Results 11 to 20 of about 55,060 (259)

The effect of different insertion techniques on the depth of cure and vickers surface micro-hardness of two bulk-fill resin composite materials [PDF]

open access: yes, 2017
The aim of this study was to evaluate the Vickers surface micro-hardness and the depth of cure of two bulk-fill resin composites and one incremental-fill resin composite.
Abou Elenein, Karim   +2 more
core   +2 more sources

Result analysis of EURAMET Vickers comparison between INRiM and UME (EURAMET.M.H-K1.b.c)

open access: yesMeasurement: Sensors, 2021
A bilateral key comparison between INRiM (National Metrology Institute of Italy) and TUBITAK UME (National Metrology Institute of Turkey) had been decided to be organized in the field of Hardness Metrology to determine the consistency of the national ...
C. Kuzu, A. Germak, C. Origlia, E. Pelit
doaj   +1 more source

Influence of different polishing materials in the material removal of steel samples [PDF]

open access: yes, 2018
The quality of injection moulded polymer optic parts depends on the surface finish of the respective mould. In order to improve and control the surface finish of the mould it is important to be able to keep the material removal constant during the ...
Almeida, Rui   +3 more
core   +2 more sources

Improvement design of existing threshing machine at Kilang Sawit Risda, Ulu Keratong [PDF]

open access: yes, 2020
Palm oil is very important in the agricultural and economic sectors in Malaysia. It’s origin is in the tropical rain forest region of West Africa, which the main belt runs through the southern latitudes of Cameron, Cote D’ ivoire, Ghana, Liberia, Nigeria,
Chen, Chit Wee   +8 more
core   +2 more sources

Depth-sensing indentation tests in studying plastic instabilities [PDF]

open access: yes, 2004
This review surveys the phenomenon of plastic instabilities occurring in depth-sensing indentation measurements. Investigations presented focus on the characterization of Portevin-Le Chatelier type instabilities observed in different metal alloys during ...
Bobji   +14 more
core   +1 more source

A compilation of experimental data on the mechanical properties and microstructural features of Ti-alloys

open access: yesScientific Data, 2022
Measurement(s) elastic modulus • mechanical strength (yield) • deformation at rupture • Vickers hardness • oxygen content • grain size • mechanical strength (ultimate) Technology Type(s) longitudinal and transversal pulse-echo ultrasound, nanoidentation,
Camilo A. F. Salvador   +4 more
doaj   +1 more source

Bone Material Properties of Human Phalanges Using Vickers Indentation

open access: yesOrthopaedic Surgery, 2019
Objective To investigate the microhardness distribution throughout the human hand phalanges using the Vickers method, which can be used to directly evaluate the bone mechanical properties at tissue level and provide an alternative means to investigate ...
Bing Yin   +5 more
doaj   +1 more source

Pressure effect on some physical properties of calcium oxide material

open access: yesChemical Physics Impact, 2023
The present investigation aims to study the high-pressure dependence up to 65.2GPa of the bulk modulus, Vickers hardness, mass density, Grüneisen parameter, Debye temperature, and average acoustic velocity for calcium oxide (CaO) binary compound.
N. Bioud, N. Benchiheub
doaj   +1 more source

Effects of Sodium Hypochlorite Irrigation on Dentine Hardness

open access: yesJournal of the Dow University of Health Sciences, 2010
Introduction: An endodontic treatment consists of removing all contents of the root canal system during the shaping phase.Irrigation is presently the best method for the removal of tissue remnants and dentine debris during instrumentation ...
Shahbaz Ahmed   +2 more
doaj   +4 more sources

Carbon-Deficient Titanium Carbide With Highly Enhanced Hardness

open access: yesFrontiers in Physics, 2020
We report the synthesis of a polycrystalline specimen of TiC1−x under high-pressure and high-temperature (HPHT) conditions. The carbon vacancy, crystal structure, Vicker hardness, elastic constants, and bond features of the synthesized specimen were ...
Hui Li   +3 more
doaj   +1 more source

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