open access: yesMetals, 2023
In this work, a Ni-alloy Deloro-22 was laser-deposited on a Ti–6Al–4V bar substrate with multiple sets of laser processing parameters. The purpose was to apply laser surface modification to synthesize different combinations of ductile TiNi and hard Ti2Ni
Yitao Chen   +2 more
doaj   +1 more source

Incorporation of 3 μm SiCp into Titanium surfaces using a 2.8 kW laser beam of 186 and 373 MJ m-2 energy densities in a nitrogen environment [PDF]

open access: yes, 2007
The formation of composite layers using a 2.8 kW laser beam of 186 and 373 MJ m−2 energy densities, on commercial purity titanium surfaces preplaced with 3 μm size, 1-4 vol.% SiCp powder in a 100% nitrogen environment, produced gold colour tracks.
Baker, T.N., Mridha, S.
core   +1 more source

Home - About - Disclaimer - Privacy