Results 11 to 20 of about 1,862,685 (344)

Vickers Micro-Hardness of New Restorative CAD/CAM Dental Materials: Evaluation and Comparison after Exposure to Acidic Drink. [PDF]

open access: yesMaterials (Basel), 2019
CAD/CAM (computer-aided design/computer-aided manufacturing) for indirect restorative materials has been recently introduced in dentistry. The purpose of this study was to evaluate the change of the surface micro-hardness of different restorative CAD/CAM
Colombo M   +4 more
europepmc   +2 more sources

Investigation into Micro-Hardness and Wear Resistance of 316L/SiC Composite Coating in Laser Cladding

open access: yesApplied Sciences, 2020
In order to improve the performance of the cladding layer, this study used the Taguchi orthogonal design to investigate the influence of laser power, scanning speed, gas flow, and SiC powder ratio on the micro-hardness and wear volume of the cladding ...
Guofu Lian   +4 more
doaj   +2 more sources

Micro-hardness variation of micro-phases during spheroidisation of AISI4340 steel [PDF]

open access: yesCogent Engineering, 2021
AISI4340 steel is the medium carbon low-alloy steel has got excellent prominence as a construction material. This steel is spheroidised on heating to the intercritical temperature range by different time intervals with the objective of increasing the ...
Harisha S R   +4 more
doaj   +2 more sources

Parametric behaviour optimisation of macro and micro hardness for heat treated Al 6061-red mud composite

open access: yesJournal of Materials Research and Technology, 2019
Composite with aluminium 6061 matrix using red mud reinforcement to reduce the cost have been fabricated by stir casting method. A stirring arrangement has been used to ensure the uniform distribution. Scanning electron microscopy has been used to verify
Narender Panwar, Amit Chauhan
doaj   +2 more sources

Computational and Experimental Investigation of Micro-Hardness and Wear Resistance of Ni-Based Alloy and TiC Composite Coating Obtained by Laser Cladding. [PDF]

open access: yesMaterials (Basel), 2019
The influence of processing parameters on the micro-hardness and wear resistance of a Ni-based alloy and titanium carbide (TiC) composite cladding layer was studied.
Lian G   +5 more
europepmc   +2 more sources

A Comparative ex-vivo Study of Effects of Different Irrigation Protocols with/without Laser Activation on the Root Dentine's Micro-Hardness. [PDF]

open access: yesEur Endod J, 2019
Objective: To compare the effects of different irrigation protocols, with/without laser activation, on the radicular dentine’s micro-hardness. Methods: Eighty-two human extracted premolars were decoronated and divided into 7 groups.
Quteifani M   +3 more
europepmc   +2 more sources

Influence of Thymoquinone Exposure on the Micro-Hardness of Dental Enamel: An In Vitro Study. [PDF]

open access: yesEur J Dent, 2019
Objective The aim of this study was to assess changes in micro-hardness level of enamel after it was exposed to thymoquinone (TQ). Materials and Methods Sixteen enamel blocks were prepared and divided into two groups (each group received eight blocks, n =
Farooq I   +5 more
europepmc   +2 more sources

Effect of Surface Micro-Hardness Change in Multistep Machining on Friction and Wear Characteristics of Titanium Alloy

open access: yesApplied Sciences, 2021
The machined surface quality, especially the micro-hardness of machined surface layers, is strongly correlated to the friction and wear characteristics of titanium alloy engineering parts.
Guanming Hou, Anhai Li
semanticscholar   +1 more source

Abrasive wear behaviour of 27MnB5 steel used in agricultural tines [PDF]

open access: yes, 2020
Understanding the wear mechanisms in wear parts is a crucial element of tribological investigation, particularly in agricultural applications where the knowledge about abrasive micro-mechanisms of soil engaging tools are limited. In the current research,
De Baets, Patrick   +5 more
core   +2 more sources

The Process Parameters of Micro Particle Bombarding (MPB) for Surface Integrity Enhancement of Cermet Material and Tool Steel

open access: yesMicromachines, 2023
In order to increase the performance of tool or mold/die, there are a lot of micro features on the surface to provide special functions, such as anti-adhesion or lubrication.
Fu-Chuan Hsu   +7 more
doaj   +1 more source

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